Convention Card

DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS CONVENTION CARD OVERCALLS (style ; Responses ; ½ Level ; Reopening) OPENING LEADS STYLE Style : natural, can be light 7+H Lead In Partner’s suit Category : Green Responses : New suit F1, weak jump raises. Suit 3/5 3/5 NCBO : France Reopening : no jump usually shows 7-13(14) HCP NT 4th best 3/5 Event : World Junior Championships NT : 1NT 9-13, 2NT 17-19 Subsequent Attitude count T/O Doubles General Style Other : lead second from xxxx Players : Thomas Bessis & Frédéric Volcker Can be light if shaped VS suits contracts, can lead K from AKx(x) and a sing aside SYSTEM SUMMARY Reopening 8+ according to shape LEADS NT Overcalls Lead Suit NT GENERAL APPROCH AND STYLE nd th 2 position : 15-18 HCP, 4 position: 9-13 HCP Ace AKx(x) Ask for attitude 5-Card Major, Better Minor Responses : Stayman and Transfers King AK, KQ(x) Ask for count/unblock 2. GF any hand JUMP Overcalls Queen QJ(x), Qx Ask for attitude 2 Semi Forcing Style : natural and weak according to vul. 1. 2 majors Jack (H)J10(x), Jx (H)J10x Strong 2 in , Weak 2 in Unusual NT : two lower suits 10 10x, (H)109(x) (H)109x(x), H10x Direct cue-bid : two-suiter except 1. 2. natural 9 9x, HH9x 9x, 9xx, H9x 1NT Opening : 15-17 Jump cue bid : asks for stopper, except 1. 3. nat preempt Hi-x Sx, xSxx, HxSx HSx, Sxx, xSxx(x) 2 over 1 Responses : GF Responses : natural F1, cue-bid asks Low-x xxS, HxS, HxxxS HxxS, HxxSx, VS 1NT OPENING SIGNALS IN ORDER PRIORITY SPECIAL BIDS THAT MAY REQUIRE DEFENCE VS Strong NT Partner’s Declarer’s lead Discarding X= 5+m, 4M or strong, 2. both majors, 2 1 major, 2/ lead Openings 5/, 4+m, 2NT both minors 1 Std count Std count Std count 3NT solid minor no Ace or King aside 2 Suit High enc High enc High enc VS Weak NT 3 S/P S/P S/P X 14+ HCP, 2. both majors, 2x Transfer. 1 Std count Std count Std count Competitive bids nd After X, 2 X is always T/O. 2 NT High enc High enc High enc See responder’s doubles. VS PREEMPTS 3 S/P S/P S/P VS 1NT opening Style : T/O double, natural overcalls. Over a weak 2M, cue bid shows both minors, 4m = 5M’ 5m Signals including Trumps: Upside down count, and echo Responses : New suit F1, 2NT asks often shows an ability to ruff. IMPORTANT NOTES THAT DON’T FIT ELSEWHERE VS ARTIFICIAL STRONG OPENING VS Strong 1. TAKE OUT DOUBLES Many fit showing jump bids. X shows opening values and majors, 1-level natural, 1NT to Style : can be light if shaped 3rd and 4th suit F1. 2NT 2-suiters, and 3-level preempts Responses : natural, cue-bid shows strength 1. 1M Pass 1NT : cue bid Reopening : 8+, according to shape Psychics : rare 2x : natural NF OVER OPPONENTS T/O DOUBLE Responder’s doubles : XX=10+ HCP, next X are penalty. 1m 1 X : 4+, 1 : 0-3 1 level bid = forcing 1. 1 X : 4+, 1 : 4+, 1 : no 4 card major 2 level bid = not forcing 2NT invitational + with fit, fit showing jumps. SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES Take Out Doubles, Responsive Doubles, Game-try Doubles LIGHTNER 1 OPENING BIDS AND DEVELOPPEMENTS Minimum Tick if Negative X RESPONSES number of Opening artificial thru DESCRIPTION SUBSEQUENT AUCTION PASSED HAND BIDDING cards 1. 3 7 11-23 HCP, better minor 2. : 5+ 4+ 5-9 H See take out doubles. Fit showing jumps. 2 : inv . raise, 3. pre 2 way check-back after 1m 1M 1NT 1 3 7 11-23 HCP, better minor 2 : 5+ 4+ 5-9 H Same as above. Same as above 3. : inv raise, 3 pre 1 5 7 10-21 HCP 1NT : semi-forcing After overcall : Drury 2 : 4+, 3 10-15 HCP 2NT inv+ raise Fit showing jumps 2NT : 3-card supp 10-15 HCP Fit showing jumps, splinter 3. 3: nat inv 3 : preemptive 3, 4./ : splinter 1 5 7 10-21 HCP Same as above. Same as above Same as above 3 : natural inv 1NT 7 15-17 HCP bal or semi-bal 2. Stayman, Transfers. After overcall : 5M or 6m possible 3 : both minors bal 13+ Rubensohl 4. both majors 4 and 4 Transfer 2. x 0 7 GF any hand 2 Natural 2. 2 4. shows both majors 2 x 0 7 8-9 playing tricks or 22-23 bal 2 Natural 2 2 3NT long minor and stoppers 2 5 8-8 ½ playing tricks in Natural Natural and GF 3 slam interest, no good suit 2 6 Weak 2 in New suit F1, 2NT ask 2 2NT 3x values in x, 4x splinter 2NT 7 20-21 bal or semi bal Stayman, Transfers 3./ 6 PRE aggressive NV/V Natural 3/ 6 PRE aggressive NV/V Natural 3NT x Solid minor no Ace or King aside 4. P/C, 4 ask, 4/ to play Can be stronger in 3rd seat 4./ 7 PRE 4/ 7 PRE 4NT x Both minors according to vul 5./ 7 ENCHERES A HAUT PALIER ET CONVENTIONS DE CHELEM RKCB 5 key cards 3041, 5 2 + Q of Trump, 5NT 2 key cards and a void, 6x : 1 or 3 key card and a void Controls and cue-bid, Josephine, 5NT grand slam force 2 .

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