COHLER Gary · WOLFSON

159rank
-68.1Butler · 84 bds
-0.81per board
±4.3swing
-1.58vs par /bd · #140/145
-0.30adjusted /bd
Butler per round: 10.6 -6.9 -24.6 -17.4 0.6 -30.4by round

vs par split: bidding -1.05 · play -0.54

Strength of schedule: opponents averaged +0.51/bd (a tough draw) → opponent-adjusted -0.30/bd

Card play — on target: opening leads 78.3% #72 of 145 · declarer play 69.6% #108 of 145 · defence 78.9% #120 of 145

Bidding activity — not a pass: 46.1% #43 of 145 (112/243)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)84.6% (13)
Declarer play50.0% (2)71.4% (21)
Defence64.7% (17)90.5% (21)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 75.0% (4) · ♦ 83.3% (6) · ♣ 66.7% (6)

vs par by strain: NT -0.73 (30) · a suit -2.06 (54)

vs par by level: part-score -0.69 (29) · game -1.64 (52) · slam -9.33 (3)

By role: declaring -0.77/bd (-3.61 vs par · 46) · defending -0.86/bd (+0.87 vs par · 38)

By vulnerability: vulnerable -0.46/bd (-1.48 vs par · 42) · not vulnerable -1.17/bd (-1.69 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.SilvermanS.De Wijs – M.WortelOpen14+10.6+0.76+0.57
Round 3N.SilvermanS.Cope – S.ClementssonOpen14-6.9-0.49-1.29
Round 4N.SilvermanK.Jin – P.ZhuOpen14-24.6-1.76-2.00
Round 5N.SilvermanC.Dwyer Rimstedt – K.Dwyer RimstedtClosed14-17.4-1.24-1.36
Round 7N.SilvermanM.Hutyra – J.StepinskiOpen14+0.6+0.04-1.21
Round 8N.SilvermanS.Shi – J.Seamon-MolsonOpen14-30.4-2.17-4.21

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+13.2Round 1SHOURIE95♦x♥K-5+10
+6.7Round 1SHOURIE134♥♦A+1+0
+6.2Round 7GROUP ONE TEAM74♥♣A=-1
+6.1Round 5MILLENS33NT♠J=+3
+5.9Round 3GUPTA73NT♥T=+10
+5.3Round 1SHOURIE105♥♠K=+10
+5.2Round 1SHOURIE43♥♠K=+0
+4.9Round 7GROUP ONE TEAM25♥♠A=+8
+4.2Round 3GUPTA64♥♦8=-1
+3.6Round 4SHEN173NT♦T=-1
+3.5Round 7GROUP ONE TEAM53NT♣2+2+0
+3.1Round 7GROUP ONE TEAM102♠♣Q=-1
+3.0Round 3GUPTA35♣♠5-2+8
+2.9Round 8ZHANG264♥♦T-1+6
+2.8Round 1SHOURIE73♠♦A-2+8
+2.7Round 4SHEN255♦♥K-1+6
+2.7Round 8ZHANG193♠♥K-2+2
+2.6Round 1SHOURIE83NT♠6=+3
+2.5Round 7GROUP ONE TEAM45♥♠K-1-3
+2.4Round 7GROUP ONE TEAM123NT♥2-1+10
+2.3Round 5MILLENS122NT♠6-2+2
+2.1Round 5MILLENS63NT♥3+2+2
+1.9Round 4SHEN194NT♥A+1+10
+1.7Round 8ZHANG252♥♥6+1+10
+1.4Round 5MILLENS133♦♣A+1+0
+1.3Round 3GUPTA134♥♣2+1-12
+1.3Round 8ZHANG174♥♠6+1+0
+1.2Round 5MILLENS144♠♥3=-1
+0.8Round 4SHEN165♣♠5-1+2
+0.7Round 5MILLENS75♥♠J+1-13
+0.6Round 5MILLENS81♥♣J+1+0
+0.6Round 7GROUP ONE TEAM61NT♣3+2-7
+0.5Round 5MILLENS103♦♥3+1+10
+0.3Round 1SHOURIE123NT♥3+1+0
+0.2Round 8ZHANG232♣♣6+1+1
+0.0Round 1SHOURIE23NT♦A=-3
-0.2Round 4SHEN183♠♦3-1-2
-0.3Round 7GROUP ONE TEAM114♠x♣K-2+4
-0.3Round 8ZHANG274♥♠A+2-11
-0.4Round 3GUPTA103♥♦4+1+10
-0.4Round 3GUPTA123♣♠J=+0
-0.4Round 4SHEN222♦♠A-1+3
-0.7Round 4SHEN213NT♠7+2-12
-0.9Round 1SHOURIE113NT♦2+2+0
-0.9Round 3GUPTA141NT♣J-2-8
-0.9Round 7GROUP ONE TEAM83NT♠5+2-1
-1.1Round 1SHOURIE143NT♦6=+1
-1.2Round 3GUPTA41NT♣2=-5
-1.3Round 3GUPTA82NT♥2+1-1
-1.3Round 8ZHANG182♠♥K+2-8
-1.6Round 8ZHANG221NT♥T-1+1
-1.7Round 7GROUP ONE TEAM13NT♦8+2+0
-1.8Round 4SHEN231NT♦3+2-1
-1.8Round 8ZHANG244♥♦3-1-10
-1.9Round 3GUPTA52♥♠J-1+0
-1.9Round 4SHEN274♠♦4+2-11
-2.0Round 1SHOURIE13NT♣K=+1
-2.0Round 3GUPTA113♠♣K-1-5
-2.0Round 8ZHANG214♠♣K+1+0
-2.1Round 3GUPTA93♣♠3-1+2
-2.5Round 5MILLENS93NT♦3=+2
-2.8Round 1SHOURIE53♥♠J-1+2
-3.0Round 7GROUP ONE TEAM136♥♣2=+0
-3.3Round 7GROUP ONE TEAM33NT♠3-2-6
-3.4Round 5MILLENS53NT♦4=+0
-4.2Round 3GUPTA23♠♥A=-10
-4.3Round 4SHEN243NT♠6+1-1
-4.3Round 4SHEN282NT♠Q-1-5
-4.4Round 5MILLENS12♥♣A-2-11
-4.6Round 4SHEN265♥♠5-1+3
-4.6Round 8ZHANG154♥x♣K+1-10
-4.8Round 5MILLENS114♠♥A-2-11
-5.8Round 7GROUP ONE TEAM145♦x♥Q-2-9
-6.8Round 8ZHANG164♠♣3-1-10
-6.9Round 3GUPTA15♣♦K=-6
-7.0Round 4SHEN154♥♦A-1-12
-7.6Round 1SHOURIE65♣♥A+1-13
-7.6Round 7GROUP ONE TEAM95♦x♠K-2-11
-8.0Round 5MILLENS45♦♠8=+1
-8.4Round 4SHEN201♠♣J-4-7
-9.2Round 5MILLENS23NT♠6=-3
-10.2Round 8ZHANG203NT♦2-2-13
-10.6Round 8ZHANG286♦♥9-2-17
-11.1Round 1SHOURIE36♥♣K=-11