🇵🇱 KOWALSKI Apolinary · POLAND

41rank
-9.0Butler · 128 bds
-0.07per board
±4.0swing
+0.53vs par /bd
+0.51adjusted /bd
Butler per round: -35.4 -35.4 -35.4 26.4 26.4 26.4 26.4 26.4by round

vs par split: bidding +0.41 · play +0.12

Strength of schedule: opponents averaged +0.58/bd (a tough draw) → opponent-adjusted +0.51/bd

Card play — on target: opening leads 80.0% · declarer play 67.5% · defence 93.8%

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)80.0% (25)
Declarer play66.7% (9)67.7% (31)
Defence84.6% (13)96.2% (52)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 100.0% (9) · ♦ 60.0% (5) · ♣ 77.8% (9)

vs par by strain: NT +1.06 (32) · a suit +0.35 (96)

vs par by level: part-score +0.86 (43) · game -0.15 (80) · slam +8.60 (5)

By role: declaring -0.12/bd (-1.64 vs par · 63) · defending -0.03/bd (+2.63 vs par · 65)

By vulnerability: vulnerable +0.42/bd (+0.67 vs par · 64) · not vulnerable -0.56/bd (+0.39 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16J.RomanskiG.Hallberg – J.HollandClosed16-25.6-1.60-0.94
Round of 16J.RomanskiG.Hallberg – J.HollandOpen16-18.7-1.17-3.88
Round of 16J.RomanskiG.Hallberg – J.HollandOpen16+8.9+0.56+0.69
QuarterfinalJ.RomanskiM.Dumbovich – M.KovacsOpen16+7.3+0.46+4.62
QuarterfinalJ.RomanskiG.Szappanos – P.MagyarOpen16+15.1+0.94-0.19
QuarterfinalJ.RomanskiM.Dumbovich – M.KovacsOpen16-7.1-0.44-0.81
QuarterfinalJ.RomanskiM.Dumbovich – M.KovacsOpen16+11.7+0.73+2.94
QuarterfinalJ.RomanskiP.Magyar – G.SzappanosOpen16-0.6-0.04+1.81

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
+11.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND452♥x♥9-3+5
+9.3Quarterfinal🇭🇺 HUNGARY714♠♥A+2+12
+9.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND573NTx♠10-2+12
+8.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND514♥♦Q=+7
+8.1Quarterfinal🇭🇺 HUNGARY513NT♦10-3+15
+7.4Quarterfinal🇭🇺 HUNGARY315♣x♣A-3+16
+7.0Quarterfinal🇭🇺 HUNGARY833NT♠A+1+14
+6.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND393NT♠3+1+0
+6.3Quarterfinal🇭🇺 HUNGARY246♠♥K-1+11
+6.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND146♦♥9-1+14
+6.1Quarterfinal🇭🇺 HUNGARY487♠♠10=+0
+6.1Quarterfinal🇭🇺 HUNGARY723♣♣4=+9
+6.0Quarterfinal🇭🇺 HUNGARY213NT♠Q=+11
+6.0Quarterfinal🇭🇺 HUNGARY276♦♦2+1+11
+4.7Quarterfinal🇭🇺 HUNGARY591NT♦Q-1+4
+4.4Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND533NT♠10+1+1
+4.3Quarterfinal🇭🇺 HUNGARY691NT♥4+1+0
+3.9Quarterfinal🇭🇺 HUNGARY344♥♠7+1+1
+3.7Quarterfinal🇭🇺 HUNGARY824♠♥A+1+0
+3.4Quarterfinal🇭🇺 HUNGARY733♠♣8-1+5
+3.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND425♣♠K-3-8
+3.1Quarterfinal🇭🇺 HUNGARY393NT♣K-2-3
+3.1Quarterfinal🇭🇺 HUNGARY472♥♠A=+5
+3.1Quarterfinal🇭🇺 HUNGARY923NT♦Q-1+10
+2.9Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND503♠♦K-3+1
+2.9Quarterfinal🇭🇺 HUNGARY813NT♦T-1+5
+2.6Quarterfinal🇭🇺 HUNGARY793♥♥10=+7
+2.4Quarterfinal🇭🇺 HUNGARY572♥♠K=-1
+2.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♠♥K=+0
+2.3Quarterfinal🇭🇺 HUNGARY386♠x♥K-4+7
+2.1Quarterfinal🇭🇺 HUNGARY934♠♥Q+1+4
+1.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♠4+1+0
+1.4Quarterfinal🇭🇺 HUNGARY252♠♣4=+5
+1.4Quarterfinal🇭🇺 HUNGARY644NT♥Q+3+2
+1.4Quarterfinal🇭🇺 HUNGARY851NT♥3+1+0
+1.4Quarterfinal🇭🇺 HUNGARY954♠♦A-1+5
+1.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♣♠7-1+6
+1.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND432♦♠4+3+4
+1.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND345♠♦4=+0
+1.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♠♠10+2-13
+1.1Quarterfinal🇭🇺 HUNGARY492♥♦A-3+1
+1.0Quarterfinal🇭🇺 HUNGARY355♣♥A-1-5
+1.0Quarterfinal🇭🇺 HUNGARY563NT♣Q+2+0
+1.0Quarterfinal🇭🇺 HUNGARY624♠♣A=+0
+0.9Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♣3+2+13
+0.9Quarterfinal🇭🇺 HUNGARY362♥♥4=+1
+0.9Quarterfinal🇭🇺 HUNGARY404♦♥Q+1+6
+0.9Quarterfinal🇭🇺 HUNGARY703♣♥Q=-1
+0.7Quarterfinal🇭🇺 HUNGARY751NT♥3+1-1
+0.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND601NT♦A=+2
+0.4Quarterfinal🇭🇺 HUNGARY442♥♣7-1-1
+0.3Quarterfinal🇭🇺 HUNGARY742♥♠Q+2+10
+0.3Quarterfinal🇭🇺 HUNGARY764♠♣2=-1
+0.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND624♥♠Q=+0
+0.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND643NT♥2+1+0
+0.1Quarterfinal🇭🇺 HUNGARY334♠♥A=-3
+0.1Quarterfinal🇭🇺 HUNGARY432♥♠4=+0
+0.1Quarterfinal🇭🇺 HUNGARY684♥♣K+1+0
+0.0Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93♦♥4=-1
+0.0Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND554♥♥3=+0
-0.0Quarterfinal🇭🇺 HUNGARY424♥♣Q+1+0
-0.0Quarterfinal🇭🇺 HUNGARY465♠♥K=+0
-0.0Quarterfinal🇭🇺 HUNGARY584♥♠A+1+0
-0.0Quarterfinal🇭🇺 HUNGARY614♠♣K+1+0
+0.0Quarterfinal🇭🇺 HUNGARY944♠♣J+1+0
-0.1Quarterfinal🇭🇺 HUNGARY414♥♠4=-1
-0.1Quarterfinal🇭🇺 HUNGARY554♥♠7+1+0
-0.1Quarterfinal🇭🇺 HUNGARY873NT♠T+2+12
-0.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND613NT♥2=-1
-0.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND563NT♥5+1+0
-0.4Quarterfinal🇭🇺 HUNGARY294♠♣7-1+12
-0.6Quarterfinal🇭🇺 HUNGARY203♣♦7=+10
-0.6Quarterfinal🇭🇺 HUNGARY323NT♥3+1+0
-0.6Quarterfinal🇭🇺 HUNGARY883♥♣3-3+2
-0.6Quarterfinal🇭🇺 HUNGARY894♠♣K-3+4
-0.7Quarterfinal🇭🇺 HUNGARY263♦♣3+1+0
-0.7Quarterfinal🇭🇺 HUNGARY282♥♠3=-1
-0.7Quarterfinal🇭🇺 HUNGARY635♥♠A=+0
-0.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND81♠♦Q=+0
-0.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND524♠♥9=+0
-0.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND594♥♠2+1+0
-0.9Quarterfinal🇭🇺 HUNGARY172♥♣10+1-1
-1.0Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND333♥♣A-1-5
-1.0Quarterfinal🇭🇺 HUNGARY774♠♣J+1+0
-1.0Quarterfinal🇭🇺 HUNGARY862♦♣A+3-7
-1.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND101NT♥6+1+0
-1.3Quarterfinal🇭🇺 HUNGARY541NT♠7=+0
-1.4Quarterfinal🇭🇺 HUNGARY224♠♣10-1+6
-1.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND383♠♣K=-7
-1.6Quarterfinal🇭🇺 HUNGARY304♠♣3+1+0
-1.7Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND463NT♠K-1-5
-1.7Quarterfinal🇭🇺 HUNGARY903NT♦T-1-12
-1.9Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND354♠♣A+2-11
-1.9Quarterfinal🇭🇺 HUNGARY802NT♠2-2+0
-2.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND474♠♦J-2-8
-2.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133♦♣J-1-6
-2.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♠K-1-6
-2.4Quarterfinal🇭🇺 HUNGARY452♥♠6-1-5
-2.4Quarterfinal🇭🇺 HUNGARY782♠♥4+1+0
-2.7Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND585♣♠A=+2
-2.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND544♥♣7=+0
-2.9Quarterfinal🇭🇺 HUNGARY844♠♦6=+0
-3.0Quarterfinal🇭🇺 HUNGARY654♠♥Q+1+11
-3.0Quarterfinal🇭🇺 HUNGARY663♦♥7=-5
-3.1Quarterfinal🇭🇺 HUNGARY184♥♠K+1+11
-3.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163NT♠5+1+0
-4.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND635♦♠5-2-3
-4.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND403NT♠J-2-6
-4.3Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND444♥♣K-1-6
-4.3Quarterfinal🇭🇺 HUNGARY371♥♠A=-5
-4.3Quarterfinal🇭🇺 HUNGARY605♥♠2-1-10
-4.4Quarterfinal🇭🇺 HUNGARY524♥♣J=-10
-4.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND12♣♣A-3+6
-4.6Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♠K=-7
-4.9Quarterfinal🇭🇺 HUNGARY193NT♦2-4-12
-4.9Quarterfinal🇭🇺 HUNGARY231♥♦3-1-5
-5.0Quarterfinal🇭🇺 HUNGARY674♠♣Q=+1
-5.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND494♠♥K-1-10
-5.5Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND373NT♠4-2-8
-5.7Quarterfinal🇭🇺 HUNGARY914♠♦K+1-7
-6.4Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND485♦♠4=-7
-6.8Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND364♥♠J=+0
-7.1Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND413NT♠4+1+0
-8.0Quarterfinal🇭🇺 HUNGARY505♦♥4-1-11
-8.0Quarterfinal🇭🇺 HUNGARY534♥♣4=-3
-9.6Quarterfinal🇭🇺 HUNGARY964♠♦J+2-1
-9.7Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♥♠K-1-10
-10.2Round of 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♦2-4-11