🇨🇳 LIU Yi Qian · CHINA

19rank
+119.5Butler · 224 bds
+0.53per board
±4.6swing
+0.28vs par /bd · #42/130
+0.52adjusted /bd
Butler per round: 30 33 10.7 -6.5 2 -6 6.9 22.1 -17.7 -24.3 39.2 3.8 -6.6 32.9by round

vs par split: bidding -0.18 · play +0.18

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +0.52/bd

Card play — on target: opening leads 84.4% #35 of 130 · declarer play 85.3% #11 of 130 · defence 88.4% #57 of 130

Card play by contract type — on target
vs NTvs a suit
Opening leads·84.4% (32)
Declarer play·85.3% (34)
Defence·88.4% (69)

Opening leads by suit led: ♠ 100.0% (11) · ♥ 87.5% (8) · ♦ 60.0% (10) · ♣ 100.0% (3)

vs par by strain: a suit -0.01 (146)

vs par by level: part-score +1.46 (55) · game -1.15 (80) · slam +1.00 (11)

By role: declaring +0.49/bd (-1.46 vs par · 115) · defending +0.57/bd (+2.12 vs par · 109)

By vulnerability: vulnerable +0.75/bd (+0.32 vs par · 112) · not vulnerable +0.32/bd (+0.24 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2P.WangF.Hirschaut – I.SmithClosed16+30.0+1.88+1.81
Round 3P.WangF.Hoogweg – W.Van ZwolOpen16+33.0+2.06+2.81
Round 5P.WangF.Beale – D.SmartOpen16+10.7+0.67+1.25
Round 6P.WangB.Cronier – S.WillardClosed16-6.5-0.41-0.12
Round 8P.WangZ.Azwer – R.SaigolClosed16+2.0+0.12+3.12
Round 9P.WangC.Seet – Y.TanOpen16-6.0-0.38-1.12
Round 11P.WangS.Auken – D.Von ArnimOpen16+6.9+0.43-1.06
Round 12P.WangS.Kriftner – S.TerraneoOpen16+22.1+1.38+0.38
Round 14P.WangH.Dhondy – N.SmithOpen16-17.7-1.11-0.56
Round 15P.WangJ.Sprung – K.SulgroveClosed16-24.3-1.52-2.69
Round 17P.WangM.O'Hana – L.KabbajClosed16+39.2+2.45+1.38
Round 18P.WangM.Gronkvist – C.ForsbergOpen16+3.8+0.24-1.75
Round 20P.WangT.Lloyd – P.McleishClosed16-6.6-0.41-0.19
Round 21P.WangJ.Levin – S.PicusOpen16+32.9+2.06+0.69

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
+12.1Round 17🇲🇦 MOROCCO136♠♦J-1+17
+11.8Round 12🇦🇹 AUSTRIA93N♠7-1+13
+11.6Round 20🇳🇿 NEW ZEALAND104♥♠9-1+7
+10.8Round 3🇳🇱 NETHERLANDS44♥♦J=+9
+10.2Round 17🇲🇦 MOROCCO56N♣J-1+13
+10.0Round 5🇦🇺 AUSTRALIA93N♣A-1+10
+10.0Round 15🇺🇸 USA 214♥x♥3-4-3
+9.9Round 21🇺🇸 USA 1146♣♠3=-2
+9.8Round 8🇵🇰 PAKISTAN36♦♠6-1+17
+9.5Round 5🇦🇺 AUSTRALIA75♣♠A=+10
+9.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23N♠3=+11
+9.1Round 2🇻🇪 VENEZUELA32♦♦5=+13
+9.0Round 3🇳🇱 NETHERLANDS156♠♣A-2+11
+8.6Round 21🇺🇸 USA 1124♠♦5=+0
+8.2Round 12🇦🇹 AUSTRIA104♥♠10=+0
+8.1Round 3🇳🇱 NETHERLANDS84♠♥10-1+10
+7.9Round 2🇻🇪 VENEZUELA65♣♣K=+0
+7.9Round 20🇳🇿 NEW ZEALAND66♥♠A=+12
+7.2Round 21🇺🇸 USA 1133N♥3+2+1
+7.0Round 3🇳🇱 NETHERLANDS163N♣10-1+5
+7.0Round 12🇦🇹 AUSTRIA43N♣5=+10
+7.0Round 20🇳🇿 NEW ZEALAND144♥♦A=+3
+6.6Round 6🇫🇷 FRANCE82N♠2+1+7
+6.5Round 11🇩🇪 GERMANY43♥♦A-4+6
+6.5Round 11🇩🇪 GERMANY164♥♠K=+0
+6.0Round 6🇫🇷 FRANCE123N♥J+3+13
+6.0Round 21🇺🇸 USA 162♠♣9+1+10
+5.8Round 2🇻🇪 VENEZUELA74♠♥K-1-1
+5.5Round 21🇺🇸 USA 1163N♥6-2+2
+5.3Round 2🇻🇪 VENEZUELA114♥♣10+1+11
+5.1Round 9🇸🇬 SINGAPORE102♠♠10+2+10
+5.1Round 18🇸🇪 SWEDEN107♦♦10=+4
+4.9Round 5🇦🇺 AUSTRALIA134♠♣10=+0
+4.9Round 18🇸🇪 SWEDEN162♥♥Q+2+7
+4.8Round 2🇻🇪 VENEZUELA12♠♦Q+1+7
+4.6Round 3🇳🇱 NETHERLANDS22♥♦8+3+8
+4.6Round 17🇲🇦 MOROCCO83N♣K-2+5
+4.5Round 2🇻🇪 VENEZUELA152♠♦5+1+1
+4.5Round 21🇺🇸 USA 154♥♥6=+3
+4.4Round 17🇲🇦 MOROCCO61N♦8+1+6
+4.2Round 12🇦🇹 AUSTRIA83N♥10+1+0
+4.2Round 21🇺🇸 USA 141N♥10-1+6
+4.0Round 12🇦🇹 AUSTRIA114♠♦A=+0
+3.9Round 15🇺🇸 USA 2124♠♣7-1+6
+3.9Round 18🇸🇪 SWEDEN84♠x♦K-2-4
+3.8Round 12🇦🇹 AUSTRIA134♥♠8+1+1
+3.8Round 12🇦🇹 AUSTRIA143N♦4-1+4
+3.7Round 21🇺🇸 USA 124N♣8=+14
+3.6Round 6🇫🇷 FRANCE71N♠10+2-10
+3.6Round 15🇺🇸 USA 2103♠♠3=+0
+3.5Round 9🇸🇬 SINGAPORE144♠♦Q+1+0
+3.5Round 17🇲🇦 MOROCCO32N♠3=+0
+3.3Round 5🇦🇺 AUSTRALIA123N♦Q=+17
+3.3Round 18🇸🇪 SWEDEN134♠♣A-2+7
+3.2Round 8🇵🇰 PAKISTAN13N♥2+2+2
+3.1Round 2🇻🇪 VENEZUELA93♣♠7=-1
+3.1Round 18🇸🇪 SWEDEN146N♣4+1+11
+3.0Round 2🇻🇪 VENEZUELA81♠♣10=+5
+3.0Round 20🇳🇿 NEW ZEALAND123♠♣A-3+10
+2.9Round 21🇺🇸 USA 183♥♠2+1+7
+2.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♥♥10-2-1
+2.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93N♠3=+0
+2.6Round 17🇲🇦 MOROCCO161N♣Q+1+6
+2.5Round 2🇻🇪 VENEZUELA142♠♥A=+5
+2.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♦x♥A-2+13
+2.4Round 17🇲🇦 MOROCCO94♥♠K-2+6
+2.4Round 20🇳🇿 NEW ZEALAND53N♦8+3+1
+2.3Round 11🇩🇪 GERMANY114♠x♣K-1+5
+2.2Round 6🇫🇷 FRANCE133♠♥J-1+1
+2.2Round 18🇸🇪 SWEDEN91N♦5+1+0
+2.1Round 9🇸🇬 SINGAPORE24♥♣8+1+0
+2.0Round 8🇵🇰 PAKISTAN44♥x♠K-1+8
+2.0Round 11🇩🇪 GERMANY22♠♠3=+0
+1.9Round 8🇵🇰 PAKISTAN64♠♦3-1+5
+1.8Round 5🇦🇺 AUSTRALIA43♦♦J+1+1
+1.8Round 5🇦🇺 AUSTRALIA82N♦10+2+1
+1.8Round 9🇸🇬 SINGAPORE44♥♠9+1+0
+1.8Round 9🇸🇬 SINGAPORE152N♥7=+6
+1.8Round 17🇲🇦 MOROCCO14♥♦A=-11
+1.7Round 3🇳🇱 NETHERLANDS13N♦9+2+1
+1.7Round 5🇦🇺 AUSTRALIA164♥♦4-2+5
+1.7Round 12🇦🇹 AUSTRIA14♠♦5=+0
+1.7Round 21🇺🇸 USA 131N♥Q=+11
+1.6Round 2🇻🇪 VENEZUELA164♠♠3+1+14
+1.6Round 11🇩🇪 GERMANY94♠♥4=+0
+1.5Round 8🇵🇰 PAKISTAN95♠♥A=+4
+1.5Round 8🇵🇰 PAKISTAN161N♠J+2+1
+1.4Round 17🇲🇦 MOROCCO21N♠3+1+0
+1.4Round 18🇸🇪 SWEDEN152♣♠J+3+1
+1.3Round 17🇲🇦 MOROCCO102♠♦K+2-10
+1.2Round 5🇦🇺 AUSTRALIA152♠♥K+1+0
+1.2Round 8🇵🇰 PAKISTAN22♠♦4+2+8
+1.2Round 18🇸🇪 SWEDEN44♠♦A+1+0
+1.1Round 8🇵🇰 PAKISTAN104♠♠A+1+0
+1.1Round 12🇦🇹 AUSTRIA65♣♠5=-11
+1.1Round 18🇸🇪 SWEDEN33N♥2=+0
+1.0Round 5🇦🇺 AUSTRALIA112♠♦J-1+2
+1.0Round 11🇩🇪 GERMANY13♦♠3=-7
+1.0Round 11🇩🇪 GERMANY104♥♠10=+1
+1.0Round 12🇦🇹 AUSTRIA54♠♣4+1+0
+1.0Round 20🇳🇿 NEW ZEALAND133♣♠A-4-6
+0.9Round 12🇦🇹 AUSTRIA34♠♣Q+1+0
+0.9Round 17🇲🇦 MOROCCO111♠♥3-2+0
+0.9Round 21🇺🇸 USA 175♦♠A-2-9
+0.8Round 8🇵🇰 PAKISTAN113♥♠2+1+1
+0.8Round 20🇳🇿 NEW ZEALAND113N♥4+2+0
+0.7Round 3🇳🇱 NETHERLANDS53N♠5=+0
+0.6Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♥♠K+2-11
+0.5Round 6🇫🇷 FRANCE24♠♥7-2+5
+0.5Round 6🇫🇷 FRANCE112♠♥K+1+0
+0.5Round 11🇩🇪 GERMANY33N♦A=+0
+0.5Round 17🇲🇦 MOROCCO15Pass+7
+0.3Round 18🇸🇪 SWEDEN113♣♥A-1-2
+0.1Round 9🇸🇬 SINGAPORE64♠♦3=+0
+0.1Round 11🇩🇪 GERMANY144♠♦2+1+0
+0.1Round 12🇦🇹 AUSTRIA73♣♠Q=+10
+0.1Round 15🇺🇸 USA 2163N♠9+4-2
-0.0Round 3🇳🇱 NETHERLANDS104♠♦Q+1+0
-0.0Round 6🇫🇷 FRANCE16Pass-3
-0.0Round 15🇺🇸 USA 244♥♦K=+0
+0.0Round 17🇲🇦 MOROCCO43N♠4+1+1
+0.0Round 18🇸🇪 SWEDEN51N♣K-2+1
-0.1Round 2🇻🇪 VENEZUELA133N♥3+2+0
-0.1Round 8🇵🇰 PAKISTAN142♠♥7+1+6
-0.1Round 11🇩🇪 GERMANY62♠♦10+1+0
-0.2Round 2🇻🇪 VENEZUELA53N♠4=+0
-0.2Round 11🇩🇪 GERMANY154♥♣6=+0
-0.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♥4+1+0
-0.3Round 15🇺🇸 USA 262♥♦A+1+7
-0.3Round 15🇺🇸 USA 274♠♣3=+1
-0.4Round 9🇸🇬 SINGAPORE73N♦J+1-1
-0.4Round 20🇳🇿 NEW ZEALAND83♣♥3-2+0
-0.5Round 3🇳🇱 NETHERLANDS113N♥7=-1
-0.5Round 3🇳🇱 NETHERLANDS132♠♥6=-1
-0.5Round 5🇦🇺 AUSTRALIA144♥♠3=+0
-0.5Round 11🇩🇪 GERMANY83N♠4=+11
-0.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♦9+1+11
-0.5Round 18🇸🇪 SWEDEN63♠♥9-1-6
-0.6Round 12🇦🇹 AUSTRIA162♥♦J=+0
-0.7Round 8🇵🇰 PAKISTAN86N♠4+1+11
-0.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣K+1+0
-0.8Round 9🇸🇬 SINGAPORE13Pass-3
-0.9Round 3🇳🇱 NETHERLANDS61N♦2+1+0
-0.9Round 5🇦🇺 AUSTRALIA12♣♥4=+0
-0.9Round 6🇫🇷 FRANCE14♠♣K=+0
-0.9Round 9🇸🇬 SINGAPORE122N♠2-1-4
-0.9Round 15🇺🇸 USA 2113N♣5=+1
-1.0Round 3🇳🇱 NETHERLANDS124♥♠J=-3
-1.0Round 5🇦🇺 AUSTRALIA103♣♠A+1+0
-1.0Round 20🇳🇿 NEW ZEALAND92♦♥K=+7
-1.1Round 3🇳🇱 NETHERLANDS94♥♠J+1+0
-1.1Round 18🇸🇪 SWEDEN26♦♥10-1-11
-1.3Round 3🇳🇱 NETHERLANDS144♠♠6+2+11
-1.3Round 6🇫🇷 FRANCE141N♣Q=-2
-1.3Round 9🇸🇬 SINGAPORE93N♦6=-1
-1.3Round 15🇺🇸 USA 284♠♥2-1-4
-1.3Round 20🇳🇿 NEW ZEALAND162♠♦K=+0
-1.4Round 3🇳🇱 NETHERLANDS32♣♥6+1+1
-1.4Round 9🇸🇬 SINGAPORE84♥♦4+1+0
-1.4Round 9🇸🇬 SINGAPORE113♠♥4-1+4
-1.4Round 17🇲🇦 MOROCCO145♦♠3+1-11
-1.5Round 9🇸🇬 SINGAPORE15♣♥4+1-12
-1.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND131♠♣K+1+0
-1.6Round 5🇦🇺 AUSTRALIA24♠♥10=+0
-1.8Round 20🇳🇿 NEW ZEALAND152♠♥A-1-4
-1.9Round 6🇫🇷 FRANCE41N♥8=-5
-1.9Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41N♠J+3-9
-1.9Round 18🇸🇪 SWEDEN123N♥2-1-10
-2.0Round 6🇫🇷 FRANCE153N♠2+1+0
-2.0Round 9🇸🇬 SINGAPORE53♥♠A-1+2
-2.0Round 11🇩🇪 GERMANY123N♠3-2-5
-2.0Round 17🇲🇦 MOROCCO124♥♦4-1+2
-2.2Round 3🇳🇱 NETHERLANDS74♠♥3-1-6
-2.2Round 21🇺🇸 USA 1153N♦K=+0
-2.4Round 8🇵🇰 PAKISTAN151N♥2+1-1
-2.6Round 2🇻🇪 VENEZUELA43N♥K+2+0
-2.6Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND12♦♥6=-5
-2.6Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153N♠2+2-1
-2.6Round 21🇺🇸 USA 115♦♠K-1+2
-2.7Round 11🇩🇪 GERMANY72♥♦J=-6
-2.9Round 6🇫🇷 FRANCE94♠♦6=+0
-2.9Round 9🇸🇬 SINGAPORE166♣♠K-1-12
-3.0Round 8🇵🇰 PAKISTAN122♣♦9-1+5
-3.1Round 6🇫🇷 FRANCE103N♦J=+0
-3.1Round 17🇲🇦 MOROCCO74♠♦J=-9
-3.2Round 15🇺🇸 USA 233♥♠K+1-4
-3.5Round 20🇳🇿 NEW ZEALAND33N♦10=+1
-3.7Round 15🇺🇸 USA 293N♠9-1+8
-3.7Round 21🇺🇸 USA 1113N♥7-2-6
-3.8Round 2🇻🇪 VENEZUELA24♠♥A-1-8
-4.0Round 6🇫🇷 FRANCE63♦♠K-2-2
-4.0Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♣J+2-1
-4.0Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND142♥♠9-3-2
-4.1Round 15🇺🇸 USA 2154♥♠3-1-5
-4.3Round 11🇩🇪 GERMANY133N♠10-1-12
-4.4Round 8🇵🇰 PAKISTAN73N♠6=-10
-4.7Round 8🇵🇰 PAKISTAN136♥♠J=+0
-4.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♠7+1+0
-4.8Round 11🇩🇪 GERMANY54♠♦3-1-10
-4.9Round 6🇫🇷 FRANCE33N♥K+2-1
-4.9Round 6🇫🇷 FRANCE51N♠5=-5
-4.9Round 21🇺🇸 USA 1105♠♣K=-13
-5.2Round 15🇺🇸 USA 224♥♣4-1-10
-5.4Round 2🇻🇪 VENEZUELA121♠♣5+4-6
-5.5Round 2🇻🇪 VENEZUELA103N♥Q+1-11
-5.7Round 5🇦🇺 AUSTRALIA35♦♣A-4+0
-5.7Round 8🇵🇰 PAKISTAN52N♦K=-7
-5.8Round 15🇺🇸 USA 2135♣x♣J-2-14
-5.9Round 20🇳🇿 NEW ZEALAND43N♦8+1-10
-6.0Round 5🇦🇺 AUSTRALIA62♠♦6+3-15
-6.5Round 12🇦🇹 AUSTRIA125♦x♠K-3-12
-6.7Round 20🇳🇿 NEW ZEALAND13N♣Q-4-12
-6.9Round 15🇺🇸 USA 2146♣♠K-1-10
-7.4Round 12🇦🇹 AUSTRIA153N♥5-1+8
-7.8Round 9🇸🇬 SINGAPORE33N♠9+1-7
-8.0Round 18🇸🇪 SWEDEN74♥♠K-1-12
-8.3Round 20🇳🇿 NEW ZEALAND73N♥3+2-2
-8.8Round 5🇦🇺 AUSTRALIA53N♠4-3-11
-8.8Round 21🇺🇸 USA 196♣x♥4=-15
-10.2Round 15🇺🇸 USA 255♦♥9+2-14
-11.0Round 12🇦🇹 AUSTRIA24♠♥6+3-17
-11.2Round 18🇸🇪 SWEDEN14♠♥J+3-14
-11.4Round 20🇳🇿 NEW ZEALAND23N♦4=-10
-12.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♠x♣K=-14