KOWALSKI Apolinary · MILNER

15rank
+19.3Butler · 140 bds
+0.14per board
±4.9swing
-0.89vs par /bd · #15/18
+0.24adjusted /bd
Butler per round: -13.6 -13.6 -13.6 -29.1 -29.1 -29.1 -29.1 62 62 62by round

vs par split: bidding -0.17 · play -0.83

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +0.24/bd

Card play — on target: opening leads 100.0% #1 of 18 · declarer play 75.6% #10 of 18 · defence 58.3% #9 of 18

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)100.0% (8)
Declarer play50.0% (12)86.2% (29)
Defence60.0% (10)57.9% (38)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (3) · ♦ 100.0% (2) · ♣ 100.0% (3)

vs par by strain: NT -1.92 (26) · a suit -0.58 (86)

vs par by level: part-score -0.20 (45) · game -0.91 (58) · slam -4.22 (9)

By role: declaring +0.97/bd (-1.22 vs par · 71) · defending -0.71/bd (-0.47 vs par · 69)

By vulnerability: vulnerable -0.80/bd (-1.62 vs par · 56) · not vulnerable +0.76/bd (-0.16 vs par · 84)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalJ.RomanskiS.Morimura – T.ImakuraOpen14-16.9-1.21-2.43
QuarterfinalJ.RomanskiT.Yoshida – H.AbeOpen14+4.5+0.32+0.86
QuarterfinalJ.RomanskiT.Yoshida – H.AbeOpen14-1.2-0.09-3.07
SemifinalJ.RomanskiM.Itabashi – R.GrabelClosed14-16.4-1.17+0.14
SemifinalJ.RomanskiD.Jacob – J.CzyzowiczOpen14+25.0+1.79·
SemifinalJ.RomanskiR.Grabel – M.ItabashiOpen14-13.4-0.96-0.93
SemifinalJ.RomanskiJ.Czyzowicz – D.JacobClosed14-24.3-1.74·
FinalJ.RomanskiJ.Schermer – N.ChambersOpen14+16.0+1.14+0.14
FinalJ.RomanskiJ.Schermer – N.ChambersClosed14+12.0+0.86+0.36
FinalJ.RomanskiF.Hamilton – A.FisherClosed14+34.0+2.43-2.21

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
+12.0FinalSTERNBERG146♠♥K-4+12
+12.0FinalSTERNBERG524♥x♣5=+12
+11.0FinalSTERNBERG456♠♥2=-11
+11.0FinalSTERNBERG534♥♥3-1-2
+10.0SemifinalLEWIS333NT♦K+1+1
+9.0SemifinalLEWIS225♦x♥A-2·
+9.0FinalSTERNBERG201♥x♠K-1+9
+8.3SemifinalLEWIS83♠♠K+1+11
+8.3SemifinalLEWIS466♦♠A=·
+8.0SemifinalLEWIS154♠♦K=·
+8.0FinalSTERNBERG432♠x♥10=+8
+7.0FinalSTERNBERG14♠♠K=+7
+7.0FinalSTERNBERG152♠♥K+1+0
+7.0FinalSTERNBERG173♠♥K=-4
+6.0QuarterfinalIMAX103NT♦4+2+21
+6.0FinalSTERNBERG163♦♥J+2+7
+5.6QuarterfinalIMAX254♠x♣4+1+13
+5.3QuarterfinalIMAX284♠♠5-1+5
+5.0FinalSTERNBERG72♣♠4-1+5
+4.7QuarterfinalIMAX484♠♥A=+10
+4.7SemifinalLEWIS436♣♣2+1·
+4.3SemifinalLEWIS141NT♥8+2+6
+4.0QuarterfinalIMAX513NT♦3+1-1
+4.0SemifinalLEWIS373NT♦2+1+1
+3.9QuarterfinalIMAX553NT♥6=+11
+3.7QuarterfinalIMAX31NT♠3=-2
+3.7SemifinalLEWIS203NT♦5-1·
+3.6QuarterfinalIMAX194♥♠A=+11
+3.3SemifinalLEWIS93♠♦A+1+1
+3.3SemifinalLEWIS262♠♦4-1·
+3.3SemifinalLEWIS274♥♠Q+1·
+2.9QuarterfinalIMAX14♥♥6-3+11
+2.7QuarterfinalIMAX63NT♠3+1+1
+2.7SemifinalLEWIS243NT♥10=·
+2.4QuarterfinalIMAX53♠♥3+1-2
+2.3QuarterfinalIMAX164♠♣Q+2-11
+2.3SemifinalLEWIS444♥♦6-2·
+2.0SemifinalLEWIS52♣♥K+2+0
+2.0SemifinalLEWIS323♠♦A+1-10
+2.0SemifinalLEWIS484♥♠6-1·
+2.0FinalSTERNBERG83NT♠5-1-5
+2.0FinalSTERNBERG182♥♠K-1+11
+1.9QuarterfinalIMAX214♠♥J+1+15
+1.9QuarterfinalIMAX243♠♦A-1-2
+1.4QuarterfinalIMAX442♣♥K+1+0
+1.3SemifinalLEWIS292♠♥2-1+2
+1.3SemifinalLEWIS415♦♣K+1+17
+1.3SemifinalLEWIS553♦♠J+1·
+1.0QuarterfinalIMAX113NT♣3=-1
+1.0QuarterfinalIMAX232♠♦Q=-11
+1.0SemifinalLEWIS214♥♠8=·
+1.0SemifinalLEWIS314♥♣J+1+1
+1.0SemifinalLEWIS474♠♥A-1·
+1.0FinalSTERNBERG94♠♣A+1+13
+1.0FinalSTERNBERG443♠♦4+1-10
+1.0FinalSTERNBERG554♥♠K+2-11
+0.7SemifinalLEWIS15♦♥K+1+0
+0.6QuarterfinalIMAX261NT♥10-1+5
+0.6QuarterfinalIMAX496NT♣9-1-12
+0.4QuarterfinalIMAX435♥♠K=-17
+0.3QuarterfinalIMAX204♠♠2+2-11
+0.3QuarterfinalIMAX463♣♦A=+12
-0.0SemifinalLEWIS74♥♦7=+0
-0.0SemifinalLEWIS124♥♣A-1+6
+0.0SemifinalLEWIS164♥♥5+3·
+0.0SemifinalLEWIS174♠♥A=·
+0.0SemifinalLEWIS282♠♣A=·
-0.0SemifinalLEWIS494♥♦A+1·
+0.0FinalSTERNBERG33NT♥2=+0
+0.0FinalSTERNBERG43NT♣Q-1-12
+0.0FinalSTERNBERG54♥♠8-1-12
+0.0FinalSTERNBERG103♠♦A=+0
+0.0FinalSTERNBERG113♥♦Q-1-2
+0.0FinalSTERNBERG123NT♠8+2-1
+0.0FinalSTERNBERG131NT♣10-1+0
-0.0FinalSTERNBERG214♠♠2+1+0
-0.0FinalSTERNBERG233NT♦8+2-1
-0.0FinalSTERNBERG264♠♣8+1+0
-0.0FinalSTERNBERG274♥♣10=-1
-0.0FinalSTERNBERG281NT♠2=+0
-0.0FinalSTERNBERG472♣♦5=-1
-0.0FinalSTERNBERG484♠♣A=-3
-0.0FinalSTERNBERG495♠♣K=+0
-0.0FinalSTERNBERG504♠♣9+1+0
-0.0FinalSTERNBERG512♠♥2=+0
-0.0FinalSTERNBERG544♥♦2=+3
-0.0FinalSTERNBERG563NT♦5+3-11
-0.1QuarterfinalIMAX532♥♦3=-11
-0.3SemifinalLEWIS26♦♠5+1-1
-0.3SemifinalLEWIS234♥♦J+1·
-0.3SemifinalLEWIS514♠♦A+1·
-0.4QuarterfinalIMAX222♥♠6=+0
-0.7SemifinalLEWIS33♠♥3-1+1
-0.7SemifinalLEWIS384♥♦K+2-1
-0.7SemifinalLEWIS404♠♦7=+1
-0.7SemifinalLEWIS564♠♣2=·
-1.0QuarterfinalIMAX82♣♦10-1-10
-1.1QuarterfinalIMAX502NT♥5+1-7
-1.6QuarterfinalIMAX96♣♦K=-15
-1.6QuarterfinalIMAX144♠♥2+1-13
-1.6QuarterfinalIMAX172♣♣4=+8
-1.7QuarterfinalIMAX522NT♦6-2-5
-1.7SemifinalLEWIS191NT♥7+3·
-1.7SemifinalLEWIS252♥♣4=·
-2.0FinalSTERNBERG242♠♣4-2+7
-2.3QuarterfinalIMAX44♥♣9+1-13
-2.3SemifinalLEWIS66♣x♥K-1+11
-2.3SemifinalLEWIS182♦♥A=·
-2.6QuarterfinalIMAX473♣♠8=+6
-2.7QuarterfinalIMAX453NT♣7=-15
-2.7SemifinalLEWIS355♣♥J+1+13
-3.0SemifinalLEWIS113NT♥8=+1
-3.0SemifinalLEWIS364♣♠4-1-6
-3.0SemifinalLEWIS393♣♦3=-7
-3.0FinalSTERNBERG193NT♥5-2-13
-3.3QuarterfinalIMAX563NT♠K+1+1
-3.3SemifinalLEWIS422♥♠A+2-7
-3.6QuarterfinalIMAX24♠♥Q=-18
-3.7SemifinalLEWIS522♠♥K+1·
-4.0QuarterfinalIMAX184♠♣K-2-7
-4.0SemifinalLEWIS42♠♥A-2-2
-4.1QuarterfinalIMAX72♥♦5=+11
-5.0QuarterfinalIMAX154♠x♥A+2-14
-5.0QuarterfinalIMAX542♥♣10+3-15
-5.0FinalSTERNBERG64♥♦Q-1-10
-5.0FinalSTERNBERG253♦♠7=-5
-6.0FinalSTERNBERG23♥♦2-1+7
-6.3SemifinalLEWIS344♥♦4-2-6
-7.0QuarterfinalIMAX274♠♥3=+11
-7.3SemifinalLEWIS503NT♦10+1·
-8.0QuarterfinalIMAX122♥♥2+1-7
-8.3SemifinalLEWIS543NT♣9+1·
-9.0FinalSTERNBERG226♦x♠K-2-5
-10.0SemifinalLEWIS133NT♥Q-1-12
-10.0FinalSTERNBERG464♠♣8-1-5
-10.3SemifinalLEWIS533NT♥3=·
-13.3SemifinalLEWIS304♥xx♥4=-12
-13.3SemifinalLEWIS457♥♣Q=·
-13.4QuarterfinalIMAX136♥x♣A-2+3
-14.7SemifinalLEWIS107♣♠K-1-20