KAZMUCHA Danuta · CASTOLDI

4rank
+66.8Butler · 98 bds
+0.68per board
±4.5swing
+0.70vs par /bd · #3/18
+0.48adjusted /bd
Butler per round: 26.4 26.4 26.4 26.4 40.4 40.4 40.4by round

vs par split: bidding +0.72 · play -0.02

Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted +0.48/bd

Card play — on target: opening leads 82.8% #7 of 18 · declarer play 93.1% #1 of 18 · defence 88.9% #9 of 18

Bidding activity — not a pass: 38.3% #16 of 18 (102/266)

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (7)81.8% (22)
Declarer play77.8% (9)100.0% (20)
Defence92.9% (14)87.5% (40)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 70.0% (10) · ♦ 100.0% (7) · ♣ 85.7% (7)

vs par by strain: NT +0.04 (27) · a suit +0.96 (71)

vs par by level: part-score +1.55 (38) · game -0.08 (52) · slam +1.75 (8)

By role: declaring +1.42/bd (-1.21 vs par · 44) · defending +0.08/bd (+2.26 vs par · 54)

By vulnerability: vulnerable +0.78/bd (+0.82 vs par · 49) · not vulnerable +0.59/bd (+0.59 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalA.SarniakJ.Wolpert – I.GronkvistOpen14+19.8+1.41+4.57
QuarterfinalA.SarniakS.Shi – J.Seamon-MolsonOpen14-4.2-0.30-4.50
QuarterfinalA.SarniakS.Shi – J.Seamon-MolsonOpen14-1.6-0.11+0.43
QuarterfinalA.SarniakI.Gronkvist – J.WolpertClosed14+12.4+0.89+1.43
SemifinalA.SarniakX.Zuo – X.YuanClosed14-1.9-0.14-0.64
SemifinalA.SarniakS.Wu – P.WangOpen14+28.1+2.01+2.64
SemifinalA.SarniakS.Wu – P.WangOpen14+14.2+1.01+1.00

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
+14.3SemifinalJIANGSU RUNTAI536♠♦2=+0
+11.0QuarterfinalZHANG234♥♦K=-13
+9.8QuarterfinalZHANG533NT♥3+1+11
+9.0SemifinalJIANGSU RUNTAI412♦x♠J-1+10
+8.7SemifinalJIANGSU RUNTAI406♥♠K+1+1
+8.4QuarterfinalZHANG74♠♥A-1+12
+7.8QuarterfinalZHANG262♠♦A-2+7
+7.3SemifinalJIANGSU RUNTAI145♥x♠6-2+4
+7.1QuarterfinalZHANG53NT♥8+1+1
+7.0SemifinalJIANGSU RUNTAI114♠♥A-1+4
+6.7SemifinalJIANGSU RUNTAI394♥♦9-2+0
+6.3SemifinalJIANGSU RUNTAI453♥♠A=+6
+6.0QuarterfinalZHANG44♥♦6-1+12
+6.0QuarterfinalZHANG381♥♥J+3+10
+6.0QuarterfinalZHANG493NT♠2=+0
+5.0SemifinalJIANGSU RUNTAI91NT♥Q+3+2
+5.0SemifinalJIANGSU RUNTAI101NT♦3-1+5
+5.0SemifinalJIANGSU RUNTAI322♠♦9-1+5
+5.0SemifinalJIANGSU RUNTAI544♠♣A=+13
+4.8QuarterfinalZHANG221NT♠T+1+9
+4.6QuarterfinalZHANG143♠♠4+1+2
+4.3SemifinalJIANGSU RUNTAI424♠♦3+1+0
+4.1QuarterfinalZHANG104♥♣A+1+4
+3.8QuarterfinalZHANG364♠♥A+1+11
+3.7QuarterfinalZHANG113NT♣K-1+10
+3.7QuarterfinalZHANG133NT♠5-1+5
+3.0SemifinalJIANGSU RUNTAI491NT♥A-3-3
+2.4QuarterfinalZHANG323NT♠3-1+6
+2.4QuarterfinalZHANG475♥x♣2-1+0
+2.0SemifinalJIANGSU RUNTAI304♠♥4-1-5
+1.9QuarterfinalZHANG64♠♥6-1+6
+1.8QuarterfinalZHANG463♥♦A-2+3
+1.6QuarterfinalZHANG243♦♣J-2+0
+1.4QuarterfinalZHANG424♥♠3=+1
+1.2QuarterfinalZHANG542NT♥4=+6
+1.0QuarterfinalZHANG83NT♣5+2+1
+1.0QuarterfinalZHANG413NT♦3=-1
+1.0SemifinalJIANGSU RUNTAI292♥♦Q+2+1
+1.0SemifinalJIANGSU RUNTAI432♠♣A-1+5
+1.0SemifinalJIANGSU RUNTAI462NT♠4-2+2
+0.7QuarterfinalZHANG23NT♠2+1+0
+0.7SemifinalJIANGSU RUNTAI313♥♥7+1-2
+0.7SemifinalJIANGSU RUNTAI363♥♣A-1+2
+0.7SemifinalJIANGSU RUNTAI374♠♣Q-3+1
+0.6QuarterfinalZHANG193♠♣J-1-1
+0.6QuarterfinalZHANG303♦♥K-1-2
+0.4QuarterfinalZHANG173NT♣9+2+0
+0.4QuarterfinalZHANG294♣♦Q-2+0
+0.3SemifinalJIANGSU RUNTAI524♥♣6+1+0
+0.2QuarterfinalZHANG181NT♠3-1-6
+0.2QuarterfinalZHANG353♣♥K-1+6
+0.2QuarterfinalZHANG502♠♣K+1+7
+0.2QuarterfinalZHANG522♠♠4+1+0
+0.0QuarterfinalZHANG314♥♠2+1+0
+0.0QuarterfinalZHANG344♥♠A=+0
+0.0QuarterfinalZHANG394♠♣Q+1+0
-0.0QuarterfinalZHANG444♠♣A+1+0
-0.0QuarterfinalZHANG453NT♠J-1-10
+0.0SemifinalJIANGSU RUNTAI34♥♣3=+0
+0.0SemifinalJIANGSU RUNTAI54♥♣4-1+5
-0.0SemifinalJIANGSU RUNTAI334♥♠K=+0
-0.0SemifinalJIANGSU RUNTAI556♣♦Q=+0
-0.3SemifinalJIANGSU RUNTAI516♠♦A=+0
-0.4QuarterfinalZHANG481NT♠Q+2-1
-0.4QuarterfinalZHANG562♠♥A+2+10
-0.6QuarterfinalZHANG512♠♦2-1-6
-1.0SemifinalJIANGSU RUNTAI64♠♣A-1-4
-1.3SemifinalJIANGSU RUNTAI22♣♦J=-5
-1.3SemifinalJIANGSU RUNTAI81NT♦3+1+0
-1.4QuarterfinalZHANG95♥♠A=+0
-1.6QuarterfinalZHANG125♠♦6=+11
-1.8QuarterfinalZHANG272♠♥J+1+1
-2.0SemifinalJIANGSU RUNTAI472♥♦Q+2+6
-2.4QuarterfinalZHANG332♥♣6=+0
-2.4QuarterfinalZHANG434♠♦4+1+0
-2.7SemifinalJIANGSU RUNTAI132♠♥A+2-10
-2.7SemifinalJIANGSU RUNTAI355♦♥2=+11
-2.7SemifinalJIANGSU RUNTAI443NT♥4-2-7
-3.0SemifinalJIANGSU RUNTAI73NT♠4-3-9
-3.3SemifinalJIANGSU RUNTAI122♠♥4=+1
-3.6QuarterfinalZHANG254♥♠4-1-5
-3.7SemifinalJIANGSU RUNTAI343NT♠A+1+0
-3.7SemifinalJIANGSU RUNTAI503NT♦9+2-2
-4.0QuarterfinalZHANG285♦♠A-1-6
-4.0SemifinalJIANGSU RUNTAI483NT♠2-1-6
-4.0SemifinalJIANGSU RUNTAI563♠♥2=+0
-4.3SemifinalJIANGSU RUNTAI11NT♥2=+0
-4.3SemifinalJIANGSU RUNTAI386♠♣K+1+13
-4.8QuarterfinalZHANG153NT♣6-1-12
-5.2QuarterfinalZHANG165♣♥K=-13
-5.2QuarterfinalZHANG204♠♥A+3-17
-5.4QuarterfinalZHANG556♠♦K=+0
-6.0QuarterfinalZHANG214♠♣2=-7
-6.4QuarterfinalZHANG404♠♦Q-1-14
-8.6QuarterfinalZHANG373♠♣T+1-11
-8.7QuarterfinalZHANG36♣♥A=+0
-9.3SemifinalJIANGSU RUNTAI44♠♥K+2-2
-9.7QuarterfinalZHANG16♣♠A=+0