DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS WBF (Style, Responses, ½ Level, Reopening) OPENING LEADS AND SIGNALS Style: 5-card normal Lead In Partners’ suit Category: Responses: Suit 1,3,5 1,3,5 NBO (Country): Netherlands Reopening: infodouble NT 1,3,5 1,3,5 Event: Subseq Players: Nico Klaver & Charles Schutte 1NT (2nd /4th Live; Responses, Reopening) Other: 2nd position: 15-18 SYSTEM SUMMARY Responses: nAs after normal 1NT opening L E A D S Lead vs. Suit vs. NT GENERAL APPROACH AND STYLE: 4th position: 10/14 - DBL 1NT 15/18 DBL 2NT 19/21 Ace AK AK 5-card major, 2/1 GF after 1M Responses: As after normal 1NT opening King AK KQ AK KQ Queen QJ QJ JUMP OVERCALLS (Style, Responses, Unusual NT) Jack JT JT Style: Weak 1C-2D Majors 1C-2NT Minors 1C-3C D+S 10 T9 ABTx T9 ABTx 9 98 or third 98 or third Responses: 8 Unusual notrump: 2 suiter 1NT opening: 15-16 2 over 1 Response:GF AFTER 1M Reopening: Intermadiate 1C-2D Majors 1C-2NT Minors SIGNALS IN ORDER OF PRIORITY SPECIAL BIDS THAT MAY REQUIRE DEFENCE 1C-3C D+S Partner’s Lead Declarer’s Lead Discarding Openings: DIRECT and JUMP CUE BIDS (Style, Resp., Reopening) Suit:1ST 2 1 Rom/Lav 2 Clubs = strong Style: 1C-2D Majors 1C-2NT D+H, 1C-3C D+S 2ND 2 1 2 Diamonds = multi 1D/H/S - 2NT lowest - 3C highest - others 3RD 2 Hearts = 5 Hearts and 4+ minor weak Responses: NT: 1ST 2 1 Rom/Lav 2 Spades = 5 Spades and 4+minor weak Reopening: As above 2ND 2 1 3RD VS. NT (vs. Strong / Weak; Reopening; PH) 1 = L/H odd 2 = High enc , Strong & Weak: Weak: Multi Landy Strong: DBL M or m K-lead distribution against suit: 2C C+M 2D D+M 2M to play Jump weak A-lead distribution against NT Reopening: As above DOUBLES Passed Hand: SPECIAL SEQUENCES TAKEOUT DOUBLES (Style, Responses, Reopening) VS. (Doubles, Cue-bids, Jumps, NT bids) Style: normal infodouble - 4m= m+M (World. Conv.) Responses: Reopening: IMPORTANT NOTES THAT DOESN’T FIT ELSEWHERE

SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES VS. ARTIFICIAL STRONG OPENINGS vs strong 1.: Dbl M's, 1NT m's, weak jumps

OVER OPPONENTS’ TAKE OUT DOUBLE Psychics: Rare

Neg. Opening Artificial Min. Description Response Subsequent Auction Passed Hand Bidding Double 1. 3 4S 11+ 1NT NF, 3K limit, 2D 2H 2S weak, 3D 3H 3S limit 1 3 4S 11+ 1NT NF, 3D limit, 2H 2S weak, 3H 3S limit 1NT F, 2 over 1 GF, 2NT 4+ limit/strong, 2H 8/9 3+ or 3C 3D 3S=inv, 1H-2C=relay-2D=min, 1 5 4D 11+ 6/7 4+, 3/4H weak 4+, 3NT 4C 4D=splinter 2S weak 1NT F, 2 over 1 GF, 2NT 4+ limit/strong, 2S 8/9 3+ or 3C 3D 3H=inv, 1S-2C=relay-2D=min, 1 5 4D 11+ 6/7 4+, 3/4S weak 4+, 3NT 4C 4D=splinter Stayman, Transfers, Smolen, 2S=6+C, 2NT=6+D,3C 3D 1NT 2S 15-16 Rubensohl/lebensohl - MSA 6+ invite 2+ hnrs, 3M short - 3 other M & 5/4 m's SF in C,H,S 2. Y 0 2D = relay, 2H 2S 3C 5+ two hnrs , 2NT=9+ GF H/S 21/22 25/26 N weak (5) 6 major 2N = relay ,3S or 3H correctable, 3C 3D 6+ MF 2 Y 0 23-24 N, GF C,D 4K = bid x-fer 4D = bid M 2 5 5 Hearts and 4+ minor 2N relay 3/4 H barrage, 3D = invite, 2S 3C NF 2 5 5 Spades and 4+ minor 2N relay 3/4 S barrage, 3D = invite, 3C 3H NF Puppet-Stayman, transfer, 3S and higher x-fers, 2NT 3S 19-20 P-S :4C MSA 4S minors, 3. 6 preemt 3 6 preemt 3 6 preemt 3 6 preemt 3NT Y Solid 7+ krt 4C relay, 4D GF relay 4. 4 4 4

4NT HIGH LEVEL BIDDING

5. Help suit trials, 4th colour, RKC 41-30 Smolen, DePo, Lightnerdouble, Ghestem 5 Super-stayman, ruben/lebensohl. 5

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