CORNELL Michael · NEW ZEALAND Open

458rank
-30.3Butler · 130 bds
-0.23per board
±4.4swing
-0.08vs par /bd · #305/567
-0.10adjusted /bd
Butler per round: -17.2 3.2 17.5 4.2 7 -16.6 -3 -6.4 -2.7 12 -40 10 1.7by round

vs par split: bidding +0.02 · play -0.02

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -0.10/bd

Card play — on target: opening leads 80.8% #262 of 567 · declarer play 66.0% #509 of 567 · defence 86.8% #134 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)88.2% (17)
Declarer play50.0% (12)71.4% (35)
Defence77.8% (18)91.4% (35)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 75.0% (4) · ♦ 87.5% (8) · ♣ 100.0% (6)

vs par by strain: NT -0.68 (37) · a suit +0.16 (93)

vs par by level: part-score -0.05 (57) · game -0.48 (67) · slam +4.17 (6)

By role: declaring -0.37/bd (-1.68 vs par · 77) · defending -0.04/bd (+2.25 vs par · 53)

By vulnerability: vulnerable -0.44/bd (-0.39 vs par · 65) · not vulnerable -0.03/bd (+0.23 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3A.BachX.Fang – J.CaiOpen10-17.2-1.72-2.80
Round 4A.BachL.Zhou – J.JinClosed10+3.2+0.32+0.20
Round 5A.BachX.Li – Y.WuClosed10+17.5+1.75+2.50
Round 6A.BachK.Fan – P.TsaiClosed10+4.2+0.42-1.10
Round 7A.BachL.Zhang – S.LiuOpen10+7.0+0.70-2.50
Round 8A.BachJ.Li – J.HuClosed10-16.6-1.66-1.60
Round 9A.BachA.Braithwaite – A.De LiveraClosed10-3.0-0.30+3.30
Round 10A.BachG.Xin – H.JiangClosed10-6.4-0.64+1.50
Round 11A.BachJ.Zhao – Y.ZhangClosed10-2.7-0.27+0.10
Round 12A.BachM.Rosenberg – M.LairOpen10+12.0+1.20+1.40
Round 13A.BachB.Drijver – S.BrinkOpen10-40.0-4.00-2.20
Round 14A.BachS.Shao – Y.WuClosed10+10.0+1.00+2.40
Round 15A.BachI.Grzejdziak – S.GrzejdziakClosed10+1.7+0.17-2.20

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
+14.5Round 7WARHORSE44♠x♦K=+15
+12.0Round 14SHANGHAI GUHUA121♥x♥K-4+12
+11.5Round 12USA 2 Seniors226♣♦J-1+14
+9.8Round 12USA 2 Seniors264♥♣8=+10
+9.2Round 15POLAND Mixed274♥x♦A=+10
+7.1Round 15POLAND Mixed303NT♠7=+6
+6.8Round 10SAN CHEN FUND23♠♥A+1+8
+6.6Round 11ZHEJIANGQIANTANG154♠♦5-1+13
+6.5Round 6CHINESE TAIPEI Mixed296♠♥10=+0
+6.5Round 15POLAND Mixed263NT♣Q+1+0
+5.8Round 7WARHORSE94♥♦8+1-12
+5.3Round 11ZHEJIANGQIANTANG145♣♥3-1+5
+5.0Round 4JILIN BA43NT♠Q+1-1
+5.0Round 5FUJIAN BOSSSOFT133NT♦6+1+0
+5.0Round 5FUJIAN BOSSSOFT194♠♦3-2+6
+4.8Round 9AUSTRALIA MIXED214♥♠J+1+1
+4.6Round 14SHANGHAI GUHUA133♥♠Q=+6
+4.5Round 14SHANGHAI GUHUA154♠♥3=+11
+4.4Round 5FUJIAN BOSSSOFT174♠♣5-1+5
+4.1Round 6CHINESE TAIPEI Mixed283NT♦6-1+6
+4.1Round 15POLAND Mixed231NT♦6-1+5
+4.0Round 11ZHEJIANGQIANTANG193NT♦2=+0
+3.6Round 4JILIN BA25♥♦A=+6
+3.3Round 9AUSTRALIA MIXED304♠♦Q-2+11
+3.3Round 12USA 2 Seniors302♣♦A-3+0
+2.8Round 3ONE ESSENTIAL OF RED283NT♠2+2+0
+2.7Round 3ONE ESSENTIAL OF RED214♥♣6=-1
+2.6Round 14SHANGHAI GUHUA173NT♥J+3+1
+2.5Round 11ZHEJIANGQIANTANG183♥♠3-2+3
+2.3Round 7WARHORSE71NT♦7-2+3
+2.2Round 7WARHORSE103♥♦4-1-1
+2.1Round 3ONE ESSENTIAL OF RED223NT♣2-2+6
+1.9Round 9AUSTRALIA MIXED243♥♦5-2+5
+1.7Round 5FUJIAN BOSSSOFT183NT♠6-1+6
+1.6Round 5FUJIAN BOSSSOFT152♥♠K=+5
+1.4Round 14SHANGHAI GUHUA141NT♠2+1+0
+1.3Round 6CHINESE TAIPEI Mixed213NT♥J-2-5
+1.3Round 10SAN CHEN FUND102♠♥10=+0
+1.3Round 12USA 2 Seniors284♥♦J+2-11
+1.2Round 11ZHEJIANGQIANTANG173♥♠2-1+8
+1.0Round 3ONE ESSENTIAL OF RED253♣♠3-2+5
+1.0Round 13SWISS TEAM74♠♠2=-1
+0.9Round 4JILIN BA62♥♠7-1+0
+0.9Round 6CHINESE TAIPEI Mixed243♦♣7=+0
+0.9Round 9AUSTRALIA MIXED234♥x♦K-3+14
+0.7Round 9AUSTRALIA MIXED255♥♠8+2+10
+0.6Round 4JILIN BA34♥♠K+2+11
+0.6Round 5FUJIAN BOSSSOFT161NT♠Q=+7
+0.6Round 6CHINESE TAIPEI Mixed232♠♠4=-1
+0.5Round 8JSQX NJZS BRIDGECLUB192♦♥Q=+7
+0.4Round 4JILIN BA54♠♥A+1+1
+0.4Round 5FUJIAN BOSSSOFT202♠♣2+1+0
+0.4Round 7WARHORSE83NT♠J+2-10
+0.3Round 4JILIN BA14♥♠K+1+0
+0.3Round 12USA 2 Seniors232♥♥9+1+0
+0.2Round 5FUJIAN BOSSSOFT111NT♥9+2+0
+0.2Round 6CHINESE TAIPEI Mixed263♣♣8-1+1
+0.2Round 6CHINESE TAIPEI Mixed302♥♣K+2-6
+0.2Round 7WARHORSE13♥♦5-1-2
+0.0Round 5FUJIAN BOSSSOFT121NT♦6-1+2
+0.0Round 8JSQX NJZS BRIDGECLUB114♠♥A+1+0
-0.0Round 8JSQX NJZS BRIDGECLUB143NT♦7+2+0
+0.0Round 10SAN CHEN FUND86NT♣7=+11
+0.0Round 12USA 2 Seniors292♠♣7+1+0
+0.0Round 14SHANGHAI GUHUA182♠x♣K-3+0
-0.1Round 4JILIN BA72♠♣K+2-1
-0.2Round 10SAN CHEN FUND33♣♦3+2+6
-0.2Round 15POLAND Mixed243NT♠5+2+0
-0.3Round 3ONE ESSENTIAL OF RED245♦♥3=-2
-0.3Round 13SWISS TEAM23♠♠2-1+10
-0.5Round 8JSQX NJZS BRIDGECLUB153NT♠9+1+0
-0.5Round 9AUSTRALIA MIXED263NT♦Q+2+12
-0.5Round 15POLAND Mixed253NT♦A+1+0
-0.6Round 11ZHEJIANGQIANTANG202♠♠3+1-1
-0.7Round 14SHANGHAI GUHUA193♣♦K-1+0
-0.8Round 7WARHORSE33♦♥10=+0
-1.0Round 10SAN CHEN FUND43♠♥5-1+1
-1.0Round 12USA 2 Seniors212♠♦K=+0
-1.1Round 3ONE ESSENTIAL OF RED265♥♠J+1-13
-1.2Round 9AUSTRALIA MIXED282♥♣10-1-4
-1.4Round 5FUJIAN BOSSSOFT142♣♣2-2-6
-1.5Round 6CHINESE TAIPEI Mixed275♥♠6-2+5
-1.5Round 10SAN CHEN FUND91NT♥K=-5
-1.5Round 13SWISS TEAM103♥♠5-1-6
-1.6Round 4JILIN BA101NT♠4+1-1
-1.6Round 9AUSTRALIA MIXED292♠♣5+2+1
-1.7Round 4JILIN BA82♥♥3-1-4
-1.7Round 8JSQX NJZS BRIDGECLUB185♦♣5=+2
-1.7Round 12USA 2 Seniors256♦♠8+1+11
-1.9Round 8JSQX NJZS BRIDGECLUB175♦♥6-2-5
-1.9Round 13SWISS TEAM93NT♥5+3-3
-1.9Round 14SHANGHAI GUHUA113NT♣8=+1
-2.1Round 10SAN CHEN FUND11NT♦10-1+1
-2.3Round 8JSQX NJZS BRIDGECLUB133♠♠3-2-2
-2.4Round 10SAN CHEN FUND64♠♣10-1-6
-2.4Round 14SHANGHAI GUHUA203♥♦K-1+1
-2.5Round 7WARHORSE22♠♦8-2+0
-2.5Round 15POLAND Mixed283NT♦7+3-11
-2.7Round 3ONE ESSENTIAL OF RED274♥♠2=-3
-3.2Round 15POLAND Mixed293♠♦4-1-9
-3.3Round 6CHINESE TAIPEI Mixed253NT♠4-2-7
-3.4Round 10SAN CHEN FUND52♠♦3=+0
-3.5Round 8JSQX NJZS BRIDGECLUB163NT♥9-2-7
-3.5Round 13SWISS TEAM14♥♣J=+0
-3.6Round 8JSQX NJZS BRIDGECLUB124♥♦K+2-11
-3.6Round 8JSQX NJZS BRIDGECLUB203♥♣J-1+0
-3.7Round 3ONE ESSENTIAL OF RED293♠♥J+1+1
-3.9Round 10SAN CHEN FUND73NT♦8+1-1
-4.2Round 4JILIN BA92♦♦6-3-9
-4.5Round 13SWISS TEAM86♦♠9=+0
-4.6Round 11ZHEJIANGQIANTANG133NT♠5=-10
-4.7Round 11ZHEJIANGQIANTANG123♥♣K+1-6
-4.8Round 6CHINESE TAIPEI Mixed222♠♥K-3-4
-4.9Round 9AUSTRALIA MIXED274♠♠6-1-10
-5.1Round 11ZHEJIANGQIANTANG115♦♣4-1-4
-5.6Round 12USA 2 Seniors274♥♥J-1-10
-5.7Round 13SWISS TEAM54♥♥2-1+2
-5.9Round 12USA 2 Seniors244♠♣A+1+0
-6.2Round 13SWISS TEAM64♥♣3=+0
-6.4Round 9AUSTRALIA MIXED223NT♠9=-7
-6.8Round 13SWISS TEAM33NT♦2-1-12
-6.9Round 15POLAND Mixed223NT♥6-1-12
-7.3Round 7WARHORSE64♥x♠A-3-9
-7.3Round 11ZHEJIANGQIANTANG164♥♣4=-7
-7.8Round 3ONE ESSENTIAL OF RED232♣x♥2+1-10
-7.8Round 7WARHORSE55♣x♦7-2-9
-10.1Round 14SHANGHAI GUHUA165♥x♣A-2-8
-10.2Round 3ONE ESSENTIAL OF RED306♥♥2-1-11
-10.6Round 13SWISS TEAM43♥x♥2-2-12
-11.9Round 15POLAND Mixed213♥x♦6=-11