302:, respectively. The difference between no aces and four is clear to the Blackwood bidder (unless the partnership lacks all four) so one member of the partnership knows the combined number of aces. That is often sufficient to set the final contract. (A common agreement is that when spades is not the trump suit, 5
511:
Some partnerships use the club response to show 1 or 4 and the diamond response to show 3 or none, dubbed "1430" (coincidentally the score for making a vulnerable small slam in a major suit), with the original version being dubbed "3014" when distinction is necessary. In order to facilitate the Queen
316:
A void may be as good as an ace in some situations but it should not be counted as an ace. Some experts (Kantar for one) recommend the 5NT reply to 4NT – the cheapest with no standard assigned meaning – to show a void plus two aces and six of a suit to show a void in the bid suit plus one
258:
invitation to six notrump, a small slam. Over an intervening four of a suit by opponents it is usually played as a competitive raise, expecting to play four notrump. Those natural interpretations may hold in other auctions where the partnership has previously bid notrump naturally or shown a balanced
503:
replies tell nothing about the queen or extra length, but the 4NT bidder may ask about that using the cheapest bid other than five of the trump suit. The code for replies to that "queen ask" vary; a common rule is that the cheapest bid in the trump suit denies the queen or extra length and any other
809:
One disadvantage to this convention is that either the partnership must agree to lose the natural 4 level bid in trumps or have clear agreement on which sequences are slam seeking and which are natural bids. The advantage of this approach is that it conserves bidding space. For example, the use of
833:
It is usually played as the Roman Key Card
Blackwood, with only four key cards: the three Aces outside the void suit and the King of trumps. However, the asking bid is not 4NT, but the void suit — Voidwood is made by jumping on level 4 or 5 in the void suit after a fit has been found, for example:
507:
Roman Key Card
Blackwood is predicated on existence of a trump suit, which determines which of the four kings and queens responder should show as key cards. Trump agreement is not necessary, however. One common rule is that the last suit bid before 4NT bid is the key suit, lacking trump agreement.
69:
magazine but it was rejected. Nevertheless, it gained awareness and use amongst players and was written about by several authors. In his own first publication on the convention in 1949, Easley
Blackwood comments on the entries in books by others and noted that "...in every one of these books, they
829:
as an attempt to resolve the situation when the
Blackwood-asker has a void. In that case, he is not interested in the partner's ace in the void suit, as he already has the first-round control; partner's ace would present a duplicated value in that case. Many players, even experts, refuse to play
609:
Kickback has the advantage that it saves bidding space and, especially for minor-suit fits, provides safety at the 5-level if the required key cards are missing. Because the
Kickback bid would otherwise be a control bid, 4NT is usually substituted as the control bid in that suit (e.g., 4NT is a
427:
variant (see above). According to RKCB there are five equivalent key cards rather than just the four aces: the trump king is counted as the fifth key card. The key card replies to 4NT are more compressed than standard ones and they also begin to locate the queen of trumps.
373:
In practice, the ambiguity is unlikely to occur, as a strength difference between hands with 0 or 1 and 3 or 4 aces is big enough that it can be established in previous rounds of bidding. In other words, a partner who has previously shown, for example, 12-15 range of
479:
Although the replies to 4NT are more compressed, it is almost always possible to infer which number of keycards is correct: 0 or 3, 1 or 4, 2 or 5. Evidence for that inference includes the entire auction as well as the number of key cards that the 4NT bidder holds.
780:
One advantage of this approach is that it avoids the potential for misunderstanding that can occur when using
Minorwood but one disadvantage is that it uses up one more bid (than Minorwood) and might constrain the bidding later when asking for Kings or Queens.
148:
when responder has a void and his ace-showing response is in a suit of lower rank than the trump suit, he first tells partner the number of aces he has. If partner signs-off at the five-level, responder may continue to slam if his holding justifies
54:
would be a feasible contract. The essence of the convention is the use of an artificial 4NT bid made under certain conditions to ask partner how many aces he has; responses by partner are made in step-wise fashion to indicate the number held.
760:"Redwood" is a variation of Kickback that is only used when a minor suit is trumps. A 4 level bid in the suit above the agreed trump suit is the ace / key card ask and the name comes from the fact that this bid will always be a red suit:
512:
Ask, an experts' version has been developed, where "1430" is used by the strong hand and "3014" is used by the weak hand. There are specific rules which determine when the asker hand is the weak one and when it is the strong one.
491:
replies with 2 or 5 key cards also deny and show the trump queen, respectively. (Responder may also show the queen with extra length in trumps, where the ace and king will probably draw all outstanding cards in the suit.)
610:
control bid in hearts if the agreed trump suit is diamonds). The drawback is that in unpracticed partnerships there can be confusion as to whether a bid is
Kickback, a control bid or preference for a different strain:
144:
when responder has a void in the suit in which he would convey, at the five-level, the number of aces he possesses, he may jump to six of the void suit to convey both the number of aces and the location of the
202:
A jump to 5NT without employing the 4NT ace-asking bid is the
Culbertson Grand Slam Force and obliges partner to bid the grand slam if he holds two of the three top trumps and a small slam if he does not.
313:
shows no kings or four, etc. Asking for the number of kings confirms that the partnership holds all four aces, so partner may reply at the seven level with expectation of taking thirteen tricks.
2322:
1262:
70:
have it wrong!" He pointed out several misconceptions and concluded with a fifteen-point summary of the "complete and official" Blackwood Slam
Convention. A synopsis of that summary follows:
520:
A half-way house between standard
Blackwood and RKCB is Keycard Blackwood. Again there are five key cards, including the trump king, but unlike RKCB, the queen of trumps is not considered.
792:"Minorwood" is a variation of Blackwood, in which the minor suit which the partners agree will be trumps is itself used as the ace/key card ask. The ask will be at the four level. Hence:
306:
asks responder to bid 5NT. That is useful when the reply to 4NT bypasses the intended trump suit but also shows that slam is likely to be a poor contract because two aces are missing.)
205:
If the opponents interfere after the 4NT ace-asking bid, a Pass by responder indicates no aces, the suit one above the opponent's indicates one ace, two above indicates two and so on.
220:
Several versions of Blackwood are available: Standard Blackwood, Roman Blackwood and Roman Key Card Blackwood (RKC or RKCB). All versions are initiated by a bid of four notrump (
274:
Where both sides are bidding, 4NT is often played as a conventional takeout asking partner to help choose one of two or three suits, similar to a lower-level takeout double or
504:
call shows it. An option is for the positive calls to show a feature, such as a king in that suit, and 6 of the trump suit can show the queen of trumps with no outside kings.
745:
as Kickback, but West thought it was secondary support for hearts, and decided to pass with minimum values. As result, a reasonable grand slam in diamonds was missed.
46:
in 1933 and still widely used in the modern game. Its purpose is to enable the partnership to explore its possession of aces, kings and in some variants, the queen of
1255:
540:
This is advocated by Bernard Magee as being simpler for club players, as with RKCB players are sometimes unsure whether partner holds 0 or 3 key cards, or 1 or 4.
286:
Where standard Blackwood 4NT is in force, a four notrump bid (4NT) asks partner to disclose the number of aces in his hand. With no aces or four, partner replies 5
135:
When clubs are expected to be trumps, one must have at least two aces to employ 4NT ace-asking and when diamonds are to be trump, one must have at least one ace.
561:. The step responses are the same as in RKCB, but the ask is not necessarily 4NT. Instead it is the 4-level bid immediately above the agreed trump suit; i.e.:
2448:
2847:
2443:
2343:
2883:
2747:
2742:
2483:
2458:
2453:
2413:
2398:
2363:
2353:
1248:
254:
If the partnership's preceding call is a natural bid in notrump, then 4NT is usually played as natural. Over an opposing pass it is simply a raise and a
3102:
2878:
2488:
2388:
2368:
2348:
3092:
2662:
2473:
2468:
2438:
2433:
2428:
2393:
2373:
2358:
2509:
2463:
2418:
2408:
2403:
2378:
2721:
2478:
2423:
2383:
1225:
810:
Redwood reduces the risk of a misunderstanding but uses up one more bid and might constrain the bidding later when asking for Kings or Queens.
3211:
2657:
1105:
1072:
1230:
3246:
3042:
1092:
3253:
3082:
2957:
1215:
3284:
1589:
1385:
1198:
1170:
1156:
1124:
916:
275:
255:
51:
154:
If the 4NT bidder, after hearing partner's response, bids a previously unmentioned suit, responder must bid 5NT to end the auction.
333:
in the 1960s. In Roman Blackwood, the responses are more ambiguous, but more space-conserving. The basic outline of responses is:
2514:
1865:
3117:
2837:
2832:
2807:
2802:
2677:
2672:
2607:
2143:
1097:
414:
The first available bid which is not the agreed suit is the Roman Blackwood for kings. The partner responds stepwise, as above.
3112:
2977:
2967:
2907:
2852:
2822:
2817:
2504:
2317:
1925:
248:
2972:
3232:
3171:
2827:
1930:
423:
Roman Key Card Blackwood (RKCB) has largely replaced the standard version among tournament players. It developed from the
3002:
2902:
2797:
3373:
3097:
3032:
3012:
2917:
2667:
2652:
2617:
2602:
2168:
1826:
885:
present a Voidwood, denoting the void in the suit bid and asking for other key cards. The responses are, as in RKCB:
63:
After developing the concept in 1933, Easley Blackwood submitted an article proposing his slam-seeking convention to
3198:
3127:
2792:
2632:
2622:
2612:
1395:
1370:
1345:
931:
309:
The continuation bid of 5NT asks for the number of kings according to the same code of replies at the six-level: 6
3188:
3037:
2312:
1619:
1609:
3218:
2922:
1400:
941:
936:
244:
3132:
2912:
784:
Using "Redwood," the ace/key card ask of 4NT is still used when the trump suit is a major (hearts or spades).
2952:
2812:
2682:
2637:
2571:
1700:
1360:
127:
when notrump has previously been bid by partner and he subsequently removes one's four-level suit bid to 4NT
3260:
2992:
2777:
2752:
2647:
2581:
2183:
2128:
1669:
558:
236:
199:
To ask for kings via 5NT, one must first ask for aces via 4NT even when possessing all four aces oneself.
157:
An ace shown by a cuebid by either partner should not be counted in responding to the 4NT ace-asking bid.
3072:
3067:
2627:
2178:
1885:
1760:
1735:
777:
Once key cards have been identified the next step bid (other than trumps) can be used to ask for Kings.
2566:
2064:
1765:
748:
An established partnership might have agreed that as hearts were not supported after opener's rebid, 4
3267:
3062:
3047:
3017:
2947:
2942:
2772:
2642:
2576:
1604:
1083:
1048:
43:
3328:
3027:
3022:
2842:
2327:
2173:
2148:
2113:
1569:
1440:
1148:
926:
240:
39:
259:
hand conventionally. In some situations where 4NT is a quantitative invitation, especially where 4
3239:
3176:
3122:
3077:
2556:
2540:
2530:
1810:
1629:
1574:
1494:
1445:
1430:
1340:
1320:
1175:
330:
47:
3297:
1740:
247:, but almost all bridge partnerships employ some member of the Blackwood family (which includes
3344:
3107:
3007:
2987:
2888:
2757:
2158:
2044:
1965:
1945:
1805:
1730:
1634:
1559:
1514:
1390:
1194:
1166:
1152:
1120:
1101:
1068:
911:
264:
211:
After a 5NT king-asking bid, neither partner is captain and either can set the final contract.
3311:
3052:
2962:
2243:
2222:
2138:
2108:
2098:
2093:
1910:
1905:
1705:
1624:
1534:
1380:
1375:
1365:
1335:
1220:
1019:
921:
409:
65:
3304:
2932:
2927:
2787:
2268:
2238:
2034:
2024:
1960:
1915:
1564:
1554:
1524:
1425:
1415:
1355:
1350:
1271:
404:
If the querying partner ascertains that all aces are present, he can continue as follows:
375:
31:
2049:
1800:
208:
Except in duplicate, the king-asking 5NT bid assures partner possession of all four aces.
1210:
138:
The 4NT bidder is only partial captain of the auction and responder has certain rights:
17:
3225:
2873:
2561:
2208:
2193:
2163:
2153:
2118:
2054:
2039:
1955:
1880:
1870:
1785:
1715:
1654:
1509:
1504:
1325:
1300:
141:
the 4NT bidder sets the level of the contract but partner may correct the denomination
3367:
2997:
2767:
2762:
2263:
2253:
2198:
2188:
2133:
2123:
2103:
2069:
2059:
2029:
2014:
1970:
1900:
1890:
1639:
1519:
1489:
1420:
1315:
1310:
1305:
826:
2937:
2737:
2273:
2248:
2203:
1950:
1940:
1920:
1795:
1770:
1679:
1674:
1659:
1544:
1435:
1405:
1330:
1060:
830:
Exclusion Blackwood because of the potential disaster of forgetting the agreement.
124:
Generally, 4NT is ace-asking when your side has bid a suit. There are exceptions:
3193:
2868:
2535:
2079:
2000:
1780:
1745:
1725:
1649:
1614:
1539:
1499:
1183:
1140:
1087:
624:
W E
554:
401:- 5NT denote specific combinations of aces (same color, same rank, or "mixed").
2982:
2782:
2586:
2258:
2074:
1790:
1684:
1664:
1644:
1584:
1579:
1410:
163:
Partner's responses to the 5NT king-asking bid are made in step-wise fashion:
88:
Partner's responses to the 4NT ace-asking bid are made in step-wise fashion:
3057:
2019:
1875:
1720:
221:
80:
expect to be able to make at the five-level even if partner has no aces, and
28:
1235:
381:
Even Roman Blackwood convention has several variations, revolving around 5
130:
when a previous opportunity to employ 4NT as ace-asking has not been taken
3087:
1755:
1594:
1549:
1995:
1895:
1775:
1599:
1529:
1450:
389:
responses. In all variants, they denote 2 aces. One variation is that 5
1935:
160:
A 5NT bid after a response to a 4NT ace-asking bid, asks for kings.
1240:
752:
cannot possibly show support, and must be ace asking in diamonds.
1750:
1710:
3153:
2703:
2294:
1847:
1471:
1282:
1244:
1143:
in collaboration with Pat Husband and Andrew Kambites (1994).
83:
be prepared with a sound rebid no matter how partner responds
325:
A variation of the standard Blackwood convention, known as
77:
think your partnership has sufficient strength for a slam,
74:
In order to make the 4NT ace-asking bid, you must first:
1053:
Bridge Humanics, How to Play People as well as the Cards
2505:
List of bridge people with Knowledge (English) articles
1055:(1st ed.). Indianapolis: Droke House, Publishers.
224:), and the entire family of conventions may be called
1145:
Basic Bridge: the guide to good Acol bidding and play
889:
1st step – 0 or 3 key cards (1 or 4, if playing 1430)
612:
3337:
3321:
3277:
3164:
2861:
2730:
2714:
2595:
2549:
2523:
2497:
2336:
2305:
2231:
1979:
1858:
1819:
1693:
1482:
1293:
1193:. Gollancz in association with Crawley, London.
251:) as part of their slam-investigation methods.
121:When responding, do not count a void as an ace.
1256:
1067:(5th ed.). Toronto: Master Point Press.
553:"Kickback" is the variant of RKCB devised by
378:is unlikely to hold 3 aces for his bid, etc.
8:
1231:"Exclusion Keycard Blackwood" at Bridge Guys
1115:Root, William S.; Pavlicek, Richard (1981).
2848:World Transnational Open Teams Championship
1189:Eric Crowhurst and Andrew Kambites (1992).
1151:in association with Peter Crawley, London.
640:K 10 8 6 4 2
3161:
3150:
2884:European Universities Bridge Championships
2748:Bridge at the 2012 World Mind Sports Games
2743:Bridge at the 2008 World Mind Sports Games
2711:
2700:
2302:
2291:
1855:
1844:
1479:
1468:
1290:
1279:
1263:
1249:
1241:
1226:"Blue Team Roman Blackwood" at Bridge Guys
1191:Understanding Acol: the good bidding guide
979:
977:
895:3rd step – 2 key cards without trump queen
397:does not. In other variations, responses 5
271:asks for the number of aces or key cards.
3103:United States Bridge Championships - Open
2879:Commonwealth Nations Bridge Championships
1216:"Roman Key Card Blackwood" at Bridge Guys
1022:, May 1981 Volume 52, Number 8, page 23.
235:There are other 4NT conventions, such as
2663:List of contract bridge governing bodies
1211:"Roman Key Card Blackwood" at Bridge Bum
836:
679:
473:– 2 or 5 key cards with the trump queen
1163:Mendelson's Guide to the Bidding Battle
1065:Roman Keycard Blackwood, the Final Word
967:
965:
952:
898:4th step – 2 key cards with trump queen
462:– 2 or 5 cards without the trump queen
2722:List of bridge competitions and awards
2323:List of nationality transfers in sport
621:
3212:25 Bridge Conventions You Should Know
3093:Sternberg Women's Board-a-Match Teams
2658:International Mind Sports Association
263:is a jump, many partnerships use the
7:
2896:North American bridge Championships:
892:2nd step – 1 or 4 key cards (0 or 3)
3247:The Official Encyclopedia of Bridge
3043:North American Bridge Championships
1093:The Official Encyclopedia of Bridge
632:K 10 6 4 2
3254:Planning the Play of a Bridge Hand
2958:Keohane North American Swiss Teams
1001:Root and Pavlicek (1981), page 236
267:instead of the Blackwood family: 4
25:
3285:List of contract bridge magazines
1590:Optimum contract and par contract
1386:Glossary of contract bridge terms
917:Glossary of contract bridge terms
329:, was popularized by the Italian
290:; with one, two, or three aces, 5
216:Variations based on 4NT as asking
1221:"Roman Blackwood" at Bridge Guys
1180:The Bridge Players' Encyclopedia
983:Blackwood (1949), pages 252-255.
878:
803:
764:
720:
712:
568:
526:
500:
446:
351:
291:
174:
99:
58:
3083:Smith Life Master Women's Pairs
2838:World Senior Teams Championship
2833:World Senior Pairs Championship
2808:World Junior Teams Championship
2803:World Junior Pairs Championship
2678:United States Bridge Federation
2673:South African Bridge Federation
2608:American Contract Bridge League
2144:Non-simultaneous double squeeze
1178:and Rhoda Barrow, eds. (1967).
1098:American Contract Bridge League
1096:(7th ed.). Horn Lake, MS:
419:Roman Key Card Blackwood (RKCB)
3113:Von Zedtwitz Life Master Pairs
2978:Manfield Non-Life Master Pairs
2968:Leventritt Silver Ribbon Pairs
2908:Edgar Kaplan Blue Ribbon Pairs
2853:World Women Pairs Championship
2823:World Mixed Teams Championship
2818:World Mixed Pairs Championship
2318:List of contract bridge people
1926:Principle of restricted choice
882:
855:
849:
771:
749:
742:
726:
706:
698:
692:
590:
579:
532:
488:
484:
468:
457:
398:
394:
390:
386:
382:
362:
303:
299:
295:
188:
181:
113:
106:
1:
3233:Contract Bridge for Beginners
3172:List of contract bridge books
2828:World Open Pairs Championship
2510:List of bridge administrators
1165:. Colt Books, Cambridge, UK.
874:
863:
796:
496:
435:
340:
310:
287:
268:
260:
167:
92:
3118:Wagar Women's Knockout Teams
3003:Mitchell Board-a-Match Teams
2903:ACBL King or Queen of Bridge
2798:World IMP Pairs Championship
1086:; Greenberg-Yarbro, Tracey;
860:
846:
731:
717:
703:
689:
59:Blackwood's original summary
3098:Truscott Senior Swiss Teams
3033:Non-Life Master Swiss Teams
3013:Nail Life Master Open Pairs
2973:Machlin Women's Swiss Teams
2918:Chicago Mixed Board-a-Match
2668:Norwegian Bridge Federation
2653:Hungarian Bridge Federation
2618:Brazilian Bridge Federation
2603:American Bridge Association
2169:Simultaneous double squeeze
1827:List of bidding conventions
1236:Eddie Kantar's bidding tips
971:Blackwood (1949), page 192.
660:A Q 10 4
544:Variations not based on 4NT
393:shows extra values, while 5
232:in the key card variation.
3390:
3199:Terence Reese bibliography
3155:Publications and resources
2793:World Bridge Championships
2633:Canadian Bridge Federation
2623:Bridge Federation of India
2613:Austrian Bridge Federation
1396:History of contract bridge
1371:Duplicate bridge movements
1119:. Crown Trade Paperbacks.
932:Quantitative no trump bids
654:K J 9 7
3189:Edwin Kantar bibliography
3160:
3149:
3038:Norman Kay Platinum Pairs
2710:
2699:
2313:ACBL Youngest Life Master
2301:
2290:
1854:
1843:
1620:Quantitative notrump bids
1610:Principle of fast arrival
1478:
1467:
1289:
1278:
1117:Modern Bridge Conventions
842:
839:
685:
682:
3219:Bridge Squeezes Complete
3194:Hugh Kelsey bibliography
2923:Fall National Open Pairs
2296:People and organizations
1401:Laws of Duplicate Bridge
942:Slam-seeking conventions
937:San Francisco convention
516:Key Card Blackwood (KCB)
278:reply to such a double.
18:Roman Key Card Blackwood
3128:Whitehead Women's Pairs
2953:Jacoby Open Swiss Teams
2813:World Mind Sports Games
2683:World Bridge Federation
2638:Dutch Bridge Federation
2572:Galatasaray Bridge Team
1866:List of play techniques
1701:List of bidding systems
1361:Contract bridge diagram
1161:Paul Mendelson (1998).
1035:Manley (2011), page 52.
992:Kantar (2008), page 44.
959:Manley (2011), page 270
557:in accordance with the
194:6NT to indicate 4 kings
95:to indicate 0 or 4 aces
3261:Right Through the Pack
2993:Mini-Blue Ribbon Pairs
2778:Triple crown of bridge
2753:Cavendish Invitational
2648:European Bridge League
2582:Portland Club (London)
2515:List of bridge writers
2184:Stepping-stone squeeze
2129:Entry-shifting squeeze
1766:Kaplan–Sheinwold
1670:Useful space principle
1010:Kantar (2008), page 8.
559:Useful Space Principle
237:Culbertson 4-5 Notrump
3073:Senior Knockout Teams
3068:Roth Open Swiss Teams
2628:British Bridge League
1761:Highly unusual method
1736:Bridge World Standard
523:5♣ – 0 or 4 key cards
228:in both versions, or
3268:Tickets to the Devil
3063:Rockwell Mixed Pairs
3048:North American Pairs
3018:National 199er Pairs
2948:Hilliard Mixed Pairs
2943:Grand National Teams
2773:Senior Bowl (bridge)
2643:English Bridge Union
2577:Melville Bridge Club
1605:Prepared opening bid
806:– RKCB for diamonds
774:– RKCB for diamonds
584:– RKCB for diamonds
36:Blackwood convention
3329:Grand Slam (BBC TV)
3133:Young LM–1500 Pairs
3028:National 99er Pairs
3023:National 49er Pairs
2913:Bruce LM–5000 Pairs
2843:World Team Olympiad
2328:Bridge Headquarters
2174:Single-suit squeeze
2149:Progressive squeeze
2114:Criss-cross squeeze
1570:Law of total tricks
1441:Traveling scoreslip
1149:Victor Gollancz Ltd
1024:Exclusion Blackwood
927:Norman four notrump
819:Exclusion Blackwood
814:Exclusion Blackwood
529:– 1 or 5 key cards
451:– 1 or 4 key cards
440:– 0 or 3 key cards
249:Byzantine Blackwood
241:Norman Four Notrump
191:to indicate 3 kings
184:to indicate 2 kings
170:to indicate 0 kings
50:to judge whether a
27:In the partnership
3374:Bridge conventions
3240:Design for Bidding
3177:Master Point Press
3123:Wernher Open Pairs
3078:Silodor Open Pairs
2862:National and Zonal
2557:Bridge Base Online
2337:Players by country
2216:Suit combinations:
2065:Morton's fork coup
1811:Strong club system
1630:Sacrifice (bridge)
1575:Losing-Trick Count
1495:Balancing (bridge)
1431:Singaporean bridge
1341:Cheating in bridge
1321:Bridge Murder case
674:A 5 3
603:– RKCB for spades
595:– RKCB for hearts
282:Standard Blackwood
177:to indicate 1 king
116:to indicate 3 aces
109:to indicate 2 aces
40:bidding convention
3361:
3360:
3357:
3356:
3353:
3352:
3345:Bridge Base Basic
3145:
3144:
3141:
3140:
3108:Vanderbilt Trophy
3008:Mott-Smith Trophy
2988:Master Individual
2889:Gold Cup (bridge)
2758:Computer Olympiad
2695:
2694:
2691:
2690:
2286:
2285:
2282:
2281:
2159:Saturated squeeze
2045:Deschapelles coup
1839:
1838:
1835:
1834:
1806:Standard American
1731:Bridge Base Basic
1635:Shooting (bridge)
1560:Honor point count
1515:Bridge convention
1463:
1462:
1459:
1458:
1391:High card by suit
1107:978-0-939460-99-1
1074:978-1-897106-35-8
1049:Blackwood, Easely
912:Gerber convention
871:
870:
825:. was devised by
799:– RKCB for clubs
767:– RKCB for clubs
739:
738:
678:
677:
607:
606:
573:– RKCB for clubs
537:5♠ – 3 key cards
477:
476:
371:
370:
265:Gerber convention
102:to indicate 1 ace
16:(Redirected from
3381:
3312:The Bridge World
3294:
3293:
3208:
3207:
3186:
3185:
3162:
3151:
3053:Red Ribbon Pairs
2963:Lebhar IMP Pairs
2898:
2897:
2712:
2701:
2596:Governing bodies
2303:
2292:
2244:Journalist leads
2223:Suit combination
2218:
2217:
2139:Knockout squeeze
2109:Compound squeeze
2099:Cannibal squeeze
2094:Backwash squeeze
2089:
2088:
2010:
2009:
1991:
1990:
1906:Grosvenor gambit
1856:
1845:
1706:2/1 game forcing
1625:Reverse (bridge)
1535:Five-card majors
1480:
1469:
1376:Five-suit bridge
1366:Duplicate bridge
1291:
1280:
1265:
1258:
1251:
1242:
1130:
1111:
1078:
1056:
1036:
1033:
1027:
1020:The Bridge World
1017:
1011:
1008:
1002:
999:
993:
990:
984:
981:
972:
969:
960:
957:
922:Grand slam force
884:
880:
876:
865:
857:
851:
837:
805:
798:
773:
766:
751:
744:
728:
722:
714:
708:
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694:
680:
613:
592:
581:
570:
564:
563:
534:
528:
502:
498:
490:
486:
470:
459:
448:
437:
431:
430:
410:Grand slam force
400:
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364:
353:
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336:
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305:
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94:
66:The Bridge World
44:Easley Blackwood
21:
3389:
3388:
3384:
3383:
3382:
3380:
3379:
3378:
3364:
3363:
3362:
3349:
3333:
3317:
3305:Bridge Magazine
3298:Bridge d'Italia
3291:
3290:
3273:
3205:
3204:
3184:Bibliographies:
3183:
3182:
3156:
3137:
2933:Fishbein Trophy
2928:Fast Open Pairs
2895:
2894:
2857:
2788:WBF Youth Award
2726:
2706:
2687:
2591:
2545:
2519:
2493:
2332:
2297:
2278:
2239:Forcing defense
2227:
2215:
2214:
2086:
2085:
2035:Coup en passant
2025:Belladonna coup
2007:
2006:
1988:
1987:
1975:
1961:Trump promotion
1916:Percentage play
1850:
1831:
1815:
1741:Canapé (bridge)
1689:
1565:Inverted minors
1555:Hand evaluation
1525:Convention card
1474:
1455:
1416:Neuberg formula
1356:Contract bridge
1351:Computer bridge
1285:
1274:
1272:Contract bridge
1269:
1207:
1137:
1135:Further reading
1127:
1114:
1108:
1090:, eds. (2011).
1082:Manley, Brent;
1081:
1075:
1059:
1047:
1044:
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1005:
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987:
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975:
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958:
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950:
908:
902:
816:
790:
758:
741:East intended 4
551:
546:
536:
530:
524:
518:
425:Roman Blackwood
421:
327:Roman Blackwood
323:
321:Roman Blackwood
284:
218:
61:
32:contract bridge
23:
22:
15:
12:
11:
5:
3387:
3385:
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3376:
3366:
3365:
3359:
3358:
3355:
3354:
3351:
3350:
3348:
3347:
3341:
3339:
3338:External links
3335:
3334:
3332:
3331:
3325:
3323:
3319:
3318:
3316:
3315:
3308:
3301:
3287:
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3274:
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3257:
3250:
3243:
3236:
3229:
3226:The Cardturner
3222:
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2874:Camrose Trophy
2871:
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2569:
2564:
2562:Cavendish Club
2559:
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2544:
2543:
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2256:
2251:
2246:
2241:
2235:
2233:
2229:
2228:
2226:
2225:
2220:
2211:
2209:Winkle squeeze
2206:
2201:
2196:
2194:Triple squeeze
2191:
2186:
2181:
2176:
2171:
2166:
2164:Simple squeeze
2161:
2156:
2154:Pseudo-squeeze
2151:
2146:
2141:
2136:
2131:
2126:
2121:
2119:Double squeeze
2116:
2111:
2106:
2101:
2096:
2091:
2082:
2077:
2072:
2067:
2062:
2057:
2055:Loser on loser
2052:
2047:
2042:
2040:Crocodile coup
2037:
2032:
2027:
2022:
2017:
2012:
2003:
1998:
1993:
1983:
1981:
1977:
1976:
1974:
1973:
1968:
1963:
1958:
1953:
1948:
1943:
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1933:
1928:
1923:
1918:
1913:
1908:
1903:
1898:
1893:
1888:
1883:
1878:
1873:
1871:Avoidance play
1868:
1862:
1860:
1852:
1851:
1848:
1841:
1840:
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1836:
1833:
1832:
1830:
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1821:
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1813:
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1803:
1798:
1793:
1788:
1786:Precision Club
1783:
1778:
1773:
1768:
1763:
1758:
1753:
1748:
1743:
1738:
1733:
1728:
1723:
1718:
1716:Bidding system
1713:
1708:
1703:
1697:
1695:
1691:
1690:
1688:
1687:
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1677:
1672:
1667:
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1657:
1655:Takeout double
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1552:
1547:
1542:
1537:
1532:
1527:
1522:
1517:
1512:
1510:Board (bridge)
1507:
1505:Bidding system
1502:
1497:
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1464:
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1460:
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1383:
1378:
1373:
1368:
1363:
1358:
1353:
1348:
1343:
1338:
1333:
1328:
1326:Bridge scoring
1323:
1318:
1313:
1308:
1303:
1301:Auction bridge
1297:
1295:
1287:
1286:
1283:
1276:
1275:
1270:
1268:
1267:
1260:
1253:
1245:
1239:
1238:
1233:
1228:
1223:
1218:
1213:
1206:
1205:External links
1203:
1202:
1201:
1187:
1173:
1159:
1136:
1133:
1132:
1131:
1125:
1112:
1106:
1079:
1073:
1057:
1043:
1040:
1038:
1037:
1028:
1026:by Ron Gerard.
1012:
1003:
994:
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951:
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415:
412:
369:
368:
365:
358:
357:
356:– 1 or 4 aces
354:
347:
346:
345:– 0 or 3 aces
343:
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319:
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280:
217:
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3009:
3006:
3004:
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2999:
2998:Mini-Spingold
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2794:
2791:
2789:
2786:
2784:
2781:
2779:
2776:
2774:
2771:
2769:
2768:Rosenblum Cup
2766:
2764:
2763:McConnell Cup
2761:
2759:
2756:
2754:
2751:
2749:
2746:
2744:
2741:
2739:
2736:
2735:
2733:
2729:
2723:
2720:
2719:
2717:
2713:
2709:
2705:Championships
2702:
2698:
2684:
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2674:
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2542:
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2537:
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2522:
2516:
2513:
2511:
2508:
2506:
2503:
2502:
2500:
2496:
2490:
2489:United States
2487:
2485:
2482:
2480:
2477:
2475:
2472:
2470:
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2465:
2462:
2460:
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2405:
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2308:
2304:
2300:
2293:
2289:
2275:
2272:
2270:
2267:
2265:
2264:Rusinow leads
2262:
2260:
2257:
2255:
2254:Rule of 10-12
2252:
2250:
2247:
2245:
2242:
2240:
2237:
2236:
2234:
2232:Defender play
2230:
2224:
2221:
2219:
2212:
2210:
2207:
2205:
2202:
2200:
2199:Trump squeeze
2197:
2195:
2192:
2190:
2189:Strip squeeze
2187:
2185:
2182:
2180:
2177:
2175:
2172:
2170:
2167:
2165:
2162:
2160:
2157:
2155:
2152:
2150:
2147:
2145:
2142:
2140:
2137:
2135:
2134:Guard squeeze
2132:
2130:
2127:
2125:
2124:Entry squeeze
2122:
2120:
2117:
2115:
2112:
2110:
2107:
2105:
2104:Clash squeeze
2102:
2100:
2097:
2095:
2092:
2090:
2083:
2081:
2078:
2076:
2073:
2071:
2070:Scissors coup
2068:
2066:
2063:
2061:
2060:Merrimac coup
2058:
2056:
2053:
2051:
2048:
2046:
2043:
2041:
2038:
2036:
2033:
2031:
2028:
2026:
2023:
2021:
2018:
2016:
2015:Alcatraz coup
2013:
2011:
2004:
2002:
1999:
1997:
1994:
1992:
1985:
1984:
1982:
1980:Declarer play
1978:
1972:
1971:Vacant Places
1969:
1967:
1964:
1962:
1959:
1957:
1954:
1952:
1949:
1947:
1944:
1942:
1939:
1937:
1934:
1932:
1931:Probabilities
1929:
1927:
1924:
1922:
1919:
1917:
1914:
1912:
1909:
1907:
1904:
1902:
1899:
1897:
1894:
1892:
1889:
1887:
1884:
1882:
1879:
1877:
1874:
1872:
1869:
1867:
1864:
1863:
1861:
1857:
1853:
1846:
1842:
1828:
1825:
1824:
1822:
1818:
1812:
1809:
1807:
1804:
1802:
1799:
1797:
1794:
1792:
1789:
1787:
1784:
1782:
1779:
1777:
1774:
1772:
1769:
1767:
1764:
1762:
1759:
1757:
1754:
1752:
1749:
1747:
1744:
1742:
1739:
1737:
1734:
1732:
1729:
1727:
1724:
1722:
1719:
1717:
1714:
1712:
1709:
1707:
1704:
1702:
1699:
1698:
1696:
1692:
1686:
1683:
1681:
1678:
1676:
1673:
1671:
1668:
1666:
1663:
1661:
1658:
1656:
1653:
1651:
1648:
1646:
1643:
1641:
1640:Single suiter
1638:
1636:
1633:
1631:
1628:
1626:
1623:
1621:
1618:
1616:
1613:
1611:
1608:
1606:
1603:
1601:
1598:
1596:
1593:
1591:
1588:
1586:
1583:
1581:
1578:
1576:
1573:
1571:
1568:
1566:
1563:
1561:
1558:
1556:
1553:
1551:
1548:
1546:
1543:
1541:
1538:
1536:
1533:
1531:
1528:
1526:
1523:
1521:
1520:Brown sticker
1518:
1516:
1513:
1511:
1508:
1506:
1503:
1501:
1498:
1496:
1493:
1491:
1490:Balanced hand
1488:
1487:
1485:
1481:
1477:
1470:
1466:
1452:
1449:
1447:
1444:
1442:
1439:
1437:
1434:
1432:
1429:
1427:
1424:
1422:
1421:Rubber bridge
1419:
1417:
1414:
1412:
1409:
1407:
1404:
1402:
1399:
1397:
1394:
1392:
1389:
1387:
1384:
1382:
1379:
1377:
1374:
1372:
1369:
1367:
1364:
1362:
1359:
1357:
1354:
1352:
1349:
1347:
1344:
1342:
1339:
1337:
1334:
1332:
1329:
1327:
1324:
1322:
1319:
1317:
1316:Bridge maxims
1314:
1312:
1311:Bridge-O-Rama
1309:
1307:
1306:Bridge ethics
1304:
1302:
1299:
1298:
1296:
1292:
1288:
1281:
1277:
1273:
1266:
1261:
1259:
1254:
1252:
1247:
1246:
1243:
1237:
1234:
1232:
1229:
1227:
1224:
1222:
1219:
1217:
1214:
1212:
1209:
1208:
1204:
1200:
1199:0-575-05253-8
1196:
1192:
1188:
1185:
1181:
1177:
1174:
1172:
1171:0-905899-86-5
1168:
1164:
1160:
1158:
1157:0-575-05690-8
1154:
1150:
1146:
1142:
1139:
1138:
1134:
1128:
1126:0-517-58727-0
1122:
1118:
1113:
1109:
1103:
1099:
1095:
1094:
1089:
1085:
1080:
1076:
1070:
1066:
1062:
1061:Kantar, Eddie
1058:
1054:
1050:
1046:
1045:
1041:
1032:
1029:
1025:
1021:
1016:
1013:
1007:
1004:
998:
995:
989:
986:
980:
978:
974:
968:
966:
962:
956:
953:
947:
943:
940:
938:
935:
933:
930:
928:
925:
923:
920:
918:
915:
913:
910:
909:
905:
903:
897:
894:
891:
888:
887:
886:
867:
861:
853:
847:
838:
835:
831:
828:
827:Bobby Goldman
824:
820:
813:
811:
807:
800:
793:
787:
785:
782:
778:
775:
768:
761:
755:
753:
746:
735:
732:
724:
718:
710:
704:
696:
690:
681:
673:
670:
667:
664:
663:
659:
656:
653:
650:
649:
645:
642:
639:
636:
635:
631:
628:
626:
625:
618:
615:
614:
611:
602:
599:
598:
594:
588:
587:
583:
577:
576:
572:
566:
565:
562:
560:
556:
548:
543:
541:
538:
535:– 2 key cards
521:
515:
513:
509:
505:
493:
481:
472:
466:
465:
461:
455:
454:
450:
444:
443:
439:
433:
432:
429:
426:
418:
413:
411:
407:
406:
405:
402:
379:
377:
366:
360:
359:
355:
349:
348:
344:
338:
337:
334:
332:
328:
320:
318:
314:
307:
281:
279:
277:
272:
266:
257:
252:
250:
246:
245:San Francisco
242:
238:
233:
231:
227:
226:Blackwood 4NT
223:
215:
210:
207:
204:
201:
198:
193:
186:
179:
172:
165:
164:
162:
159:
156:
153:
147:
143:
140:
139:
137:
134:
129:
126:
125:
123:
120:
111:
104:
97:
90:
89:
87:
82:
79:
76:
75:
73:
72:
71:
68:
67:
56:
53:
49:
45:
42:developed by
41:
37:
33:
30:
19:
3322:TV and Radio
3310:
3303:
3296:
3289:
3266:
3259:
3252:
3245:
3238:
3231:
3224:
3217:
3210:
3203:
3181:
2938:Goren Trophy
2893:
2738:Bermuda Bowl
2274:Smith signal
2249:Opening lead
2213:
2204:Vice squeeze
2179:Squeeze play
2084:
2050:Devil's coup
2005:
1986:
1951:Smother play
1921:Pin (bridge)
1886:Card reading
1801:Säffle Spade
1796:Romex system
1771:Little Major
1680:Weak two bid
1675:Void (cards)
1660:Three suiter
1545:Forcing pass
1406:Masterpoints
1331:Bridge whist
1190:
1179:
1162:
1144:
1116:
1091:
1088:Rigal, Barry
1084:Horton, Mark
1064:
1052:
1031:
1023:
1015:
1006:
997:
988:
955:
901:
872:
832:
822:
818:
817:
808:
801:
794:
791:
783:
779:
776:
769:
762:
759:
747:
740:
623:
622:
608:
552:
539:
522:
519:
510:
506:
494:
482:
478:
424:
422:
403:
380:
372:
326:
324:
315:
308:
285:
273:
256:quantitative
253:
234:
230:Key Card 4NT
229:
225:
219:
64:
62:
35:
26:
2869:Buffett Cup
2567:Crockford's
2536:Dallas Aces
2498:Other lists
2479:Switzerland
2449:New Zealand
2384:Netherlands
2080:Vienna coup
2001:Safety play
1820:Conventions
1781:Polish Club
1746:Carrot Club
1726:Boring Club
1650:Strong pass
1615:Psychic bid
1540:Forcing bid
1500:Bidding box
1184:Paul Hamlyn
1141:Ron Klinger
555:Jeff Rubens
408:5NT is the
376:high points
3292:Magazines:
2983:Marcus Cup
2783:Venice Cup
2587:Savoy Club
2259:Rule of 11
2075:Trump coup
1791:Roman Club
1685:Zar Points
1665:Two suiter
1645:Stolen bid
1585:Minor suit
1580:Major suit
1411:Minibridge
1042:References
619:A 3
3278:Magazines
3058:Reisinger
2541:Four Aces
2531:Blue Team
2344:Australia
2087:Squeezes:
2020:Bath coup
1876:Beer card
1849:Card play
1721:Blue Club
1336:Bridgette
1186:, London.
1176:Ben Cohen
873:Bids of 5
788:Minorwood
367:– 2 aces
331:Blue Team
29:card game
3368:Category
3088:Spingold
2459:Pakistan
2364:Bulgaria
1966:Uppercut
1946:Shooting
1756:Fantunes
1595:Overcall
1550:Game try
1284:Overview
1063:(2008).
1051:(1949).
906:See also
823:Voidwood
549:Kickback
2715:General
2424:Ireland
2414:Hungary
2409:Germany
2399:Fiction
2394:England
2379:Denmark
2359:Britain
2349:Austria
2306:General
1996:Finesse
1911:Hold up
1896:Endplay
1859:General
1776:Moscito
1694:Systems
1600:Preempt
1530:Cue bid
1483:General
1473:Bidding
1451:Vugraph
1381:Goulash
1346:Chicago
1294:General
756:Redwood
671:♣
665:♣
657:♦
651:♦
643:♥
637:♥
629:♠
616:♠
3206:Books:
2484:Taiwan
2474:Sweden
2469:Russia
2464:Poland
2454:Norway
2444:Monaco
2439:Mexico
2429:Israel
2404:France
2369:Canada
2354:Brazil
2269:Signal
2008:Coups:
1989:Basic:
1936:Revoke
1426:Screen
1197:
1169:
1155:
1123:
1104:
1071:
298:, or 5
276:cuebid
48:trumps
34:, the
3165:Books
2731:World
2550:Clubs
2524:Teams
2434:Italy
2419:India
2389:Egypt
2374:China
1956:Tempo
1901:Entry
1881:Caddy
1446:Trump
948:Notes
881:and 5
843:East
840:West
686:East
683:West
499:and 5
495:The 5
487:and 5
483:The 5
385:and 5
317:ace.
145:void.
38:is a
2030:Coup
1941:Ruff
1891:Duck
1751:EHAA
1711:Acol
1436:Suit
1195:ISBN
1167:ISBN
1153:ISBN
1121:ISBN
1102:ISBN
1069:ISBN
733:Pass
243:and
52:slam
877:, 5
821:or
600:4NT
294:, 5
222:4NT
149:it.
3370::
1182:.
1147:.
1100:.
976:^
964:^
668:8
646:A
239:,
1264:e
1257:t
1250:v
1129:.
1110:.
1077:.
883:♥
879:♦
875:♣
864:♣
862:5
856:♠
854:3
850:♠
848:1
804:♦
802:4
797:♣
795:4
772:♥
770:4
765:♦
763:4
750:♥
743:♥
727:♥
725:4
721:♦
719:4
713:♦
711:3
707:♥
705:2
699:♠
697:1
693:♥
691:1
591:♠
589:4
580:♥
578:4
569:♦
567:4
533:♥
531:5
527:♦
525:5
501:♦
497:♣
489:♠
485:♥
469:♠
467:5
458:♥
456:5
447:♦
445:5
436:♣
434:5
399:♥
395:♥
391:♠
387:♠
383:♥
363:♥
361:5
352:♦
350:5
341:♣
339:5
311:♣
304:♠
300:♠
296:♥
292:♦
288:♣
269:♣
261:♣
189:♠
187:6
182:♥
180:6
175:♦
173:6
168:♣
166:6
114:♠
112:5
107:♥
105:5
100:♦
98:5
93:♣
91:5
20:)
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