MAZURKIEWICZ Marcin · MAZURKIEWICZ

7rank
+45.4Butler · 144 bds
+0.32per board
±4.9swing
-0.08vs par /bd · #9/16
+0.36adjusted /bd
Butler per round: 13 13 13 10.9 10.9 10.9 21.5 21.5 21.5by round

vs par split: bidding -0.05 · play -0.03

Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +0.36/bd

Card play — on target: opening leads 72.2% #12 of 16 · declarer play 79.1% #6 of 16 · defence 87.0% #9 of 16

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)64.3% (14)
Declarer play80.0% (20)78.7% (47)
Defence70.0% (20)93.9% (49)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 50.0% (4) · ♦ 83.3% (6) · ♣ 100.0% (2)

vs par by strain: NT +0.81 (42) · a suit -0.44 (102)

vs par by level: part-score +0.73 (60) · game -0.31 (77) · slam -4.43 (7)

By role: declaring -0.25/bd (-3.23 vs par · 75) · defending +0.93/bd (+3.35 vs par · 69)

By vulnerability: vulnerable +0.53/bd (+0.68 vs par · 72) · not vulnerable +0.10/bd (-0.83 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalK.JassemO.Neve – Z.EngelOpen16+0.1+0.01-0.12
QuarterfinalK.JassemO.Neve – Z.EngelOpen16-11.6-0.72-0.94
QuarterfinalK.JassemO.Neve – Z.EngelOpen16+24.5+1.53-0.69
SemifinalK.JassemA.Sinclair – P.CrouchClosed16+28.2+1.76+0.69
SemifinalK.JassemA.Robson – D.GoldOpen16-25.6-1.60-1.38
SemifinalK.JassemZ.Mahmood – M.MichielsenOpen16+8.3+0.52+0.31
FinalK.JassemX.Zhang – T.JiangClosed16+16.7+1.04-1.31
FinalK.JassemC.Ju – Z.ShiClosed16-4.2-0.26+0.31
FinalK.JassemJ.Kalita – M.NowosadzkiOpen16+9.0+0.56+2.44

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
+12.0SemifinalPERCY74♠♦3+3+3
+12.0FinalJINSHUO94♥♠5-3+14
+11.0QuarterfinalBRULIBU374♥x♣A+1+10
+10.9QuarterfinalBRULIBU293NT♣3=-1
+10.6QuarterfinalBRULIBU223♣x♠A-2+9
+9.0SemifinalPERCY32♠♥2=+11
+8.7FinalJINSHUO162♠x♥K-2-7
+8.3SemifinalPERCY143NT♥9+3+2
+8.0FinalJINSHUO405♦♣3+1+7
+7.7SemifinalPERCY404♥♥5+1+4
+7.7FinalJINSHUO12♣x♠J=+8
+7.0FinalJINSHUO343♠♥9=+7
+6.7SemifinalPERCY93NT♣6+3+11
+6.7SemifinalPERCY133♠♦4-1+12
+6.7FinalJINSHUO223NT♠4-1+10
+6.6QuarterfinalBRULIBU341NTx♥5-3+8
+6.3SemifinalPERCY453NT♣Q-2+8
+6.0QuarterfinalBRULIBU385♣♠A+1-11
+6.0QuarterfinalBRULIBU443♠♠2+1+6
+6.0FinalJINSHUO24♠♥K-2-6
+6.0FinalJINSHUO432♠♦5+1+1
+5.9QuarterfinalBRULIBU194♥♦A-2+8
+5.7SemifinalPERCY316♥♦Q=+0
+5.7SemifinalPERCY363♥♦2-2+2
+5.7FinalJINSHUO183NT♥7+3+1
+5.6QuarterfinalBRULIBU85♦♣8-2+11
+5.0SemifinalPERCY411NTx♣6-2+7
+4.9QuarterfinalBRULIBU352NT♥6-1+6
+4.7SemifinalPERCY257♠♦K=+0
+4.7FinalJINSHUO293NT♥3+2+1
+4.3QuarterfinalBRULIBU11NT♥5=+5
+4.0FinalJINSHUO102♠♠2+1+8
+4.0FinalJINSHUO142♠♦2+1+0
+4.0FinalJINSHUO462♥♦3=+5
+3.9QuarterfinalBRULIBU152♠♦Q-2+5
+3.4QuarterfinalBRULIBU431NT♦2+1-1
+3.3SemifinalPERCY163NT♣2-2+6
+3.3SemifinalPERCY474♥♠2+1+0
+2.9QuarterfinalBRULIBU253NT♠4-2+7
+2.7FinalJINSHUO301NT♣10=-1
+2.3SemifinalPERCY382♠x♥J-4+14
+2.3FinalJINSHUO274♦♣A=+0
+1.7FinalJINSHUO326♠♥J=-7
+1.6QuarterfinalBRULIBU462♠♥3+1+1
+1.4QuarterfinalBRULIBU44♥♥2+1+0
+1.3SemifinalPERCY24♥♥5=+0
+1.3FinalJINSHUO151NT♠8=+5
+1.3FinalJINSHUO213NT♠J+2+0
+1.0QuarterfinalBRULIBU63NT♥2=+0
+0.7SemifinalPERCY263NT♣2+3+13
+0.7FinalJINSHUO264♥♠8=+0
+0.6QuarterfinalBRULIBU54♥♣4+1+11
+0.6QuarterfinalBRULIBU181NT♥2-1-2
+0.6QuarterfinalBRULIBU233NT♦2+2+0
+0.6QuarterfinalBRULIBU363NT♠Q+1+0
+0.4QuarterfinalBRULIBU34♥♦A+2-11
+0.3QuarterfinalBRULIBU263NT♠5+2+13
+0.3QuarterfinalBRULIBU334♠♥2+2-11
+0.3SemifinalPERCY45♦♦4+1+1
+0.3SemifinalPERCY101NT♦10+2+1
+0.3SemifinalPERCY113NT♥6=-7
+0.3SemifinalPERCY235♦♣K=+0
+0.3SemifinalPERCY324♥♦2+1+1
+0.3SemifinalPERCY373NT♠6+2+0
+0.3SemifinalPERCY422♥♣A=+0
+0.3FinalJINSHUO53NT♥4=+1
+0.3FinalJINSHUO192♣♠J+1+1
+0.1QuarterfinalBRULIBU74♠♦8+1+13
+0.1QuarterfinalBRULIBU124♥♥2=+0
+0.0QuarterfinalBRULIBU93NT♦2+2+0
+0.0QuarterfinalBRULIBU244♥♠10+1+0
-0.0SemifinalPERCY54♥♦10+2-11
+0.0SemifinalPERCY173♠♦5=-1
+0.0SemifinalPERCY203NT♣J+1+13
+0.0SemifinalPERCY212♥♦2+1+6
+0.0SemifinalPERCY332♥♥A=+0
+0.0SemifinalPERCY344♠♦2+1-10
+0.0FinalJINSHUO332♣♣5+1+0
+0.0FinalJINSHUO355♠♥3+1+12
+0.0FinalJINSHUO364♠♣K+1+0
+0.0FinalJINSHUO376♦♦3+1+11
+0.0FinalJINSHUO384♠x♦Q-1+9
+0.0FinalJINSHUO394♠♦3=-1
+0.0FinalJINSHUO413♠♥2=-7
+0.0FinalJINSHUO422♥♦4+1+0
+0.0FinalJINSHUO474♥♠2=+0
+0.0FinalJINSHUO485♠♥J=+4
-0.3QuarterfinalBRULIBU213♦♣K-1+5
-0.3SemifinalPERCY81NT♣2-2-1
-0.3SemifinalPERCY274♦♥K-1-4
-0.3SemifinalPERCY433♦♠9+1+0
-0.3FinalJINSHUO44♥♣K=-13
-0.3FinalJINSHUO134♠♥5+1+0
-0.4QuarterfinalBRULIBU22♥♦5+1+1
-0.7QuarterfinalBRULIBU454♥♠5+1-13
-0.7SemifinalPERCY194♥♣6+1+0
-0.7SemifinalPERCY353NT♣Q=-1
-0.7FinalJINSHUO234♠♦J+1-1
-1.0QuarterfinalBRULIBU471NT♦2-1+0
-1.0QuarterfinalBRULIBU482♠♣K=+9
-1.0SemifinalPERCY443♣♥4+1+0
-1.0FinalJINSHUO74♠♦6+1+0
-1.1QuarterfinalBRULIBU413NT♣6-1+6
-1.3QuarterfinalBRULIBU172♥♠5-1+2
-1.7SemifinalPERCY291NT♥2=-11
-1.7FinalJINSHUO253♣♦8-2+7
-1.9QuarterfinalBRULIBU103♥♠7+1-8
-2.0FinalJINSHUO62♠♣J=+0
-2.0FinalJINSHUO173♠♥K-1+3
-2.0FinalJINSHUO204♠♥8+2+12
-2.3QuarterfinalBRULIBU134♠♠2-1-6
-2.7QuarterfinalBRULIBU114♠♣A-2-6
-3.0QuarterfinalBRULIBU323NT♣2+2-11
-3.0SemifinalPERCY13♠♦A-1-6
-3.0SemifinalPERCY482♥♥10+1+0
-3.0FinalJINSHUO86NT♣8=-11
-3.3SemifinalPERCY64♠♥Q=+0
-3.3SemifinalPERCY223♦♦7=+0
-3.3SemifinalPERCY461NT♥6=-5
-3.4QuarterfinalBRULIBU162♠♦K=-6
-3.4QuarterfinalBRULIBU273♥♠6=-1
-3.4QuarterfinalBRULIBU424♠♥K+2-13
-3.7QuarterfinalBRULIBU392♠♣8+1-1
-3.7SemifinalPERCY152♥♠K-2-6
-4.0FinalJINSHUO124♠♥6+1-11
-5.0QuarterfinalBRULIBU404♥♥J-3-7
-5.3SemifinalPERCY244♥♣J-1-10
-6.0FinalJINSHUO443♦♥6=+1
-6.3SemifinalPERCY286♠♦A-1-13
-6.3FinalJINSHUO245♥♠5=+0
-6.6QuarterfinalBRULIBU146NT♣6-1-11
-7.3FinalJINSHUO314♥♣10+2-11
-7.7SemifinalPERCY305♠♣K=-4
-7.7FinalJINSHUO33♦x♥10-2-9
-8.3QuarterfinalBRULIBU304♠♣2+3-14
-8.7QuarterfinalBRULIBU204♣♠K+1-11
-9.0FinalJINSHUO113NT♠7+1+0
-9.1QuarterfinalBRULIBU315♥x♥A-3-12
-9.3QuarterfinalBRULIBU283NT♥5=-7
-9.7SemifinalPERCY125♠x♥A-3-5
-10.0FinalJINSHUO451NT♣2+3-10
-10.3FinalJINSHUO283NT♣J+4-10
-12.0SemifinalPERCY184♥♦A-1-12
-14.3SemifinalPERCY393♠x♥A-6-14