🇨🇳 ZHANG Bangxiang · CHINA

101rank
-72.4Butler · 224 bds
-0.32per board
±4.2swing
-0.04vs par /bd · #68/123
-0.23adjusted /bd
Butler per round: -30.8 -19.9 0.6 -10.9 7.2 -2.3 -4.9 12.8 -8.3 9.1 21.1 -22 13.7 -37.8by round

vs par split: bidding -0.06 · play +0.02

Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted -0.23/bd

Card play — on target: opening leads 81.6% #68 of 123 · declarer play 76.6% #67 of 123 · defence 92.7% #11 of 123

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)85.3% (34)
Declarer play63.6% (11)80.6% (36)
Defence93.3% (30)92.4% (79)

Opening leads by suit led: ♠ 60.0% (10) · ♥ 86.7% (15) · ♦ 80.0% (15) · ♣ 100.0% (9)

vs par by strain: NT +1.32 (57) · a suit -0.50 (167)

vs par by level: part-score +0.70 (94) · game -0.61 (115) · slam -0.33 (15)

By role: declaring -0.58/bd (-2.57 vs par · 115) · defending -0.05/bd (+2.63 vs par · 109)

By vulnerability: vulnerable -0.45/bd (-0.66 vs par · 112) · not vulnerable -0.20/bd (+0.58 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LiR.Welland – S.AukenOpen16-30.8-1.93-2.62
Round 2J.LiJ.Grue – B.MossClosed16-19.9-1.24+0.44
Round 4J.LiP.Mathieu – L.SoudanOpen16+0.6+0.04+1.56
Round 6J.LiM.Brown – M.WhibleyOpen16-10.9-0.68-2.06
Round 8J.LiE.Yeh – L.ChenOpen16+7.2+0.45+0.44
Round 9J.LiF.Nystrom – J.UpmarkOpen16-2.3-0.14-0.19
Round 10J.LiA.Peake – P.GillClosed16-4.9-0.31-0.25
Round 11J.LiV.Mihov – G.KarakolevClosed16+12.8+0.80+0.62
Round 14J.LiS.Mukherjee – D.MajumderClosed16-8.3-0.52+0.31
Round 15J.LiG.Donati – A.GandogliaOpen16+9.1+0.57+1.81
Round 16J.LiA.Cohen – M.ReygadasOpen16+21.1+1.32-1.31
Round 18J.LiR.Angeleri – R.PoleschiOpen16-22.0-1.38-0.75
Round 20J.LiM.Ahasan – M.RahmanClosed16+13.7+0.86+2.75
Round 21J.LiE.Rodwell – J.MeckstrothOpen16-37.8-2.36-1.31

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
+11.0Round 11🇧🇬 BULGARIA133NT♥3=+0
+10.0Round 16🇲🇽 MEXICO246♦♣K=+0
+9.9Round 16🇲🇽 MEXICO262NT♣3+2+10
+9.8Round 20🇧🇩 BANGLADESH261NT♥10+1+11
+9.2Round 10🇦🇺 AUSTRALIA204♥♣3-2+13
+9.2Round 10🇦🇺 AUSTRALIA325♥x♠A-2+18
+8.7Round 20🇧🇩 BANGLADESH315♣♦A=+0
+8.0Round 4🇬🇵 GUADELOUPE276♣♠K-2+17
+7.7Round 8🇹🇼 CHINESE TAIPEI273NT♥8-2+11
+7.7Round 10🇦🇺 AUSTRALIA244♠♦3+2+11
+7.1Round 9🇸🇪 SWEDEN95♦x♥K-1+7
+6.9Round 15🇮🇹 ITALY34♠♣10=+7
+6.9Round 16🇲🇽 MEXICO273♥♠10=+7
+6.4Round 6🇳🇿 NEW ZEALAND273NT♠4-2+11
+6.2Round 14🇮🇳 INDIA243♥♦3-2+6
+6.1Round 14🇮🇳 INDIA204♥♥2-2+8
+5.9Round 16🇲🇽 MEXICO233NT♠6+1+1
+5.7Round 11🇧🇬 BULGARIA116♥x♣A+1-5
+5.3Round 16🇲🇽 MEXICO254♠♠8=+7
+5.2Round 18🇦🇷 ARGENTINA313NT♥10-1+5
+5.1Round 11🇧🇬 BULGARIA83NT♥4=+3
+5.0Round 14🇮🇳 INDIA272♦♣3+2+0
+5.0Round 15🇮🇹 ITALY13NT♠5-1+10
+4.9Round 1🇩🇪 GERMANY72♥♦A-1+5
+4.7Round 20🇧🇩 BANGLADESH234♠♦K-1+12
+4.6Round 1🇩🇪 GERMANY64♥♠8-1+6
+4.2Round 10🇦🇺 AUSTRALIA282♠♦2+1+1
+4.0Round 10🇦🇺 AUSTRALIA214♠♦A-1-2
+3.8Round 20🇧🇩 BANGLADESH183NT♣3-1+5
+3.8Round 20🇧🇩 BANGLADESH211♦♦3+1+0
+3.7Round 8🇹🇼 CHINESE TAIPEI213NT♣K-2+11
+3.7Round 9🇸🇪 SWEDEN14♣♠10-2+8
+3.7Round 18🇦🇷 ARGENTINA213NT♠10=+3
+3.5Round 6🇳🇿 NEW ZEALAND253♥♦5=+1
+3.5Round 11🇧🇬 BULGARIA63NT♣A-3+5
+3.5Round 15🇮🇹 ITALY123♠♥A+2+6
+3.4Round 14🇮🇳 INDIA185♥x♠Q-1-2
+3.4Round 15🇮🇹 ITALY143♠♦A+1+6
+3.2Round 8🇹🇼 CHINESE TAIPEI263NT♦5-2+7
+2.9Round 2🇺🇸 USA2232♠♣5+1+0
+2.9Round 10🇦🇺 AUSTRALIA272♠♦6+1+1
+2.8Round 21🇺🇸 USA114♠x♥A-1+5
+2.5Round 11🇧🇬 BULGARIA24♦♣2-2+0
+2.4Round 6🇳🇿 NEW ZEALAND184♠♣K+3-12
+2.4Round 6🇳🇿 NEW ZEALAND293♣♥A+2+1
+2.4Round 8🇹🇼 CHINESE TAIPEI192♠♣2-1+0
+2.4Round 16🇲🇽 MEXICO303NT♣7=+0
+2.3Round 15🇮🇹 ITALY113♥♥5=+7
+2.2Round 9🇸🇪 SWEDEN163♣♠A-2+11
+2.1Round 11🇧🇬 BULGARIA143NT♥Q-2+1
+2.1Round 15🇮🇹 ITALY24♠♥3+2+14
+2.1Round 15🇮🇹 ITALY104♥♦Q-1-1
+2.0Round 4🇬🇵 GUADELOUPE223♦♣4=+9
+2.0Round 11🇧🇬 BULGARIA13♥♦2=+1
+2.0Round 16🇲🇽 MEXICO283♦♣5-3-10
+2.0Round 20🇧🇩 BANGLADESH191NT♦A+1+6
+1.9Round 11🇧🇬 BULGARIA123♥♣K-1+4
+1.8Round 8🇹🇼 CHINESE TAIPEI174♠♥2+2+11
+1.8Round 9🇸🇪 SWEDEN153NT♥3+3+2
+1.8Round 21🇺🇸 USA134♥♦3=+0
+1.8Round 21🇺🇸 USA172♦♠8+2+0
+1.7Round 14🇮🇳 INDIA222♠♥9-1+10
+1.6Round 2🇺🇸 USA2204♥♣4=+0
+1.6Round 15🇮🇹 ITALY55♣♥Q=-1
+1.6Round 18🇦🇷 ARGENTINA204♥♦A+1+0
+1.5Round 1🇩🇪 GERMANY14♠♣Q=+0
+1.5Round 4🇬🇵 GUADELOUPE241♠♦3-1+2
+1.5Round 8🇹🇼 CHINESE TAIPEI181NT♠2+2+2
+1.5Round 9🇸🇪 SWEDEN83♥♣9+1+6
+1.5Round 16🇲🇽 MEXICO291NT♠2+1+1
+1.4Round 2🇺🇸 USA2275♣♥K-1+10
+1.4Round 14🇮🇳 INDIA193NT♣7+3+1
+1.3Round 1🇩🇪 GERMANY82♥♠8-1-1
+1.2Round 9🇸🇪 SWEDEN64♥♦A+1+0
+1.2Round 20🇧🇩 BANGLADESH201NT♦7-1+0
+1.1Round 20🇧🇩 BANGLADESH243♥♣K=+6
+1.0Round 8🇹🇼 CHINESE TAIPEI222♦♠K+1-1
+1.0Round 18🇦🇷 ARGENTINA254♠♣4=+0
+0.9Round 2🇺🇸 USA2254♠♥Q+2+1
+0.9Round 20🇧🇩 BANGLADESH292♠♠9+2+8
+0.8Round 4🇬🇵 GUADELOUPE234♦♦3+1-10
+0.8Round 4🇬🇵 GUADELOUPE282♥♣10+2+6
+0.8Round 16🇲🇽 MEXICO202♠♣A-2-2
+0.8Round 21🇺🇸 USA144♥♠A+1+0
+0.7Round 6🇳🇿 NEW ZEALAND263NT♦6+1+1
+0.5Round 2🇺🇸 USA2303NT♣10=+1
+0.5Round 4🇬🇵 GUADELOUPE191NT♠10-1+5
+0.5Round 6🇳🇿 NEW ZEALAND214♠♣A-1-2
+0.5Round 16🇲🇽 MEXICO324♠♥K+1+0
+0.5Round 18🇦🇷 ARGENTINA272♠♣10-1+8
+0.4Round 2🇺🇸 USA2193♥♥J-1+2
+0.4Round 9🇸🇪 SWEDEN141♠♣A=-1
+0.3Round 2🇺🇸 USA2292♠♦K+1+0
+0.2Round 1🇩🇪 GERMANY105♥♠3=+0
+0.2Round 4🇬🇵 GUADELOUPE212♠♦4-2-2
+0.2Round 6🇳🇿 NEW ZEALAND223NT♠4=+0
+0.2Round 10🇦🇺 AUSTRALIA293♥♦A-2+2
+0.2Round 11🇧🇬 BULGARIA53NT♦4+1+1
+0.2Round 15🇮🇹 ITALY84♠♦5=+0
+0.2Round 16🇲🇽 MEXICO313NT♥2+1+0
+0.1Round 4🇬🇵 GUADELOUPE253NT♥2+1+0
+0.1Round 8🇹🇼 CHINESE TAIPEI232♥♣2-1+1
+0.1Round 20🇧🇩 BANGLADESH172♠♦A+1+7
+0.0Round 4🇬🇵 GUADELOUPE204♠♣4=+0
-0.0Round 4🇬🇵 GUADELOUPE264♥♠A=+3
+0.0Round 9🇸🇪 SWEDEN117♥♥2=+0
+0.0Round 10🇦🇺 AUSTRALIA254♠♥2=+0
-0.0Round 14🇮🇳 INDIA291NT♥Q-1+1
-0.0Round 15🇮🇹 ITALY44♠♥3+1+0
+0.0Round 20🇧🇩 BANGLADESH282♥♦J=+0
-0.1Round 2🇺🇸 USA2313NT♠9=+0
-0.1Round 8🇹🇼 CHINESE TAIPEI254♠♥A=+0
-0.1Round 8🇹🇼 CHINESE TAIPEI303NT♦4+1-10
-0.1Round 9🇸🇪 SWEDEN33NT♠7+1-1
-0.1Round 15🇮🇹 ITALY73NT♥3+1-1
-0.1Round 15🇮🇹 ITALY151NT♣2=+1
-0.1Round 20🇧🇩 BANGLADESH322♠♥A+1+0
-0.2Round 18🇦🇷 ARGENTINA303NT♦Q+2-1
-0.3Round 21🇺🇸 USA1134♠♥3=+0
-0.4Round 6🇳🇿 NEW ZEALAND313NT♠10+2+0
-0.4Round 6🇳🇿 NEW ZEALAND322♠♦6=+0
-0.4Round 9🇸🇪 SWEDEN44♥♦A-1-12
-0.4Round 11🇧🇬 BULGARIA103NT♥2+2+12
-0.5Round 8🇹🇼 CHINESE TAIPEI324♥♠3-1-10
-0.5Round 11🇧🇬 BULGARIA75♠♣A=-4
-0.6Round 2🇺🇸 USA2282♠♦3+1+0
-0.6Round 4🇬🇵 GUADELOUPE183♣♦7-1+0
-0.6Round 6🇳🇿 NEW ZEALAND175♦♠A-1-2
-0.6Round 6🇳🇿 NEW ZEALAND282♠♦7+1+0
-0.6Round 18🇦🇷 ARGENTINA185♣♦3=+1
-0.6Round 18🇦🇷 ARGENTINA292NT♣5+1+0
-0.7Round 4🇬🇵 GUADELOUPE292♥♦3+1+10
-0.7Round 16🇲🇽 MEXICO216♠♦5+1-13
-0.8Round 1🇩🇪 GERMANY144♠♦3=-1
-0.8Round 2🇺🇸 USA2263NT♥6+3+13
-0.8Round 14🇮🇳 INDIA282♠x♦A-1-3
-0.8Round 18🇦🇷 ARGENTINA222NT♣5+2-6
-0.9Round 4🇬🇵 GUADELOUPE173♠♣10-2-8
-0.9Round 9🇸🇪 SWEDEN72♠♦3=+0
-1.0Round 1🇩🇪 GERMANY42♠♣10-1+1
-1.0Round 1🇩🇪 GERMANY133♣♦A+1+10
-1.0Round 8🇹🇼 CHINESE TAIPEI292♠♥A-1+0
-1.0Round 14🇮🇳 INDIA233NT♣Q+3+12
-1.0Round 15🇮🇹 ITALY162♥♦2+3+9
-1.1Round 4🇬🇵 GUADELOUPE323NT♦6=+0
-1.2Round 2🇺🇸 USA2246♥♦4=-5
-1.2Round 10🇦🇺 AUSTRALIA227♠♣3=+0
-1.3Round 14🇮🇳 INDIA303♠♥K+1-6
-1.4Round 1🇩🇪 GERMANY94♥♦8-1-5
-1.4Round 18🇦🇷 ARGENTINA284♠♣7+2-1
-1.5Round 14🇮🇳 INDIA322♣♦6=-5
-1.6Round 8🇹🇼 CHINESE TAIPEI283♦♥10+1+0
-1.6Round 8🇹🇼 CHINESE TAIPEI313♦♣K=+1
-1.6Round 9🇸🇪 SWEDEN124♥♦2=+1
-1.6Round 14🇮🇳 INDIA255♠x♦K-3+0
-1.7Round 2🇺🇸 USA2221NT♠4-1-4
-1.7Round 6🇳🇿 NEW ZEALAND204♥♦K-2-3
-1.7Round 21🇺🇸 USA154♠♥Q+1+0
-1.8Round 6🇳🇿 NEW ZEALAND303NT♥10=-6
-1.8Round 9🇸🇪 SWEDEN22♣♦9+1-5
-1.8Round 9🇸🇪 SWEDEN134♥♠3=-13
-1.8Round 21🇺🇸 USA1166NT♣10=+13
-2.0Round 21🇺🇸 USA123♠♣3=+0
-2.1Round 10🇦🇺 AUSTRALIA173♠♦2=+0
-2.1Round 20🇧🇩 BANGLADESH276♥♣5=+0
-2.2Round 18🇦🇷 ARGENTINA263♠♥K=+0
-2.3Round 21🇺🇸 USA1144♠x♠3-2+0
-2.4Round 11🇧🇬 BULGARIA162♥♣J=+0
-2.5Round 14🇮🇳 INDIA315♥♦9-1-5
-2.5Round 15🇮🇹 ITALY132NT♣6+1-1
-2.6Round 10🇦🇺 AUSTRALIA234♠x♥Q-1-8
-2.7Round 21🇺🇸 USA183♠♣Q=-1
-2.9Round 8🇹🇼 CHINESE TAIPEI202♠♣A-1-5
-3.0Round 1🇩🇪 GERMANY114♠♣K-1-4
-3.0Round 11🇧🇬 BULGARIA45♠♦10=+0
-3.0Round 14🇮🇳 INDIA173♠♦K=+7
-3.0Round 15🇮🇹 ITALY65♦♠K+2-14
-3.0Round 21🇺🇸 USA1115♣x♠K-3-2
-3.1Round 21🇺🇸 USA1104♠♥10-2-8
-3.3Round 1🇩🇪 GERMANY162♠♥J+1-7
-3.4Round 11🇧🇬 BULGARIA34♠♦K-1-5
-3.8Round 11🇧🇬 BULGARIA153♥♣J=+0
-4.0Round 6🇳🇿 NEW ZEALAND243NT♥10=+0
-4.1Round 2🇺🇸 USA2176♥♠3+1+11
-4.1Round 9🇸🇪 SWEDEN101NT♦8+1+1
-4.1Round 18🇦🇷 ARGENTINA194♠♦K-1-10
-4.1Round 18🇦🇷 ARGENTINA321♠♣4-3-6
-4.3Round 10🇦🇺 AUSTRALIA194♥♣7-1-5
-4.3Round 20🇧🇩 BANGLADESH223♠♠3-1-10
-4.5Round 1🇩🇪 GERMANY34♥♥3-2-5
-4.7Round 4🇬🇵 GUADELOUPE313♥♣A=+7
-4.7Round 16🇲🇽 MEXICO173♥♠A+1-2
-4.8Round 10🇦🇺 AUSTRALIA305♦♠A=+0
-4.8Round 16🇲🇽 MEXICO193♠♣3=-1
-4.9Round 20🇧🇩 BANGLADESH306♥♦5=+0
-5.0Round 18🇦🇷 ARGENTINA243♦♠K=+0
-5.0Round 21🇺🇸 USA164♥♦5-1-5
-5.3Round 4🇬🇵 GUADELOUPE304NT♥2+2-14
-5.5Round 2🇺🇸 USA2183NT♦6+3-13
-6.0Round 1🇩🇪 GERMANY52NT♥2-3-5
-6.1Round 10🇦🇺 AUSTRALIA313NT♠9-1-6
-6.1Round 16🇲🇽 MEXICO224♠♥K-2-6
-6.1Round 18🇦🇷 ARGENTINA174♠x♦3-2-5
-6.4Round 2🇺🇸 USA2323NT♠Q=+0
-6.4Round 8🇹🇼 CHINESE TAIPEI245♦♣5+1-11
-6.5Round 1🇩🇪 GERMANY124♥♠5+2-16
-6.6Round 6🇳🇿 NEW ZEALAND236♠♣3=-8
-6.9Round 21🇺🇸 USA1122♠♦J+3-10
-7.5Round 2🇺🇸 USA2214♥♠3-3-9
-7.7Round 1🇩🇪 GERMANY153♥♦7+2-10
-7.7Round 11🇧🇬 BULGARIA93NT♣5=-3
-8.0Round 16🇲🇽 MEXICO184♠♣K-2-13
-8.0Round 21🇺🇸 USA194♥x♥9=-5
-8.1Round 1🇩🇪 GERMANY24♠x♣Q=-10
-8.2Round 21🇺🇸 USA1152NT♠10+1-8
-8.9Round 18🇦🇷 ARGENTINA236♠♣2=+0
-9.1Round 14🇮🇳 INDIA263♦♥A-1-6
-9.5Round 9🇸🇪 SWEDEN54♥♥3=-7
-10.4Round 10🇦🇺 AUSTRALIA185♣♣5-2-17
-10.8Round 10🇦🇺 AUSTRALIA264♠x♠8=-12
-10.9Round 6🇳🇿 NEW ZEALAND196♥♥10-1-14
-11.0Round 20🇧🇩 BANGLADESH256♥♠4=-1
-11.3Round 14🇮🇳 INDIA213NT♥3-2-13
-11.3Round 15🇮🇹 ITALY94♣♠3+2-13