🇵🇱 KOWALSKI Apolinary · POLAND

11rank
+71.7Butler · 192 bds
+0.37per board
±5.5swing
+0.48vs par /bd · #1/12
+0.27adjusted /bd
Butler per round: 4.2 4.2 37.5 37.5 37.5 37.5 37.5 30 30 30 30 30by round

vs par split: bidding +0.35 · play +0.12

Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.27/bd

Card play — on target: opening leads 68.4% #11 of 12 · declarer play 78.1% #6 of 12 · defence 92.9% #1 of 12

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)67.9% (28)
Declarer play66.7% (9)82.6% (23)
Defence84.6% (26)95.8% (72)

Opening leads by suit led: ♠ 60.0% (10) · ♥ 62.5% (8) · ♦ 72.7% (11) · ♣ 77.8% (9)

vs par by strain: NT -0.49 (55) · a suit +0.87 (137)

vs par by level: part-score -0.33 (64) · game +0.40 (114) · slam +4.86 (14)

By role: declaring +0.19/bd (-1.82 vs par · 94) · defending +0.55/bd (+2.68 vs par · 98)

By vulnerability: vulnerable -0.09/bd (-0.38 vs par · 96) · not vulnerable +0.83/bd (+1.33 vs par · 96)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalJ.RomanskiA.Stoyanov – H.HristovClosed16+4.4+0.28-0.44
QuarterfinalJ.RomanskiK.Simeonov – Z.NedelchevClosed16-0.2-0.01+1.88
SemifinalJ.RomanskiJ.Hansen – S.SchouClosed16+3.8+0.24-0.94
SemifinalJ.RomanskiJ.Hansen – S.SchouClosed16+13.9+0.87+3.06
SemifinalJ.RomanskiP.Schaltz – D.SchaltzClosed16-10.0-0.62+0.38
SemifinalJ.RomanskiS.Schou – J.HansenOpen16+0.7+0.04-0.44
SemifinalJ.RomanskiD.Schaltz – P.SchaltzOpen16+29.1+1.82+1.06
FinalJ.RomanskiS.Das – S.SahaOpen16+18.0+1.12+1.62
FinalJ.RomanskiR.Krishnan – A.GoelClosed16+10.0+0.62-0.31
FinalJ.RomanskiA.Padhye – R.DalalOpen16-10.0-0.62+0.44
FinalJ.RomanskiS.Saha – S.DasClosed16+29.0+1.81+1.00
FinalJ.RomanskiR.Krishnan – A.GoelClosed16-17.0-1.06-1.56

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
+15.0Final🇮🇳 INDIA555♥x♣8-3+12
+14.0Final🇮🇳 INDIA726♣♥2-1+14
+14.0Final🇮🇳 INDIA735♥♣10-2+13
+13.0Semifinal🇩🇰 DENMARK714♥♠3=+10
+13.0Semifinal🇩🇰 DENMARK956♥♦K-1+13
+13.0Final🇮🇳 INDIA676♣♦4+1+13
+12.7Semifinal🇩🇰 DENMARK904♥♣K=-1
+12.0Final🇮🇳 INDIA313NT♠10=+0
+11.0Final🇮🇳 INDIA245♣♣4=+11
+10.0Final🇮🇳 INDIA63NT♠A-1+10
+10.0Final🇮🇳 INDIA74♥♣3+1+0
+10.0Final🇮🇳 INDIA643NT♣5-1+10
+10.0Final🇮🇳 INDIA854♥♥10+1+4
+9.3Quarterfinal🇧🇬 BULGARIA296♠♣J+1+13
+9.0Final🇮🇳 INDIA321NT♥2-3+5
+9.0Final🇮🇳 INDIA711♥♣2-1+12
+8.3Semifinal🇩🇰 DENMARK474♥♣6=+10
+8.0Semifinal🇩🇰 DENMARK744♠♣5=+0
+8.0Final🇮🇳 INDIA494♥♠3+1+11
+6.7Quarterfinal🇧🇬 BULGARIA256♠♣Q=+11
+6.7Semifinal🇩🇰 DENMARK544♠♦J=+7
+6.3Semifinal🇩🇰 DENMARK372♥♦Q=+5
+6.3Semifinal🇩🇰 DENMARK394♥♠2-1+12
+6.0Final🇮🇳 INDIA115♣♠9=+1
+6.0Final🇮🇳 INDIA303♦♠10-1+2
+5.3Quarterfinal🇧🇬 BULGARIA445♣♥A+1+10
+5.1Quarterfinal🇧🇬 BULGARIA435♦x♥K+1+8
+5.0Semifinal🇩🇰 DENMARK114♥♠A=+0
+5.0Semifinal🇩🇰 DENMARK862♥♣K=+0
+5.0Final🇮🇳 INDIA122♠♥5=+0
+5.0Final🇮🇳 INDIA195♠x♦K-1+9
+4.3Semifinal🇩🇰 DENMARK106♠♥8+1-13
+4.3Semifinal🇩🇰 DENMARK403NT♥5+1+0
+4.0Semifinal🇩🇰 DENMARK343NT♦5=+7
+4.0Semifinal🇩🇰 DENMARK514♥♦8-2+1
+4.0Semifinal🇩🇰 DENMARK763♠♦K=+0
+4.0Final🇮🇳 INDIA152♠♠J=+5
+4.0Final🇮🇳 INDIA161♠x♠4-4+5
+3.7Semifinal🇩🇰 DENMARK143NT♥4+1+1
+3.7Semifinal🇩🇰 DENMARK151NT♠2+1+0
+3.7Semifinal🇩🇰 DENMARK362♦♠A+2+11
+3.3Semifinal🇩🇰 DENMARK563NT♣A-1+5
+3.3Semifinal🇩🇰 DENMARK603♠♥4-2+6
+3.3Semifinal🇩🇰 DENMARK824♥♠J=+10
+3.1Quarterfinal🇧🇬 BULGARIA241NT♠5+1+0
+3.0Quarterfinal🇧🇬 BULGARIA283NT♥A-1+6
+3.0Quarterfinal🇧🇬 BULGARIA343♦♣K=+0
+3.0Quarterfinal🇧🇬 BULGARIA354♦♣K=+1
+3.0Final🇮🇳 INDIA15♣♥7-3+7
+3.0Final🇮🇳 INDIA102♦♥A=+0
+3.0Final🇮🇳 INDIA702♠♥A-3+5
+2.7Semifinal🇩🇰 DENMARK644♥x♦Q=+5
+2.7Semifinal🇩🇰 DENMARK693♥♣7-1+0
+2.7Semifinal🇩🇰 DENMARK961NT♥K-2+0
+2.3Semifinal🇩🇰 DENMARK383NT♥Q-1+5
+2.3Semifinal🇩🇰 DENMARK732NT♠7+1+1
+2.0Final🇮🇳 INDIA764♥♦A-2+0
+2.0Final🇮🇳 INDIA873NT♥Q=+2
+2.0Final🇮🇳 INDIA912NT♣4=+0
+1.7Quarterfinal🇧🇬 BULGARIA202NT♥3-1+5
+1.7Quarterfinal🇧🇬 BULGARIA261NT♠4-1-11
+1.7Semifinal🇩🇰 DENMARK574♠♥3=-3
+1.7Semifinal🇩🇰 DENMARK773NT♠10+2+4
+1.7Semifinal🇩🇰 DENMARK812NT♥10=+6
+1.7Semifinal🇩🇰 DENMARK844♦♠3-1+6
+1.6Quarterfinal🇧🇬 BULGARIA484♠♥4+1+8
+1.3Semifinal🇩🇰 DENMARK833NT♠10-1-5
+1.3Semifinal🇩🇰 DENMARK921NT♣4=-1
+1.3Semifinal🇩🇰 DENMARK943NT♥2+3+2
+1.0Semifinal🇩🇰 DENMARK355♣♦A-4+7
+1.0Final🇮🇳 INDIA24♥♦Q-1-5
+1.0Final🇮🇳 INDIA84♠♦3+1+1
+1.0Final🇮🇳 INDIA202♥♣2+3-9
+1.0Final🇮🇳 INDIA613NT♠6+1-1
+1.0Final🇮🇳 INDIA652NT♥5+2-6
+1.0Final🇮🇳 INDIA694♥♦Q=+0
+1.0Final🇮🇳 INDIA834♥♥6+2+1
+1.0Final🇮🇳 INDIA843NT♦5+2+13
+1.0Final🇮🇳 INDIA903♣♠K+2+0
+1.0Final🇮🇳 INDIA955♣♠5+2+0
+0.9Quarterfinal🇧🇬 BULGARIA313NT♠7=+0
+0.7Quarterfinal🇧🇬 BULGARIA474♥♠2-2+0
+0.7Semifinal🇩🇰 DENMARK61NT♥A-1+5
+0.7Semifinal🇩🇰 DENMARK722♥♣5=+1
+0.7Semifinal🇩🇰 DENMARK854♠♥A+2-11
+0.6Quarterfinal🇧🇬 BULGARIA374♥♦K+1+0
+0.6Quarterfinal🇧🇬 BULGARIA464♠♥6-2+6
+0.1Quarterfinal🇧🇬 BULGARIA183NT♥3+2+0
+0.1Quarterfinal🇧🇬 BULGARIA384♠♦K+1+0
-0.0Quarterfinal🇧🇬 BULGARIA336♠♣6+1+11
+0.0Semifinal🇩🇰 DENMARK32♠♣A-1-4
+0.0Semifinal🇩🇰 DENMARK43NT♥A+2+0
+0.0Semifinal🇩🇰 DENMARK54♥♦3+1+0
+0.0Semifinal🇩🇰 DENMARK72♠♠6+1-7
+0.0Semifinal🇩🇰 DENMARK136♠♥Q=+0
+0.0Semifinal🇩🇰 DENMARK424♠♣K+1+0
+0.0Semifinal🇩🇰 DENMARK444♥♠3+1+0
+0.0Semifinal🇩🇰 DENMARK614♥♦7+1+0
-0.0Semifinal🇩🇰 DENMARK703NT♦6+2+0
-0.0Semifinal🇩🇰 DENMARK752♥♥4=+0
-0.0Semifinal🇩🇰 DENMARK894♠♦8=+0
-0.0Final🇮🇳 INDIA95♥x♠K-2+5
-0.0Final🇮🇳 INDIA136♥♠8=-8
+0.0Final🇮🇳 INDIA216♦♣5=+0
+0.0Final🇮🇳 INDIA225♦♠6-1+9
+0.0Final🇮🇳 INDIA234♠♦2+2-1
+0.0Final🇮🇳 INDIA253NT♥3+2+1
+0.0Final🇮🇳 INDIA263NT♦6=-3
+0.0Final🇮🇳 INDIA281NT♠2-2-3
-0.0Final🇮🇳 INDIA514♥♦K+2-12
-0.0Final🇮🇳 INDIA563♥♠3-1+3
-0.0Final🇮🇳 INDIA574♠♣2+1+0
-0.0Final🇮🇳 INDIA601NT♥K=-1
-0.0Final🇮🇳 INDIA624♥♦2-2+0
-0.0Final🇮🇳 INDIA636♥♣3-1+20
+0.0Final🇮🇳 INDIA744♠♥K-1+6
+0.0Final🇮🇳 INDIA755♦x♣A-2-9
+0.0Final🇮🇳 INDIA774♠♣A-2+8
+0.0Final🇮🇳 INDIA782♠♣A+1+0
+0.0Final🇮🇳 INDIA791NT♥4-1-2
+0.0Final🇮🇳 INDIA804♥♥5+1-11
+0.0Final🇮🇳 INDIA814♠♥4-1-5
+0.0Final🇮🇳 INDIA864♠♦Q=+0
+0.0Final🇮🇳 INDIA882♠♥5=+0
+0.0Final🇮🇳 INDIA893♣♥A+2-6
+0.0Final🇮🇳 INDIA961NT♠3+1-7
-0.1Quarterfinal🇧🇬 BULGARIA393NT♥10+1+0
-0.3Semifinal🇩🇰 DENMARK484♠♦4+1-1
-0.3Semifinal🇩🇰 DENMARK622♠♥K=-1
-0.3Semifinal🇩🇰 DENMARK874♠♦3+1+0
-0.7Quarterfinal🇧🇬 BULGARIA194♥♦10-3-8
-0.7Quarterfinal🇧🇬 BULGARIA321NT♠4=+0
-0.7Semifinal🇩🇰 DENMARK164♠♥2+2-1
-1.0Quarterfinal🇧🇬 BULGARIA362♥♦4-1+11
-1.0Semifinal🇩🇰 DENMARK24♥♠Q+2+11
-1.0Semifinal🇩🇰 DENMARK594♥♦6+2+11
-1.0Semifinal🇩🇰 DENMARK633NT♠5+1-1
-1.0Final🇮🇳 INDIA144NT♦5+2+14
-1.0Final🇮🇳 INDIA173NT♥J+1-1
-1.0Final🇮🇳 INDIA534♥♣Q=-3
-1.1Quarterfinal🇧🇬 BULGARIA452♣♣3-1+0
-1.3Semifinal🇩🇰 DENMARK12♦♠Q+3+7
-1.3Semifinal🇩🇰 DENMARK432♥♦A+1+0
-1.4Quarterfinal🇧🇬 BULGARIA214♥♦5-1-5
-1.9Quarterfinal🇧🇬 BULGARIA234♠♥8+1+0
-2.0Quarterfinal🇧🇬 BULGARIA305♥♠10-2-5
-2.0Semifinal🇩🇰 DENMARK532♠♥Q+2-8
-2.0Semifinal🇩🇰 DENMARK654♥♠8=+0
-2.0Semifinal🇩🇰 DENMARK682NT♠5=-6
-2.0Final🇮🇳 INDIA503NT♥5-3-2
-2.3Quarterfinal🇧🇬 BULGARIA412♥♠7=-1
-2.6Quarterfinal🇧🇬 BULGARIA174♥♣2=+0
-2.7Semifinal🇩🇰 DENMARK414♥♦4-2+0
-2.7Semifinal🇩🇰 DENMARK582♣♠Q+2+0
-2.7Semifinal🇩🇰 DENMARK783♦♦9+1+0
-3.0Semifinal🇩🇰 DENMARK83♠♥4=-1
-3.0Semifinal🇩🇰 DENMARK885♥x♠Q-1+0
-3.3Semifinal🇩🇰 DENMARK122♣x♥A=-8
-3.3Semifinal🇩🇰 DENMARK663NT♥6-1-10
-3.7Semifinal🇩🇰 DENMARK524♥♦A=+1
-3.9Quarterfinal🇧🇬 BULGARIA272NT♥Q-1-4
-4.0Semifinal🇩🇰 DENMARK333♠♦A-1-2
-4.0Semifinal🇩🇰 DENMARK914♥♦K+1-4
-4.1Quarterfinal🇧🇬 BULGARIA404♠♥10+2-11
-4.3Semifinal🇩🇰 DENMARK93♠♣3-1-5
-5.0Semifinal🇩🇰 DENMARK793NT♥5+3+12
-5.0Final🇮🇳 INDIA44♠♦3-1-6
-5.0Final🇮🇳 INDIA541NT♥2+1-1
-5.0Final🇮🇳 INDIA923♣♣9-1-5
-6.0Semifinal🇩🇰 DENMARK551NT♦4-1-6
-6.7Semifinal🇩🇰 DENMARK454♠♣A=+0
-6.7Semifinal🇩🇰 DENMARK803♠♣8=-10
-7.0Final🇮🇳 INDIA942NT♣4=-7
-7.3Semifinal🇩🇰 DENMARK465♥x♠2-1-5
-7.3Semifinal🇩🇰 DENMARK494♥♥9-1-5
-7.7Semifinal🇩🇰 DENMARK504♠♥7-1-6
-8.3Semifinal🇩🇰 DENMARK937♦♦10=+2
-8.9Quarterfinal🇧🇬 BULGARIA224♠♦K-1-9
-9.0Final🇮🇳 INDIA183♥♦A-2-1
-10.0Semifinal🇩🇰 DENMARK675♠♥J-1-9
-10.0Final🇮🇳 INDIA824♠♥K=-7
-11.0Final🇮🇳 INDIA36♠♣J=+0
-11.0Final🇮🇳 INDIA273NT♦6-2-11
-11.0Final🇮🇳 INDIA594♠♦5+1+0
-11.0Final🇮🇳 INDIA663NT♠A=-10
-11.6Quarterfinal🇧🇬 BULGARIA423NT♦10-2-13
-12.0Final🇮🇳 INDIA54♥♦A=-3
-12.0Final🇮🇳 INDIA583NT♣K-1-12
-13.0Final🇮🇳 INDIA295♦♥10-2-13
-13.0Final🇮🇳 INDIA525♦♠K+2-17
-13.0Final🇮🇳 INDIA936♠♣7+1-8
-17.0Final🇮🇳 INDIA683NT♥7+4-17