🇵🇱 KOWALSKI Apolinary · POLAND

5rank
+164.3Butler · 208 bds
+0.79per board
±4.4swing
+1.06vs par /bd · #1/22
+0.54adjusted /bd
Butler per round: 116.7 116.7 116.7 116.7 10.6 10.6 10.6 10.6 10.6 10.6 37 37 37 37 37 37by round

vs par split: bidding +0.60 · play +0.76

Strength of schedule: opponents averaged -0.25/bd (an easy draw) → opponent-adjusted +0.54/bd

Card play — on target: opening leads 84.3% #14 of 22 · declarer play 88.6% #3 of 22 · defence 90.7% #5 of 22

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)87.8% (41)
Declarer play90.0% (10)88.2% (34)
Defence88.2% (17)91.1% (90)

Opening leads by suit led: ♠ 86.7% (15) · ♥ 77.8% (18) · ♦ 83.3% (12) · ♣ 100.0% (6)

vs par by strain: NT +1.65 (31) · a suit +1.29 (153)

vs par by level: part-score +1.11 (73) · game +1.79 (101) · slam -1.30 (10)

By role: declaring +0.80/bd (-1.00 vs par · 88) · defending +0.79/bd (+2.58 vs par · 120)

By vulnerability: vulnerable +0.83/bd (+0.96 vs par · 104) · not vulnerable +0.75/bd (+1.16 vs par · 104)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalJ.RomanskiH.Christie – P.BuchenClosed16+32.1+2.01+2.50
QuarterfinalJ.RomanskiB.Richman – A.BraithwaiteOpen16+16.0+1.00+0.38
QuarterfinalJ.RomanskiW.Haughie – R.KlingerClosed16+44.4+2.77+3.06
QuarterfinalJ.RomanskiA.Braithwaite – B.RichmanOpen16+24.2+1.51+1.06
SemifinalJ.RomanskiP.Grenthe – P.VanhoutteOpen16+7.1+0.44-0.06
SemifinalJ.RomanskiP.Grenthe – P.VanhoutteOpen16-21.7-1.36-1.31
SemifinalJ.RomanskiP.Poizat – G.LasserreClosed16+19.4+1.21+1.69
SemifinalJ.RomanskiF.Leenhardt – P.PiganeauClosed16+11.1+0.69+0.12
SemifinalJ.RomanskiP.Grenthe – P.VanhoutteClosed16+7.7+0.48+1.19
SemifinalJ.RomanskiG.Lasserre – P.PoizatClosed16-13.0-0.81-1.12
FinalJ.RomanskiL.Finkel – R.SchwartzClosed16+8.5+0.53+2.88
FinalJ.RomanskiL.Finkel – R.SchwartzClosed16+13.0+0.81+2.12
FinalJ.RomanskiA.Fisher – F.HamiltonClosed16+15.5+0.97+1.31
FinalJ.RomanskiB.Wolff – D.MorseOpen0+0.0+0.00·
FinalJ.RomanskiB.Wolff – D.MorseOpen0+0.0+0.00·
FinalJ.RomanskiB.Wolff – D.MorseOpen0+0.0+0.00·

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
+12.3Quarterfinal🇦🇺 AUSTRALIA383NT♠K-1+14
+11.1Quarterfinal🇦🇺 AUSTRALIA154♥x♠7-3+12
+11.0Semifinal🇫🇷 FRANCE34♠♦7+1+1
+11.0Semifinal🇫🇷 FRANCE625♠♦A+1+11
+11.0Semifinal🇫🇷 FRANCE894♠x♥A-1+0
+10.9Quarterfinal🇦🇺 AUSTRALIA292♦x♠6+1+14
+10.4Quarterfinal🇦🇺 AUSTRALIA214♠x♥K=+5
+10.0Final🇺🇸 USA 1222NT♠3-1+5
+9.7Quarterfinal🇦🇺 AUSTRALIA473NT♣Q=+10
+9.3Final🇺🇸 USA 1306♠♣A=+11
+9.1Quarterfinal🇦🇺 AUSTRALIA354♠♣6-1+13
+9.0Semifinal🇫🇷 FRANCE453♥♣8-2-10
+8.7Semifinal🇫🇷 FRANCE414♥x♣K-1+11
+8.7Final🇺🇸 USA 1364♥♠A+1+0
+8.6Quarterfinal🇦🇺 AUSTRALIA125♦x♥5-4+4
+8.0Semifinal🇫🇷 FRANCE472♥♦7-1+2
+7.3Final🇺🇸 USA 1263NT♦6+4+12
+7.0Semifinal🇫🇷 FRANCE513N♣6=+10
+7.0Semifinal🇫🇷 FRANCE663N♥8-2+0
+6.7Semifinal🇫🇷 FRANCE505♣♠T=-2
+6.3Semifinal🇫🇷 FRANCE392♠♥Q=+6
+6.1Quarterfinal🇦🇺 AUSTRALIA24♠♥A-1+5
+6.0Quarterfinal🇦🇺 AUSTRALIA741NT♥K-1+6
+6.0Semifinal🇫🇷 FRANCE524♠♥K-1-3
+5.9Quarterfinal🇦🇺 AUSTRALIA694♥♠4=+0
+5.7Quarterfinal🇦🇺 AUSTRALIA373NT♥A-2+6
+5.7Semifinal🇫🇷 FRANCE54♥♦7-1+4
+5.6Quarterfinal🇦🇺 AUSTRALIA113♥♣8-1+10
+5.6Quarterfinal🇦🇺 AUSTRALIA774♥♦Q-1+12
+5.3Semifinal🇫🇷 FRANCE262♠♠T-1+5
+5.3Semifinal🇫🇷 FRANCE794N♠4+2-13
+5.1Quarterfinal🇦🇺 AUSTRALIA173NT♥K+1+9
+5.0Quarterfinal🇦🇺 AUSTRALIA54♥♦6=+3
+5.0Semifinal🇫🇷 FRANCE124♥♥6-1+5
+5.0Semifinal🇫🇷 FRANCE214♥♠T+2+1
+5.0Semifinal🇫🇷 FRANCE724♥♦9-4+7
+5.0Final🇺🇸 USA 1335♣x♠K-2+9
+4.7Semifinal🇫🇷 FRANCE85♦♥A-2-1
+4.7Semifinal🇫🇷 FRANCE294♥♠2+1+4
+4.7Final🇺🇸 USA 1143♥♦A=+7
+4.1Quarterfinal🇦🇺 AUSTRALIA784♦♣A+1+4
+4.0Quarterfinal🇦🇺 AUSTRALIA481NT♣9+2+6
+4.0Semifinal🇫🇷 FRANCE143♥♥3-2+5
+4.0Semifinal🇫🇷 FRANCE493♥♣J-1+4
+4.0Semifinal🇫🇷 FRANCE804♠♦3-1+12
+4.0Final🇺🇸 USA 1355♣x♣4=+12
+3.9Quarterfinal🇦🇺 AUSTRALIA393♠♥A-2+7
+3.9Quarterfinal🇦🇺 AUSTRALIA433♠♥Q=+0
+3.7Quarterfinal🇦🇺 AUSTRALIA164♠♦K+1+0
+3.7Quarterfinal🇦🇺 AUSTRALIA703♠x♦2-1+9
+3.7Semifinal🇫🇷 FRANCE784♥♠5+1+11
+3.7Final🇺🇸 USA 1104♥♥3+3+17
+3.3Final🇺🇸 USA 193NT♣5-1-2
+3.3Final🇺🇸 USA 1122♠♥6-1+5
+3.3Final🇺🇸 USA 1372N♥7=+1
+3.3Final🇺🇸 USA 1442♠♥A-1+0
+3.1Quarterfinal🇦🇺 AUSTRALIA142♠♦J=+6
+2.7Semifinal🇫🇷 FRANCE323N♠3+1+1
+2.7Semifinal🇫🇷 FRANCE602♠♥7+2+10
+2.7Final🇺🇸 USA 1482♥♣J+1+1
+2.6Quarterfinal🇦🇺 AUSTRALIA243♥♦J-1+4
+2.6Quarterfinal🇦🇺 AUSTRALIA802♥♦A=+5
+2.3Final🇺🇸 USA 1402♣♦T+2+7
+2.1Quarterfinal🇦🇺 AUSTRALIA734♠♠2-2+2
+2.0Quarterfinal🇦🇺 AUSTRALIA263NT♣3+3-13
+2.0Quarterfinal🇦🇺 AUSTRALIA754♥x♠3-1+0
+2.0Semifinal🇫🇷 FRANCE822N♠6=+0
+2.0Final🇺🇸 USA 1162NT♥3=+0
+2.0Final🇺🇸 USA 1184♠♥J+1+1
+2.0Final🇺🇸 USA 1284♠♥K-1-1
+2.0Final🇺🇸 USA 1474♣♦8-1+2
+1.9Quarterfinal🇦🇺 AUSTRALIA13♦♣8=+0
+1.7Quarterfinal🇦🇺 AUSTRALIA252♠♥K-1-3
+1.7Quarterfinal🇦🇺 AUSTRALIA424♥♦J=-1
+1.7Semifinal🇫🇷 FRANCE24♥♠K=+0
+1.7Final🇺🇸 USA 121NT♣3-2+3
+1.7Final🇺🇸 USA 1114♠♥3+2+2
+1.6Quarterfinal🇦🇺 AUSTRALIA714♠♥A+2+9
+1.3Semifinal🇫🇷 FRANCE275♥x♣K-2+4
+1.1Quarterfinal🇦🇺 AUSTRALIA44♠♥A=+17
+1.0Semifinal🇫🇷 FRANCE241N♣2+3-6
+1.0Semifinal🇫🇷 FRANCE432♥♠T+2-6
+1.0Semifinal🇫🇷 FRANCE904♥♠J+2-13
+1.0Semifinal🇫🇷 FRANCE914♠♦J=+0
+1.0Final🇺🇸 USA 1233NT♥K+1+13
+0.9Quarterfinal🇦🇺 AUSTRALIA463NT♦6+2+0
+0.7Quarterfinal🇦🇺 AUSTRALIA35♠♥6=+0
+0.7Quarterfinal🇦🇺 AUSTRALIA314♥♥2=+1
+0.7Semifinal🇫🇷 FRANCE361N♠Q+1+0
+0.7Semifinal🇫🇷 FRANCE562♥♥5-2+5
+0.7Semifinal🇫🇷 FRANCE692♠♣Q+1+7
+0.7Semifinal🇫🇷 FRANCE732♠♣7+2-6
+0.7Semifinal🇫🇷 FRANCE771N♦5=-2
+0.7Final🇺🇸 USA 1203NT♥Q=+0
+0.4Quarterfinal🇦🇺 AUSTRALIA451NT♥7+1+0
+0.3Quarterfinal🇦🇺 AUSTRALIA662NT♦A=+1
+0.3Semifinal🇫🇷 FRANCE152♠♣A+1+0
+0.3Semifinal🇫🇷 FRANCE193N♣7+1+0
+0.3Semifinal🇫🇷 FRANCE403N♠3+2+11
+0.3Semifinal🇫🇷 FRANCE584♥♣T=+0
+0.3Semifinal🇫🇷 FRANCE633N♣4=+0
+0.1Quarterfinal🇦🇺 AUSTRALIA74♠♦5+1+0
+0.1Quarterfinal🇦🇺 AUSTRALIA192♠♦J+2+6
+0.0Quarterfinal🇦🇺 AUSTRALIA653NT♦8+2-10
+0.0Semifinal🇫🇷 FRANCE314♠♥2+1+11
-0.0Semifinal🇫🇷 FRANCE344♥♠K-1+12
-0.0Semifinal🇫🇷 FRANCE424♠♣T=+0
-0.0Semifinal🇫🇷 FRANCE444♠♥A+1+0
-0.0Semifinal🇫🇷 FRANCE463N♥4+1+0
-0.0Semifinal🇫🇷 FRANCE574♥♥5+1+0
+0.0Semifinal🇫🇷 FRANCE684♠♥9+1+13
+0.0Semifinal🇫🇷 FRANCE834♥♣3+1+0
+0.0Semifinal🇫🇷 FRANCE863N♣2-1+6
+0.0Semifinal🇫🇷 FRANCE876♠♥Q=+0
+0.0Semifinal🇫🇷 FRANCE924♠♦J+1-1
+0.0Semifinal🇫🇷 FRANCE932♦♠5-1+0
+0.0Semifinal🇫🇷 FRANCE951N♥6-1+0
-0.0Final🇺🇸 USA 134♥♦6=+0
-0.0Final🇺🇸 USA 144♥♦Q+1+0
-0.0Final🇺🇸 USA 164♠♦A+1+0
-0.0Final🇺🇸 USA 1173NT♦3+1+0
-0.0Final🇺🇸 USA 1243NT♥7=+0
-0.0Final🇺🇸 USA 1254♠♥8=-11
-0.0Final🇺🇸 USA 1274♠♥6=+0
-0.0Final🇺🇸 USA 1413N♥3=+1
-0.0Final🇺🇸 USA 1424♠♦A=-3
-0.0Final🇺🇸 USA 1466♠♦Q=+0
-0.1Quarterfinal🇦🇺 AUSTRALIA323♣♣A=+1
-0.1Quarterfinal🇦🇺 AUSTRALIA343NT♠J+3+11
-0.3Semifinal🇫🇷 FRANCE164♠♦2=-1
-0.3Semifinal🇫🇷 FRANCE254♠♦Q=+0
-0.3Semifinal🇫🇷 FRANCE714♠♣K=-1
-0.3Final🇺🇸 USA 176♥♦A=+0
-0.3Final🇺🇸 USA 1323NT♦3=+10
-0.4Quarterfinal🇦🇺 AUSTRALIA414♥♠8-1-5
-0.6Quarterfinal🇦🇺 AUSTRALIA274♥♠10=+1
-0.6Quarterfinal🇦🇺 AUSTRALIA332♥♣10-1+3
-0.6Quarterfinal🇦🇺 AUSTRALIA761NT♦3=-2
-0.7Quarterfinal🇦🇺 AUSTRALIA203♦♠6+1+0
-0.7Semifinal🇫🇷 FRANCE66♠♣2=-1
-0.7Semifinal🇫🇷 FRANCE94♥♠J+1+0
-0.7Semifinal🇫🇷 FRANCE234♠♥2+1+0
-0.7Semifinal🇫🇷 FRANCE706♦x♠3-3+0
-0.7Final🇺🇸 USA 1383♥♦A+1+6
-0.7Final🇺🇸 USA 1393N♦4+2-13
-0.9Quarterfinal🇦🇺 AUSTRALIA63♦♠2=+0
-0.9Quarterfinal🇦🇺 AUSTRALIA101NT♦7+1+0
-0.9Quarterfinal🇦🇺 AUSTRALIA284♥♣5-1-1
-1.0Semifinal🇫🇷 FRANCE42♠♠5-1-1
-1.0Semifinal🇫🇷 FRANCE332N♠6=+1
-1.0Semifinal🇫🇷 FRANCE644♥♥4+2-1
-1.0Semifinal🇫🇷 FRANCE653N♣Q+3-2
-1.0Semifinal🇫🇷 FRANCE741♠♦J+1+11
-1.0Semifinal🇫🇷 FRANCE845♣♥2=-1
-1.0Final🇺🇸 USA 1193♦♥J=+0
-1.1Quarterfinal🇦🇺 AUSTRALIA444♥♦A-1-10
-1.1Quarterfinal🇦🇺 AUSTRALIA721NT♦9=-5
-1.3Semifinal🇫🇷 FRANCE14♥x♦5-2+5
-1.3Semifinal🇫🇷 FRANCE591N♦2=+0
-1.3Final🇺🇸 USA 1151NT♣3+2+8
-1.6Quarterfinal🇦🇺 AUSTRALIA403NT♦7-1-5
-1.6Quarterfinal🇦🇺 AUSTRALIA792♥♥9-1-3
-2.0Semifinal🇫🇷 FRANCE483♥♣3-1-2
-2.0Semifinal🇫🇷 FRANCE811N♦5=-1
-2.0Final🇺🇸 USA 113NT♠J-2-6
-2.0Final🇺🇸 USA 154♣♥A=+11
-2.1Quarterfinal🇦🇺 AUSTRALIA673NT♠4+2-1
-2.3Semifinal🇫🇷 FRANCE373♦♠6=+9
-2.3Semifinal🇫🇷 FRANCE613♦♥9=-13
-2.4Quarterfinal🇦🇺 AUSTRALIA222♠♥6=-5
-2.7Quarterfinal🇦🇺 AUSTRALIA134♥♦Q-1-6
-3.0Quarterfinal🇦🇺 AUSTRALIA82♠♦5=+0
-3.0Semifinal🇫🇷 FRANCE943♠♦6-1-4
-3.0Final🇺🇸 USA 1133♦♥A=+1
-3.1Quarterfinal🇦🇺 AUSTRALIA182♥♣Q=-6
-3.3Semifinal🇫🇷 FRANCE72♥♥8=-6
-3.3Semifinal🇫🇷 FRANCE385♣♠J=+0
-3.3Final🇺🇸 USA 184♠♦A+1+0
-3.4Quarterfinal🇦🇺 AUSTRALIA365♥♦6=+0
-3.7Semifinal🇫🇷 FRANCE675♣♦K-1+2
-3.7Final🇺🇸 USA 1314♠♥Q=+0
-3.7Final🇺🇸 USA 1344♣♦2+2-8
-4.0Semifinal🇫🇷 FRANCE304♥♣K=-3
-4.3Quarterfinal🇦🇺 AUSTRALIA303NT♥9-4-8
-4.3Quarterfinal🇦🇺 AUSTRALIA683♣♥5+2-10
-4.3Semifinal🇫🇷 FRANCE102N♠2=-10
-4.7Semifinal🇫🇷 FRANCE763♠♥K-3-10
-5.0Semifinal🇫🇷 FRANCE113♠♦K=-1
-5.0Semifinal🇫🇷 FRANCE184♠♦3-1-5
-5.0Semifinal🇫🇷 FRANCE543♠♦8=-1
-5.0Semifinal🇫🇷 FRANCE853♥♥6=+0
-5.0Final🇺🇸 USA 1433N♠Q-2-5
-5.3Semifinal🇫🇷 FRANCE224♦♥K-3-12
-5.4Quarterfinal🇦🇺 AUSTRALIA234♠♣3=+1
-5.7Semifinal🇫🇷 FRANCE283♥♠A=+0
-5.7Final🇺🇸 USA 1453♠♠K-1+11
-6.0Semifinal🇫🇷 FRANCE353N♥5=-7
-6.0Semifinal🇫🇷 FRANCE963♣♠8-1-4
-6.0Final🇺🇸 USA 1212♠♦K+3-6
-7.3Semifinal🇫🇷 FRANCE534♠♦6+2-11
-7.4Quarterfinal🇦🇺 AUSTRALIA93NTx♥9-1-11
-8.0Semifinal🇫🇷 FRANCE173♥x♥A-1-8
-8.0Semifinal🇫🇷 FRANCE756♣♠A-1-10
-8.3Final🇺🇸 USA 1296♠♣A=+0
-8.7Semifinal🇫🇷 FRANCE136♥♦4=+0
-10.7Semifinal🇫🇷 FRANCE555♥x♦K-1-7
-11.0Semifinal🇫🇷 FRANCE884♥♦K=+0
-13.0Semifinal🇫🇷 FRANCE206♠♦T-2-13