SCHERMER John · SCHWARTZ

419rank
-37.1Butler · 90 bds
-0.41per board
±4.3swing
-1.22vs par /bd · #431/471
-0.13adjusted /bd
Butler per round: -13.4 -24 9.7 -10.1 32.1 -25.8 10.7 -12.2 -4.1by round

vs par split: bidding -0.70 · play -0.52

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted -0.13/bd

Card play — on target: opening leads 82.8% #128 of 469 · declarer play 72.7% #274 of 469 · defence 85.4% #214 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)80.8% (26)
Declarer play50.0% (6)81.2% (16)
Defence100.0% (8)82.5% (40)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 87.5% (8) · ♦ 75.0% (8) · ♣ 71.4% (7)

vs par by strain: NT -1.14 (21) · a suit -1.25 (69)

vs par by level: part-score -0.81 (27) · game -1.39 (57) · slam -1.50 (6)

By role: declaring -0.49/bd (-4.12 vs par · 42) · defending -0.34/bd (+1.31 vs par · 48)

By vulnerability: vulnerable -0.53/bd (-1.61 vs par · 46) · not vulnerable -0.29/bd (-0.82 vs par · 44)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3N.ChambersG.Bilski – T.BrownClosed10-13.4-1.34-1.00
Round 4N.ChambersC.Martel – C.WillenkenOpen10-24.0-2.40-0.80
Round 5N.ChambersJ.Campos – M.Villas-BoasOpen10+9.7+0.97+2.40
Round 8N.ChambersJ.Li – Z.FuClosed10-10.1-1.01-5.00
Round 9N.ChambersJ.Ho – N.ShenClosed10+32.1+3.21+0.20
Round 10N.ChambersJ.George – F.KarwurOpen10-25.8-2.58-2.90
Round 13N.ChambersX.Hu – S.WongClosed10+10.7+1.07+2.30
Round 14N.ChambersD.Poerwanti – F.FelisiaOpen10-12.2-1.22-3.50
Round 15N.ChambersC.Pellegrini – A.WildavskyOpen10-4.1-0.41-2.70

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
+13.3Round 9CHINESE TAIPEI293NT♥Q-7+13
+8.6Round 9CHINESE TAIPEI234♥♠6=+0
+8.3Round 13CHINA JUAN43NT♠K=+0
+7.7Round 5DORSI116♦♥2-2+11
+6.6Round 4FLEISHER44♥♣3=+0
+6.4Round 5DORSI203NT♥7-2+7
+5.8Round 9CHINESE TAIPEI264♠♦J=+0
+5.6Round 8P D TIMES152♠♦4-2+11
+5.6Round 14TELKOM UNIVERSITY165♣♥A-1+6
+5.0Round 10INDONESIA OPEN ME34♠♦Q-5+8
+4.6Round 13CHINA JUAN65♠♣K+1+17
+4.5Round 3OZZIES254♠x♥K-1+0
+4.5Round 13CHINA JUAN33NT♣5=+0
+4.4Round 14TELKOM UNIVERSITY153NT♥6=+0
+3.1Round 9CHINESE TAIPEI273NT♦5+2+11
+3.1Round 15PELLEGRINI254♠♣K-1+5
+2.9Round 13CHINA JUAN94♠♠4+1+0
+2.7Round 9CHINESE TAIPEI213♦♣7+1+0
+2.7Round 15PELLEGRINI273♠♦7-2+0
+2.6Round 9CHINESE TAIPEI286♥♥J=-11
+2.5Round 5DORSI134♥x♣K-1+2
+2.4Round 5DORSI194♠♣10=+0
+2.4Round 8P D TIMES125♦♣J=-1
+2.4Round 14TELKOM UNIVERSITY202♠♦Q=+5
+2.2Round 4FLEISHER13♣♦A=+9
+2.0Round 13CHINA JUAN53NT♦8-1+10
+1.5Round 3OZZIES215♣♠A-1+5
+1.5Round 5DORSI162♠♥10-1+0
+1.3Round 15PELLEGRINI232♣x♦6=+8
+1.1Round 5DORSI144♥♣5=+0
+1.0Round 8P D TIMES143♣♠A=+0
+0.9Round 3OZZIES244♠♥4+1+1
+0.9Round 5DORSI182NT♦2-1+10
+0.8Round 9CHINESE TAIPEI222♠♦3+1+0
+0.8Round 14TELKOM UNIVERSITY171♠♥7+1+0
+0.7Round 4FLEISHER75♦♣10=+1
+0.5Round 8P D TIMES113NT♥6+1-10
+0.4Round 15PELLEGRINI285♠♦J=-13
+0.3Round 8P D TIMES202♥♥4+1+0
+0.2Round 9CHINESE TAIPEI302♠♥8-4-5
+0.1Round 13CHINA JUAN83NT♦5+2+0
+0.1Round 15PELLEGRINI303NT♣A+2-1
-0.1Round 14TELKOM UNIVERSITY145♠♥A+1-8
-0.3Round 3OZZIES271NT♥4=+1
-0.3Round 14TELKOM UNIVERSITY133NT♠8=+0
-0.3Round 15PELLEGRINI222♠♦K-1-7
-0.5Round 3OZZIES305♥♣4=+11
-0.5Round 15PELLEGRINI245♥♦K=+0
-0.6Round 15PELLEGRINI213♥♣J-1-3
-1.1Round 3OZZIES264♥♦Q=+0
-1.1Round 13CHINA JUAN23NT♣J=+0
-1.2Round 10INDONESIA OPEN ME94♦♥Q=+0
-1.3Round 4FLEISHER64♠♥4+1+10
-1.5Round 3OZZIES223♣♠K-1-10
-1.7Round 10INDONESIA OPEN ME15♣♦K+1-11
-1.8Round 10INDONESIA OPEN ME55♦♣3=+1
-2.0Round 10INDONESIA OPEN ME82♥♦4+1-1
-2.1Round 5DORSI125♥♦A=+0
-2.2Round 10INDONESIA OPEN ME23♥♦K=-6
-2.4Round 4FLEISHER105♣♠4=-9
-2.4Round 9CHINESE TAIPEI244♠♥K=+0
-2.6Round 9CHINESE TAIPEI253♥♥6=-6
-2.9Round 8P D TIMES165♦♣9=-7
-2.9Round 13CHINA JUAN74♥♣Q-1-6
-3.0Round 13CHINA JUAN14♠♥2=+0
-3.1Round 8P D TIMES134♠♥3-1-5
-3.2Round 3OZZIES294♠♣2+3-12
-3.2Round 8P D TIMES181NT♠5+1-11
-3.3Round 4FLEISHER34♥♠K-1-5
-3.3Round 10INDONESIA OPEN ME41♥♦K+1+0
-3.6Round 15PELLEGRINI263♦♥Q-1-6
-3.9Round 4FLEISHER23♥♠A+1-1
-4.0Round 14TELKOM UNIVERSITY195♣x♦K=+2
-4.2Round 10INDONESIA OPEN ME62♥♥A+2-6
-4.3Round 8P D TIMES195♦♠4-1-11
-4.5Round 5DORSI153NT♣6-2-8
-4.7Round 13CHINA JUAN106♣♠J=+2
-5.4Round 10INDONESIA OPEN ME71NT♥3-3-4
-5.4Round 14TELKOM UNIVERSITY114♠♥5+2-14
-6.0Round 4FLEISHER54♠♠Q-1-5
-6.2Round 5DORSI176♣♠J=+2
-6.4Round 8P D TIMES173NT♠4-1-16
-6.7Round 15PELLEGRINI293NT♠2-3-10
-6.8Round 3OZZIES283NT♠5-4-3
-6.9Round 3OZZIES234♥♦7=-3
-7.5Round 4FLEISHER84♥♦2+1-8
-7.5Round 14TELKOM UNIVERSITY186♥♠A-1-13
-8.1Round 14TELKOM UNIVERSITY123NT♦A-2-13
-9.0Round 10INDONESIA OPEN ME104♥♦6=-10
-9.1Round 4FLEISHER97♠♠7=+0