ZHUANG Zejun · SAIC

41rank
+27.3Butler · 102 bds
+0.27per board
±3.9swing
+1.37vs par /bd · #1/26
+0.10adjusted /bd
Butler per round: 18.1 22.2 22.2 8.2 8.2 -21.2 -21.2by round

vs par split: bidding +1.33 · play +0.04

Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 65.5% #25 of 26 · declarer play 86.4% #1 of 26 · defence 89.7% #7 of 26

Card play by contract type — on target
vs NTvs a suit
Opening leads37.5% (8)76.2% (21)
Declarer play80.0% (5)88.2% (17)
Defence95.0% (20)86.8% (38)

Opening leads by suit led: ♠ 75.0% (8) · ♥ 55.6% (9) · ♦ 50.0% (6) · ♣ 83.3% (6)

vs par by strain: NT +2.56 (32) · a suit +0.83 (70)

vs par by level: part-score +1.58 (38) · game +1.36 (56) · slam +0.50 (8)

By role: declaring -0.37/bd (-1.50 vs par · 44) · defending +0.75/bd (+3.55 vs par · 58)

By vulnerability: vulnerable -0.05/bd (+2.20 vs par · 51) · not vulnerable +0.58/bd (+0.55 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32W.WangB.Zhang – N.WangOpen14+18.1+1.29+1.43
Round of 16W.WangR.Li – D.HuOpen14+22.3+1.59+2.14
Round of 16W.WangR.Li – D.HuOpen14-0.1-0.01+3.07
QuarterfinalW.WangV.Aronov – A.ZobuOpen14-13.1-0.94-2.79
QuarterfinalW.WangU.Semerci – Y.AtabeyClosed14+21.3+1.52+1.86
SemifinalW.WangL.Yang – H.WangClosed16-3.2-0.20+1.56
SemifinalW.WangJ.Dai – Y.ZhangOpen16-18.0-1.12+2.19

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
+13.0QuarterfinalATABEY213NT♥6-2+13
+10.0SemifinalGEELY AUTOMOBILE274♥♦10+3+10
+9.7SemifinalGEELY AUTOMOBILE283NT♠Q-2+12
+8.6QuarterfinalATABEY253NT♥9-1+10
+6.7Round of 32SHENZHEN NANGANG POWER164♠♣6-2+8
+6.6Round of 16YUNNAN55♠♥7=+4
+6.3Round of 32SHENZHEN NANGANG POWER156♠x♥5-5+10
+5.6QuarterfinalATABEY283♠♣K=+12
+4.7QuarterfinalATABEY135♣x♦K-2+7
+4.6Round of 16YUNNAN95♦♦5-2+0
+4.6QuarterfinalATABEY51NT♠Q=+5
+4.5Round of 32SHENZHEN NANGANG POWER273NT♣6-1+5
+4.3Round of 16YUNNAN223NT♠4-2+8
+3.9Round of 16YUNNAN113NT♥7-2+0
+3.8Round of 16YUNNAN241NT♠5+1+0
+3.7SemifinalGEELY AUTOMOBILE15♠♥4+1+5
+3.6Round of 32SHENZHEN NANGANG POWER173NT♥10=+0
+3.4Round of 16YUNNAN232♠♥10=+6
+3.3SemifinalGEELY AUTOMOBILE163NT♥J=+7
+3.0Round of 32SHENZHEN NANGANG POWER214♠♣6+2+11
+3.0QuarterfinalATABEY104♠♦J+1+0
+3.0SemifinalGEELY AUTOMOBILE143♥♠4+1+7
+3.0SemifinalGEELY AUTOMOBILE303♥♥3-3+1
+2.8Round of 16YUNNAN124♥♠A-1-2
+2.7QuarterfinalATABEY32♠♣A=+0
+2.6QuarterfinalATABEY23♥♠A-2+0
+2.2Round of 16YUNNAN141NT♠6+1+0
+2.1QuarterfinalATABEY173♣♥K=+0
+2.0QuarterfinalATABEY205♦x♥K-1+2
+2.0QuarterfinalATABEY241♠♠5=+0
+2.0SemifinalGEELY AUTOMOBILE113NT♥6-1+5
+1.7QuarterfinalATABEY264♠♥5-1+6
+1.3Round of 16YUNNAN73♣♦2=+0
+1.3Round of 16YUNNAN251NT♣3=+1
+1.2Round of 32SHENZHEN NANGANG POWER265♦♣A=-2
+1.1Round of 16YUNNAN273NT♠10+1+0
+1.0Round of 32SHENZHEN NANGANG POWER224♥♣A=+0
+1.0Round of 16YUNNAN46♦♣A-1+12
+1.0Round of 16YUNNAN133NT♦7+1+1
+1.0SemifinalGEELY AUTOMOBILE152NT♥10=+1
+0.7Round of 16YUNNAN13♣♠K=+5
+0.7Round of 16YUNNAN62♠♥7=+0
+0.7SemifinalGEELY AUTOMOBILE222♠♣J=+1
+0.7SemifinalGEELY AUTOMOBILE254♠♠Q=+1
+0.4Round of 16YUNNAN103NT♠6+3+12
+0.4Round of 16YUNNAN174♥♦4=+0
+0.3QuarterfinalATABEY154♠♥K+1+0
+0.3SemifinalGEELY AUTOMOBILE63NT♠6+2+0
+0.3SemifinalGEELY AUTOMOBILE84♥♠2=+0
+0.0Round of 32SHENZHEN NANGANG POWER184♠♣2=+0
-0.0Round of 32SHENZHEN NANGANG POWER192♣♦4+1+0
+0.0Round of 32SHENZHEN NANGANG POWER283♥♣A+1+6
-0.0QuarterfinalATABEY184♥♣J=+0
-0.0QuarterfinalATABEY222♠♣A-1-3
+0.0SemifinalGEELY AUTOMOBILE22NT♠Q=+0
+0.0SemifinalGEELY AUTOMOBILE54♠♣K=+0
+0.0SemifinalGEELY AUTOMOBILE123NT♠4+2+11
-0.0SemifinalGEELY AUTOMOBILE324♦♥3-1-2
-0.1QuarterfinalATABEY43♥♣J=+0
-0.3Round of 16YUNNAN212♥♦8+1+7
-0.3Round of 16YUNNAN286NT♣J=+11
-0.3SemifinalGEELY AUTOMOBILE173NT♠6+2+10
-0.3SemifinalGEELY AUTOMOBILE194♠♦K+2+11
-0.3SemifinalGEELY AUTOMOBILE203NT♠2+1+13
-0.3SemifinalGEELY AUTOMOBILE292♠♥3+1+10
-0.4Round of 16YUNNAN182♠♦3=+1
-0.7Round of 16YUNNAN33♥♥4-3+10
-0.7Round of 16YUNNAN152♥♦4+1+7
-0.7Round of 16YUNNAN161NT♦4=+1
-0.7SemifinalGEELY AUTOMOBILE44♠♦8=-1
-0.8Round of 32SHENZHEN NANGANG POWER234♥♦Q+1+0
-0.8Round of 16YUNNAN83NT♥9+2-11
-1.0Round of 32SHENZHEN NANGANG POWER252♥♦K+3-6
-1.2Round of 16YUNNAN265♥x♠A-1+0
-1.4Round of 16YUNNAN23♣♦A-1-1
-1.7QuarterfinalATABEY81NT♥Q=-1
-1.7QuarterfinalATABEY164♠♦10-2-8
-1.7SemifinalGEELY AUTOMOBILE72♦♠A=+1
-2.3QuarterfinalATABEY123NT♦A=-6
-2.4QuarterfinalATABEY113♦♦5=-5
-2.7QuarterfinalATABEY271♠♥2+4-2
-2.9Round of 32SHENZHEN NANGANG POWER245♠♠5=-1
-2.9QuarterfinalATABEY14♥♦J-1-5
-2.9QuarterfinalATABEY63NT♥5=-10
-3.3SemifinalGEELY AUTOMOBILE92NT♥K=+0
-3.3SemifinalGEELY AUTOMOBILE314♥♠5-1-11
-3.5Round of 32SHENZHEN NANGANG POWER205♣♥10=-11
-3.6QuarterfinalATABEY193NT♠6-1-6
-3.7SemifinalGEELY AUTOMOBILE35♥♦A=+0
-3.7SemifinalGEELY AUTOMOBILE103NT♠8+1+1
-3.7SemifinalGEELY AUTOMOBILE134♥♥K-1-12
-4.3QuarterfinalATABEY94♥♠9=-3
-4.3SemifinalGEELY AUTOMOBILE266♠♥K=+0
-5.1Round of 16YUNNAN206♦♠8-1-7
-5.4QuarterfinalATABEY143NT♥4=-11
-5.7Round of 16YUNNAN192♠x♥A-2+8
-6.0QuarterfinalATABEY236♦♣5=+2
-6.0SemifinalGEELY AUTOMOBILE246♠♣A-1-10
-6.3SemifinalGEELY AUTOMOBILE214♥x♣5-2-10
-8.0SemifinalGEELY AUTOMOBILE234♠♥J+2+13
-8.7QuarterfinalATABEY72♦♠7+3-10
-13.0SemifinalGEELY AUTOMOBILE186♥♥4-1-14