🇺🇸 WOLFSON Jeff · USA2

15rank
+17.3Butler · 112 bds
+0.15per board
±5.0swing
-0.24vs par /bd
+0.16adjusted /bd
Butler per round: -14 -14 23.7 23.7 23.7 7.6 7.6by round

vs par split: bidding +0.26 · play -0.50

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.16/bd

Card play — on target: opening leads 86.4% · declarer play 84.0% · defence 83.1%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (6)81.2% (16)
Declarer play71.4% (7)88.9% (18)
Defence86.7% (15)81.8% (44)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (4) · ♦ 100.0% (3) · ♣ 81.8% (11)

vs par by strain: NT +0.43 (28) · a suit -0.46 (84)

vs par by level: part-score +0.35 (46) · game -0.47 (57) · slam -1.78 (9)

By role: declaring +0.28/bd (-3.72 vs par · 53) · defending +0.04/bd (+2.88 vs par · 59)

By vulnerability: vulnerable +0.10/bd (-0.34 vs par · 56) · not vulnerable +0.21/bd (-0.14 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalN.SilvermanM.Ino – K.YamadaClosed16-1.7-0.11+2.50
QuarterfinalN.SilvermanA.Yamada – K.OhnoClosed16-12.3-0.77-1.25
SemifinalN.SilvermanM.Axdorph – B.EfraimssonOpen16+24.3+1.52-0.25
SemifinalN.SilvermanS.Bjerregard – A.MorathOpen16+5.6+0.35+0.31
SemifinalN.SilvermanS.Bjerregard – A.MorathOpen16-6.2-0.39-1.56
FinalN.SilvermanA.Comella – S.SabbatiniClosed16+1.2+0.07+0.69
FinalN.SilvermanA.Mina – R.PulgaOpen16+6.4+0.40-2.12

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
+14.3Semifinal🇸🇪 SWEDEN224♥x♦7-4+17
+11.0Semifinal🇸🇪 SWEDEN472♦♣8+1+11
+10.3Final🇮🇹 ITALY203♣♠K+2+11
+9.7Final🇮🇹 ITALY285♦♥6=+7
+8.7Semifinal🇸🇪 SWEDEN194♠x♦K-1+5
+8.4Quarterfinal🇯🇵 JAPAN424♥x♦Q-1+13
+8.3Semifinal🇸🇪 SWEDEN325♦x♦10+1-4
+8.3Semifinal🇸🇪 SWEDEN483♥♦A-2+8
+8.0Final🇮🇹 ITALY375♥x♣A=+8
+7.7Final🇮🇹 ITALY392NT♣2-3+9
+7.4Quarterfinal🇯🇵 JAPAN175♣x♠K-2+9
+6.7Semifinal🇸🇪 SWEDEN773NT♠2+1+0
+5.6Quarterfinal🇯🇵 JAPAN213NT♥3-2+7
+5.3Semifinal🇸🇪 SWEDEN433♣♥9+1+1
+5.3Final🇮🇹 ITALY484♥♣K-1+12
+5.1Quarterfinal🇯🇵 JAPAN343NT♥J-4+6
+5.0Final🇮🇹 ITALY182♣♠6=+5
+4.0Semifinal🇸🇪 SWEDEN311♠♦K+1+5
+4.0Semifinal🇸🇪 SWEDEN754♠♦A=+0
+3.7Quarterfinal🇯🇵 JAPAN181NT♠Q=-1
+3.7Semifinal🇸🇪 SWEDEN453♣♦7=+0
+3.6Quarterfinal🇯🇵 JAPAN361NT♥5-1+5
+3.3Semifinal🇸🇪 SWEDEN264♠x♥6-4-8
+3.3Semifinal🇸🇪 SWEDEN691NT♠A+2+7
+3.3Final🇮🇹 ITALY222♠♦K-1+4
+3.1Quarterfinal🇯🇵 JAPAN403♥♣K+1+7
+2.9Quarterfinal🇯🇵 JAPAN465♣♥A-2+5
+2.7Semifinal🇸🇪 SWEDEN393♥♣A+1+10
+2.7Semifinal🇸🇪 SWEDEN671NT♠3=-2
+2.7Final🇮🇹 ITALY293NT♣J-3+14
+2.7Final🇮🇹 ITALY472♣♦K-1+4
+2.3Quarterfinal🇯🇵 JAPAN265♦♠10+1+13
+2.1Quarterfinal🇯🇵 JAPAN386♦♦2+1-1
+2.0Semifinal🇸🇪 SWEDEN272♥♦5+2+6
+2.0Semifinal🇸🇪 SWEDEN342♦♠Q-1+4
+2.0Semifinal🇸🇪 SWEDEN463♣♥6+1+0
+1.7Semifinal🇸🇪 SWEDEN283♠♥A=+0
+1.7Semifinal🇸🇪 SWEDEN783NT♥10=+11
+1.6Quarterfinal🇯🇵 JAPAN471NT♥4=-7
+1.3Quarterfinal🇯🇵 JAPAN253♣♦Q+1+7
+1.3Final🇮🇹 ITALY234NT♥3=+1
+1.1Quarterfinal🇯🇵 JAPAN243♦♣3=-1
+1.0Quarterfinal🇯🇵 JAPAN442♥♣K+1+0
+1.0Semifinal🇸🇪 SWEDEN293♣♣9=-1
+1.0Semifinal🇸🇪 SWEDEN413♥♠10+1-1
+1.0Final🇮🇹 ITALY264NT♣Q+2-13
+1.0Final🇮🇹 ITALY344♥♣K-1-6
+0.9Quarterfinal🇯🇵 JAPAN303NT♥Q=+11
+0.7Quarterfinal🇯🇵 JAPAN224♠x♥7-1+0
+0.7Quarterfinal🇯🇵 JAPAN294♥♠4+1+1
+0.7Semifinal🇸🇪 SWEDEN303NT♠3+2+0
+0.7Semifinal🇸🇪 SWEDEN732♠♣3+1-6
+0.7Final🇮🇹 ITALY352♠♦J=+1
+0.3Semifinal🇸🇪 SWEDEN352♠♥A+2+1
+0.3Semifinal🇸🇪 SWEDEN404♠♥K+2-11
+0.3Semifinal🇸🇪 SWEDEN443NT♠J+1+1
+0.3Semifinal🇸🇪 SWEDEN794♥♣K+1+0
-0.0Quarterfinal🇯🇵 JAPAN196♠♦6-1+11
-0.0Quarterfinal🇯🇵 JAPAN236♠♥K=-12
-0.0Quarterfinal🇯🇵 JAPAN285♥♦A=+0
-0.0Quarterfinal🇯🇵 JAPAN485♦♣K-1-6
+0.0Semifinal🇸🇪 SWEDEN174♠♣K-1+10
+0.0Semifinal🇸🇪 SWEDEN204♠♣A+1+0
+0.0Semifinal🇸🇪 SWEDEN424♥♥5+1+0
+0.0Semifinal🇸🇪 SWEDEN654♠♣A+2+11
+0.0Semifinal🇸🇪 SWEDEN764♠♣J+1+0
-0.0Final🇮🇹 ITALY194♠♦A-1-6
+0.0Final🇮🇹 ITALY413NT♣4-1+6
+0.0Final🇮🇹 ITALY424♠♥K+2-13
+0.0Final🇮🇹 ITALY444♠♦A=+0
+0.0Final🇮🇹 ITALY462NT♠10-2+0
-0.3Final🇮🇹 ITALY363NT♣5+1+0
-0.4Quarterfinal🇯🇵 JAPAN353♥♣K+1+6
-0.7Semifinal🇸🇪 SWEDEN253♠♣5=-6
-0.7Final🇮🇹 ITALY454♥♦2+1-13
-1.0Quarterfinal🇯🇵 JAPAN323NT♥10=+0
-1.3Semifinal🇸🇪 SWEDEN722♦♦7+1+0
-1.3Final🇮🇹 ITALY404♥♦A-2-6
-1.7Final🇮🇹 ITALY315♦♠A-1-5
-1.7Final🇮🇹 ITALY383♣♠A+3-13
-2.0Semifinal🇸🇪 SWEDEN713NT♣3-1-6
-2.0Semifinal🇸🇪 SWEDEN743NT♦2-2-7
-2.3Final🇮🇹 ITALY333NT♥Q=-11
-2.7Semifinal🇸🇪 SWEDEN664♥♣5=-7
-2.7Final🇮🇹 ITALY213♦♠A=+0
-2.7Final🇮🇹 ITALY244♥♠10+2-1
-2.9Quarterfinal🇯🇵 JAPAN432♥♥Q=-6
-3.0Semifinal🇸🇪 SWEDEN804♠♥2-1-5
-3.0Final🇮🇹 ITALY272♠♠6=-6
-3.7Quarterfinal🇯🇵 JAPAN336♥♦7-1-14
-3.7Final🇮🇹 ITALY306♠♥A+1+11
-3.9Quarterfinal🇯🇵 JAPAN311♥♣J-2-5
-4.0Semifinal🇸🇪 SWEDEN211NT♠3+1-6
-4.0Semifinal🇸🇪 SWEDEN234♠♣5-1-12
-4.0Final🇮🇹 ITALY172♥♠6=-6
-4.3Semifinal🇸🇪 SWEDEN183♦♠A-3-5
-4.3Semifinal🇸🇪 SWEDEN683♦♥J=-9
-4.3Final🇮🇹 ITALY253NT♥2-2-7
-4.4Quarterfinal🇯🇵 JAPAN372♥♠9=+0
-5.7Semifinal🇸🇪 SWEDEN363♦♠A=+1
-6.0Semifinal🇸🇪 SWEDEN373NT♥4+1-1
-6.7Semifinal🇸🇪 SWEDEN243NT♦10-1-5
-7.1Quarterfinal🇯🇵 JAPAN414♠x♥5=-5
-8.6Quarterfinal🇯🇵 JAPAN392♠♣6+2-10
-9.3Semifinal🇸🇪 SWEDEN334♣♥10=-6
-9.4Quarterfinal🇯🇵 JAPAN277NT♣6=+0
-10.0Final🇮🇹 ITALY326♦♦6=+2
-10.3Semifinal🇸🇪 SWEDEN385♠x♥K=-13
-10.3Semifinal🇸🇪 SWEDEN705♣x♥5-4-12
-11.1Quarterfinal🇯🇵 JAPAN206♥♦A=+0
-12.7Final🇮🇹 ITALY434♠x♣9-3-12
-13.0Quarterfinal🇯🇵 JAPAN456♥♦A=-13