LIU Yi Qian · SAIC

75rank
-46.5Butler · 102 bds
-0.46per board
±5.4swing
-1.13vs par /bd · #25/26
+0.01adjusted /bd
Butler per round: -13.8 -19.3 -19.3 16.2 16.2 -29.6 -29.6by round

vs par split: bidding -1.05 · play -0.08

Strength of schedule: opponents averaged +0.46/bd (a tough draw) → opponent-adjusted +0.01/bd

Card play — on target: opening leads 78.9% #15 of 26 · declarer play 66.7% #22 of 26 · defence 90.5% #3 of 26

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (8)81.8% (11)
Declarer play50.0% (10)75.0% (20)
Defence85.7% (14)92.9% (28)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 83.3% (6) · ♦ 80.0% (5) · ♣ 50.0% (4)

vs par by strain: NT -1.39 (33) · a suit -1.00 (69)

vs par by level: part-score -0.16 (37) · game -1.09 (55) · slam -4.90 (10)

By role: declaring +0.21/bd (-2.78 vs par · 60) · defending -1.41/bd (+1.24 vs par · 42)

By vulnerability: vulnerable -0.37/bd (-1.39 vs par · 51) · not vulnerable -0.55/bd (-0.86 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32W.WangX.Shi – C.HuClosed14-13.8-0.99-1.07
Round of 16W.WangD.Yu – A.ZhuClosed14-9.5-0.68-1.14
Round of 16W.WangD.Yu – A.ZhuClosed14-9.8-0.70-3.29
QuarterfinalW.WangU.Semerci – Y.AtabeyClosed14-9.3-0.66+2.07
QuarterfinalW.WangV.Aronov – A.ZobuOpen14+25.5+1.82+1.07
SemifinalW.WangJ.Dai – Y.ZhangOpen16-23.9-1.49-2.25
SemifinalW.WangL.Yang – H.WangClosed16-5.7-0.36-2.88

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
+13.3SemifinalGEELY AUTOMOBILE15♦♥K=+12
+11.6Round of 32SHENZHEN NANGANG POWER263♠♦A=+13
+11.5Round of 16YUNNAN95♦x♥2=+14
+11.3SemifinalGEELY AUTOMOBILE126♦♠5=-2
+8.7SemifinalGEELY AUTOMOBILE283NT♥6+2+4
+8.5Round of 16YUNNAN113NT♥6=+11
+8.1QuarterfinalATABEY193NT♠K-3+10
+8.1QuarterfinalATABEY274♠♥2=+7
+8.0Round of 32SHENZHEN NANGANG POWER173NT♥10-2+11
+8.0SemifinalGEELY AUTOMOBILE234♠♥J+2-13
+7.6QuarterfinalATABEY135♠x♥7-1+9
+6.0QuarterfinalATABEY236♦♣A=-2
+4.3QuarterfinalATABEY94♥♠9=+3
+4.3QuarterfinalATABEY263♠♥5=+0
+4.1Round of 16YUNNAN143NTx♠6-1+6
+4.0QuarterfinalATABEY31NT♠7+1+6
+3.9QuarterfinalATABEY242♠♦6-2+5
+3.5Round of 16YUNNAN63♠♥7-1+4
+3.4QuarterfinalATABEY254♠♣2=+1
+3.3Round of 16YUNNAN265♣♠A-1+3
+3.3SemifinalGEELY AUTOMOBILE276♥♣A=+0
+3.3SemifinalGEELY AUTOMOBILE314♥♠2-1+11
+3.2Round of 16YUNNAN74♣♠A-1+5
+3.2Round of 16YUNNAN223♣♥4=-1
+3.0SemifinalGEELY AUTOMOBILE72NT♠9=+0
+2.5Round of 16YUNNAN242♦♣5-2+6
+2.3QuarterfinalATABEY123NT♦A=+6
+1.9Round of 32SHENZHEN NANGANG POWER252♥♦K+2+7
+1.7QuarterfinalATABEY164♠♦10-2+8
+1.6QuarterfinalATABEY112♦♣4=+5
+1.5Round of 16YUNNAN182♠♦3+1+0
+1.4Round of 16YUNNAN162♥♣J=+0
+0.9QuarterfinalATABEY213NT♥7=-2
+0.7QuarterfinalATABEY154♠♥K=+1
+0.7SemifinalGEELY AUTOMOBILE92♠♣6-1-2
+0.7SemifinalGEELY AUTOMOBILE222♠♠7+1+0
+0.7SemifinalGEELY AUTOMOBILE303♥♦10-1+2
+0.3Round of 16YUNNAN286♠♦J=-11
+0.3SemifinalGEELY AUTOMOBILE173NT♠6+2-10
+0.3SemifinalGEELY AUTOMOBILE194♠♦K+2-11
+0.1QuarterfinalATABEY43♥♣J=+0
-0.0Round of 32SHENZHEN NANGANG POWER184♠♠3=+0
+0.0Round of 32SHENZHEN NANGANG POWER192♠♦4=+0
-0.0Round of 32SHENZHEN NANGANG POWER282♥♣A+2-6
+0.0QuarterfinalATABEY184♥♣10=+0
-0.0SemifinalGEELY AUTOMOBILE21NT♠Q+1+0
-0.0SemifinalGEELY AUTOMOBILE54♠♣K=+0
+0.0SemifinalGEELY AUTOMOBILE213NT♣Q-2+6
+0.0SemifinalGEELY AUTOMOBILE323NT♥5-1+2
-0.1Round of 32SHENZHEN NANGANG POWER205♣x♥10=+8
-0.1Round of 16YUNNAN133NT♦K=+0
-0.1Round of 16YUNNAN273NT♦9=+1
-0.2Round of 32SHENZHEN NANGANG POWER234♥♦Q=-1
-0.3SemifinalGEELY AUTOMOBILE63NT♠5+2+0
-0.3SemifinalGEELY AUTOMOBILE84♥♠2=+0
-0.4Round of 16YUNNAN103NT♠8+3-12
-0.4Round of 16YUNNAN151♠♠2+1-7
-0.4Round of 16YUNNAN174♥♣7=+0
-0.6QuarterfinalATABEY23♥♦K-1+2
-0.6QuarterfinalATABEY81NT♥Q+2-1
-0.7Round of 16YUNNAN212♥♦8=-7
-0.7SemifinalGEELY AUTOMOBILE44♠♥2+1+0
-0.7SemifinalGEELY AUTOMOBILE254♥♠Q=-1
-1.0Round of 32SHENZHEN NANGANG POWER224♥♣5=+0
-1.0Round of 16YUNNAN44♠♦4-1-12
-1.0SemifinalGEELY AUTOMOBILE203NT♣3=-13
-1.0SemifinalGEELY AUTOMOBILE291NT♥K+1-10
-1.3Round of 16YUNNAN251NT♠Q=-1
-1.6QuarterfinalATABEY223♠♣A-2+1
-2.0QuarterfinalATABEY104♠♦Q=+1
-2.0QuarterfinalATABEY205♦♥K-2-2
-2.3QuarterfinalATABEY73NT♣10=+1
-2.4QuarterfinalATABEY172NT♠2=+0
-2.7QuarterfinalATABEY11NT♣4+1+1
-3.0Round of 32SHENZHEN NANGANG POWER215♠♥2+1-11
-3.3Round of 16YUNNAN12NT♣J-4-7
-3.3SemifinalGEELY AUTOMOBILE163NT♥J=-7
-3.4Round of 16YUNNAN232♠♦Q=-6
-4.3SemifinalGEELY AUTOMOBILE113NT♦5-2-6
-4.3SemifinalGEELY AUTOMOBILE133♥♥K=+10
-4.4Round of 16YUNNAN33NT♠J-1-12
-4.5Round of 32SHENZHEN NANGANG POWER164♠♥3-1-6
-4.5Round of 32SHENZHEN NANGANG POWER273NT♣5-1-5
-4.6QuarterfinalATABEY51NT♠A=-5
-4.9Round of 16YUNNAN123♠♥A+1-2
-5.6QuarterfinalATABEY283♠♣K=-12
-6.6Round of 16YUNNAN54♠♦2+1-4
-6.7SemifinalGEELY AUTOMOBILE152NT♦4-1-5
-7.0SemifinalGEELY AUTOMOBILE145♦x♥A-2-10
-7.0SemifinalGEELY AUTOMOBILE244♠♦7=+0
-7.4Round of 16YUNNAN193NT♦2-3-14
-7.7QuarterfinalATABEY146♣♠6=+2
-8.3Round of 16YUNNAN205♦♠K=-9
-8.3SemifinalGEELY AUTOMOBILE186♥♦K=+0
-8.7QuarterfinalATABEY62NT♥A-2-1
-8.9Round of 32SHENZHEN NANGANG POWER246♠♦J-2-11
-9.5Round of 16YUNNAN25♣x♦A-3-9
-10.1Round of 16YUNNAN86♣♠A=+2
-12.3SemifinalGEELY AUTOMOBILE104♥♣7-1-13
-13.0SemifinalGEELY AUTOMOBILE36♥♦2-1-13
-13.0SemifinalGEELY AUTOMOBILE264♠♠3+2-13
-13.1Round of 32SHENZHEN NANGANG POWER156♦x♣8+1-14