KOWALSKI Dariusz · SLOW HORSES

61rank
+19.3Butler · 232 bds
+0.08per board
±4.6swing
+0.16vs par /bd · #20/35
+0.31adjusted /bd
Butler per round: -3.7 -3.7 37.4 37.4 -30.5 -30.5 -30.5 -30.5 19.3 19.3 19.3 19.3 -3.2 -3.2 -3.2 -3.2by round

vs par split: bidding +0.42 · play -0.27

Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.31/bd

Card play — on target: opening leads 78.2% #21 of 35 · declarer play 67.2% #30 of 35 · defence 88.1% #10 of 35

Card play by contract type — on target
vs NTvs a suit
Opening leads76.9% (13)78.6% (42)
Declarer play87.5% (8)64.0% (50)
Defence77.8% (27)91.5% (82)

Opening leads by suit led: ♠ 84.2% (19) · ♥ 90.0% (10) · ♦ 60.0% (10) · ♣ 75.0% (16)

vs par by strain: NT +0.37 (51) · a suit +0.08 (180)

vs par by level: part-score -0.75 (93) · game +0.50 (125) · slam +3.15 (13)

By role: declaring +0.46/bd (-1.57 vs par · 122) · defending -0.34/bd (+2.08 vs par · 110)

By vulnerability: vulnerable -0.07/bd (+0.28 vs par · 116) · not vulnerable +0.23/bd (+0.04 vs par · 116)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32T.SielickiA.Mcintosh – T.PaskeClosed16-5.7-0.36-0.56
Round of 32T.SielickiS.Hult – P.BertheauClosed16+2.0+0.12+0.69
Round of 16M.WrobelB.Satyanarayana – K.NadarClosed16+32.8+2.05+4.50
Round of 16T.SielickiB.Satyanarayana – K.NadarClosed16+4.6+0.29-0.06
QuarterfinalT.SielickiA.Madala – D.BildeOpen14-28.5-2.04-1.21
QuarterfinalT.SielickiA.Madala – D.BildeOpen14+11.7+0.84-1.14
QuarterfinalM.WrobelA.Madala – D.BildeOpen14+11.3+0.81+0.07
QuarterfinalT.SielickiA.Madala – D.BildeOpen14-25.0-1.79-0.14
SemifinalT.SielickiB.Norton – S.TommasiniClosed14+10.8+0.77+2.71
SemifinalT.SielickiT.Townsend – B.Handley-PritchardOpen14-0.2-0.01-2.29
SemifinalM.WrobelB.Norton – S.TommasiniClosed14+14.0+1.00+1.21
SemifinalT.SielickiT.Townsend – B.Handley-PritchardOpen14-5.3-0.38-0.07
FinalM.WrobelM.Toma – R.DiasOpen14-4.3-0.31-3.21
FinalT.SielickiM.Toma – R.DiasOpen14+14.5+1.04+2.29
FinalT.SielickiM.Toma – R.DiasOpen14+15.6+1.11+0.14
FinalM.WrobelM.Toma – R.DiasOpen14-29.0-2.07-0.93

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
+13.0QuarterfinalROSENTHAL226♣♥A-1+14
+12.5Round of 32TEAM BLACK294♠♥3+3+17
+12.3SemifinalKNOTTENBELT124♠♦A+1+8
+12.0SemifinalKNOTTENBELT494♠xx♦K+1+12
+11.0Round of 16INDIA MIXED53NTx♦8-2+9
+11.0FinalAMISTAD324♥♦6-1+12
+11.0FinalAMISTAD366♠♥6=+0
+10.9Round of 16INDIA MIXED254♠♦J=+10
+10.7SemifinalKNOTTENBELT164♥♦10=+3
+9.6QuarterfinalROSENTHAL317NT♦2-1+16
+9.0SemifinalKNOTTENBELT413♠x♦A-1+2
+8.5Round of 32TEAM BLACK96♥x♣A-1+7
+8.3FinalAMISTAD223NT♥4-1+6
+7.7Round of 16INDIA MIXED284♥x♦4=+4
+7.0SemifinalKNOTTENBELT293♦♠A-3+11
+7.0FinalAMISTAD496♦♣A+1-13
+6.8Round of 32TEAM BLACK133NTx♠6=+4
+6.3FinalAMISTAD252♣♦7-2+7
+6.0SemifinalKNOTTENBELT114♠♦K+1+1
+5.9Round of 16INDIA MIXED124♥♦4=+7
+5.9QuarterfinalROSENTHAL377NT♠Q=+0
+5.7SemifinalKNOTTENBELT94♠♦K-2+7
+5.7SemifinalKNOTTENBELT184♠x♥K-1+5
+5.5Round of 32TEAM BLACK312♣x♠A-2+5
+5.4QuarterfinalROSENTHAL344♠♦2+2+2
+5.3Round of 16INDIA MIXED104♠x♥A-3+4
+5.0QuarterfinalROSENTHAL505♦♥5=+0
+5.0FinalAMISTAD233♣♥4-1+5
+4.9Round of 16INDIA MIXED143♣♥Q-1+6
+4.7QuarterfinalROSENTHAL383NT♦10+3+3
+4.6Round of 16INDIA MIXED164♠♥3-3+7
+4.3SemifinalKNOTTENBELT285♣♣A=+0
+4.1Round of 32TEAM BLACK275♣x♦2-2+4
+4.1QuarterfinalROSENTHAL84♥♦2-1+10
+4.1QuarterfinalROSENTHAL194♣x♠A-2+5
+4.0Round of 32TEAM BLACK184♠♠K-2+0
+4.0FinalAMISTAD135♣♦A=-5
+4.0FinalAMISTAD314♥♠10+2+1
+4.0FinalAMISTAD443♠♥8-1-7
+4.0FinalAMISTAD463♠♥Q-1+5
+3.9Round of 16INDIA MIXED111NT♦J=+8
+3.8Round of 16INDIA MIXED41NT♠5=+5
+3.7SemifinalKNOTTENBELT244♠♦J=-1
+3.7FinalAMISTAD31NT♠J+1+1
+3.7FinalAMISTAD277♣x♦A-2+15
+3.6Round of 32TEAM BLACK323♣♦3=+0
+3.4QuarterfinalROSENTHAL524♥x♣6=+10
+3.3SemifinalKNOTTENBELT534♠♦A+1+0
+3.3FinalAMISTAD283♠♣A=+1
+3.0QuarterfinalROSENTHAL354♥♦7-1+6
+3.0SemifinalKNOTTENBELT74♥♠K-1+12
+3.0SemifinalKNOTTENBELT314♥♣A+1+0
+3.0FinalAMISTAD373♠♥A=+0
+2.4Round of 16INDIA MIXED212♥♣J=-1
+2.4QuarterfinalROSENTHAL495♥♣Q-1+5
+2.3Round of 16INDIA MIXED242♥♦K=-1
+2.3SemifinalKNOTTENBELT341♠♣6+2+7
+2.3FinalAMISTAD183NT♣4-1+5
+2.1Round of 16INDIA MIXED73♥♣Q=+10
+2.0Round of 16INDIA MIXED3Pass+4
+2.0SemifinalKNOTTENBELT143NT♥10-2+1
+2.0FinalAMISTAD143NT♠10+3-10
+2.0FinalAMISTAD383♦♥6-1+0
+1.9QuarterfinalROSENTHAL363♥♥5-1-2
+1.7QuarterfinalROSENTHAL144♥♣A+1+0
+1.7FinalAMISTAD304♠♣K-1+5
+1.6QuarterfinalROSENTHAL244♥♦2=-11
+1.6QuarterfinalROSENTHAL294♠♥K+1+0
+1.5Round of 16INDIA MIXED172♠♠A-2+1
+1.4Round of 16INDIA MIXED321NT♠3=+0
+1.3QuarterfinalROSENTHAL304♠♣8-1+6
+1.3FinalAMISTAD112♥♥K+2+2
+1.3FinalAMISTAD422♠♦2=+5
+1.1QuarterfinalROSENTHAL452NT♠10=+0
+1.0SemifinalKNOTTENBELT451NT♠J+1+1
+1.0SemifinalKNOTTENBELT474♠♦9+2+2
+1.0FinalAMISTAD193NT♦A+3+1
+1.0FinalAMISTAD504♥♣A+2+13
+0.9Round of 32TEAM BLACK102♠♣8+1+0
+0.9Round of 32TEAM BLACK234♠x♣6-1+2
+0.9QuarterfinalROSENTHAL233NT♠8-1+12
+0.9QuarterfinalROSENTHAL262♥♣8=+6
+0.8Round of 32TEAM BLACK52♦♣6+2-9
+0.7Round of 32TEAM BLACK302♦♥9=+0
+0.7Round of 16INDIA MIXED94♠♥7+2+11
+0.7SemifinalKNOTTENBELT64♠♥A+3-10
+0.7SemifinalKNOTTENBELT222♣♠4+2+7
+0.7SemifinalKNOTTENBELT514♥♣Q=+3
+0.7SemifinalKNOTTENBELT553NT♠3+2+1
+0.7FinalAMISTAD43NT♦Q+2+0
+0.6Round of 32TEAM BLACK13NT♦9+2-11
+0.6Round of 32TEAM BLACK73♠♥A+1+1
+0.6QuarterfinalROSENTHAL173NT♥3+3-10
+0.6QuarterfinalROSENTHAL284♦♥A-2+0
+0.3QuarterfinalROSENTHAL152♥♠4=+0
+0.3SemifinalKNOTTENBELT484♥♣2+1+0
+0.3FinalAMISTAD64♥♠A+1+1
+0.3FinalAMISTAD125♣♠7-1-6
+0.3FinalAMISTAD164♠♠3+1+0
+0.1Round of 32TEAM BLACK113♠♥Q-2-5
+0.1Round of 32TEAM BLACK154♥♣A=+0
+0.1Round of 16INDIA MIXED83NT♥5+1+0
+0.1Round of 16INDIA MIXED292♦♣7=+11
+0.1QuarterfinalROSENTHAL41♠♠9=-1
+0.1QuarterfinalROSENTHAL274♦♠2+2-13
+0.1QuarterfinalROSENTHAL425♦♠7-1-6
-0.0Round of 32TEAM BLACK144♠♣8+2+11
+0.0Round of 32TEAM BLACK263♣♣A=-9
-0.0Round of 32TEAM BLACK283NT♥9=+0
-0.0QuarterfinalROSENTHAL563NT♠7+1+0
+0.0SemifinalKNOTTENBELT33NT♥3-1+12
-0.0SemifinalKNOTTENBELT174♠♥K=+3
-0.0SemifinalKNOTTENBELT233NT♠5-2-7
-0.0SemifinalKNOTTENBELT264♥♣A=+1
+0.0SemifinalKNOTTENBELT304♠♥A=+0
+0.0SemifinalKNOTTENBELT354♠♥6+1+1
+0.0SemifinalKNOTTENBELT363♥♠A=+0
+0.0SemifinalKNOTTENBELT384♥♠J+1+0
+0.0FinalAMISTAD394♠♣K=+0
+0.0FinalAMISTAD473♠♦4=+10
+0.0FinalAMISTAD514♥♥3=+0
+0.0FinalAMISTAD524♥♠A-1-5
+0.0FinalAMISTAD535♦♠J=-11
-0.1Round of 16INDIA MIXED183NT♣3-1-5
-0.1QuarterfinalROSENTHAL513NT♥7-2+8
-0.2Round of 32TEAM BLACK246♦♥4+1+11
-0.3Round of 16INDIA MIXED133NT♠5+1+12
-0.3Round of 16INDIA MIXED194♥♠7=-1
-0.3Round of 16INDIA MIXED204♠♥5+1+0
-0.3SemifinalKNOTTENBELT44♠♣3=+0
-0.3SemifinalKNOTTENBELT83♦♦5=-5
-0.3SemifinalKNOTTENBELT104♥♣4=+0
-0.3SemifinalKNOTTENBELT333♦♠J=+0
-0.3SemifinalKNOTTENBELT431NT♠Q-1-1
-0.3SemifinalKNOTTENBELT464♥♠K+2+13
-0.3FinalAMISTAD71NT♥J=+0
-0.3FinalAMISTAD103NT♦7+2+0
-0.3FinalAMISTAD242♣♦3=+0
-0.4Round of 32TEAM BLACK173NT♦3+1-1
-0.5Round of 16INDIA MIXED274♥♠6=+0
-0.6Round of 32TEAM BLACK23NT♥7=+1
-0.6Round of 16INDIA MIXED62♠♣K=+0
-0.6QuarterfinalROSENTHAL92♥♠K+1+0
-0.6QuarterfinalROSENTHAL162♠♣3+1+0
-0.7Round of 16INDIA MIXED312♦♣Q=+1
-0.7QuarterfinalROSENTHAL104NT♠K+1+10
-0.7QuarterfinalROSENTHAL253♠x♣Q-1+0
-0.7SemifinalKNOTTENBELT403NT♣6+1-1
-0.7FinalAMISTAD53NT♥7+1+0
-0.7FinalAMISTAD84♠♥Q+1-8
-0.7FinalAMISTAD153NT♠9=+2
-0.7FinalAMISTAD353NT♣5+1+0
-0.7FinalAMISTAD402♥♣9+1-1
-0.9Round of 32TEAM BLACK193♣♦6=+0
-0.9Round of 16INDIA MIXED264♠♦10+1-1
-1.0Round of 32TEAM BLACK63♠♣J-2+9
-1.0QuarterfinalROSENTHAL12♠♦Q+2-7
-1.0QuarterfinalROSENTHAL432♥♣J-1-4
-1.0SemifinalKNOTTENBELT213♣♥K+1-13
-1.0SemifinalKNOTTENBELT322♦♥Q-1+0
-1.0SemifinalKNOTTENBELT373NT♥8+2-4
-1.0FinalAMISTAD554♥♦4=-1
-1.1QuarterfinalROSENTHAL73NT♠2+2+0
-1.1QuarterfinalROSENTHAL134♥♠K+3-17
-1.3Round of 16INDIA MIXED15♠x♣A-1-5
-1.3SemifinalKNOTTENBELT392♦x♦A-3-2
-1.3FinalAMISTAD333♥♦A-1+1
-1.5Round of 16INDIA MIXED22♠♠3-1+2
-1.7SemifinalKNOTTENBELT21NT♠3+1+1
-1.7FinalAMISTAD292♠♦Q-2+0
-1.9QuarterfinalROSENTHAL34♠♥Q-1-6
-1.9QuarterfinalROSENTHAL181NT♦J=-7
-2.0QuarterfinalROSENTHAL553♣♦A+1+7
-2.0SemifinalKNOTTENBELT54♥♦10+1+0
-2.0SemifinalKNOTTENBELT204♣♦A=-6
-2.0FinalAMISTAD212♠♥K=-1
-2.1QuarterfinalROSENTHAL112♥♣8-2+7
-2.1QuarterfinalROSENTHAL202♠♣A=-12
-2.3QuarterfinalROSENTHAL323♦♠4=-6
-2.3SemifinalKNOTTENBELT11♠♦Q-1-2
-2.3SemifinalKNOTTENBELT274♥♦Q-1-5
-2.3SemifinalKNOTTENBELT502♣♥7-2-7
-2.3FinalAMISTAD15♦♣A=+2
-2.3FinalAMISTAD174♠♥7-1-8
-2.4Round of 32TEAM BLACK84♠♣Q=+11
-2.4QuarterfinalROSENTHAL534♠♣A=+0
-2.5Round of 16INDIA MIXED232♠♦3+1+0
-2.7QuarterfinalROSENTHAL404♠♥A+1+0
-3.0SemifinalKNOTTENBELT424♠♥A=+3
-3.0FinalAMISTAD542♠♥8=-11
-3.3QuarterfinalROSENTHAL23NT♥2+1+0
-3.3QuarterfinalROSENTHAL481♠♠2-1+0
-3.4Round of 32TEAM BLACK203♠♠Q-1-6
-3.7Round of 32TEAM BLACK223♦♣Q=-1
-3.7SemifinalKNOTTENBELT543♥x♥A-2-4
-3.9Round of 32TEAM BLACK164♠♥J-1-10
-4.0QuarterfinalROSENTHAL414♠♣A-3-4
-4.2Round of 32TEAM BLACK31NT♥4+1+1
-4.2Round of 32TEAM BLACK127♠♣K=-11
-4.6QuarterfinalROSENTHAL124♥x♦J-2-4
-4.7SemifinalKNOTTENBELT251♥♥10+2-10
-4.7SemifinalKNOTTENBELT443NT♥J-2-8
-4.7FinalAMISTAD263♥♣7=+8
-4.9QuarterfinalROSENTHAL462♠♠K=-6
-5.0FinalAMISTAD24♦♥Q=-9
-5.1QuarterfinalROSENTHAL214♠♥10=+0
-5.6QuarterfinalROSENTHAL333♠♣3=-11
-5.7FinalAMISTAD203♥♠A-2-9
-5.7FinalAMISTAD343NT♦K-2-11
-5.9Round of 16INDIA MIXED304♥♦6=-8
-6.0SemifinalKNOTTENBELT562♠♣Q+2-6
-7.0SemifinalKNOTTENBELT524♠♥3=-7
-7.0FinalAMISTAD453♦♠J-2+1
-7.3SemifinalKNOTTENBELT192♠x♥J-2-7
-7.3FinalAMISTAD93NT♦J+3-13
-7.6QuarterfinalROSENTHAL395♣♠A=-3
-7.6QuarterfinalROSENTHAL474♠♣3=-7
-7.7QuarterfinalROSENTHAL544♥♠10-2-8
-7.8Round of 32TEAM BLACK42♥♥10-2-8
-7.8Round of 16INDIA MIXED154♥♠5=-8
-7.9QuarterfinalROSENTHAL444♥♠4=-7
-8.0SemifinalKNOTTENBELT153♥♠J-3-2
-8.3QuarterfinalROSENTHAL62♠♦K-4-7
-8.3FinalAMISTAD413NT♥2-3-10
-9.0Round of 32TEAM BLACK257NT♠10=+0
-9.7QuarterfinalROSENTHAL53NT♠5+4-2
-10.0FinalAMISTAD434♥♠J=-7
-10.5Round of 16INDIA MIXED223♥♦J-2-11
-11.0FinalAMISTAD566♥♣6=+0
-11.7Round of 32TEAM BLACK216♣♠K=-11
-12.0SemifinalKNOTTENBELT136♦♣K=+13
-13.0FinalAMISTAD484♥♦4+2+13