MA Yi · WUHAN ENGINEERING

455rank
-32.3Butler · 140 bds
-0.23per board
±5.0swing
+0.16vs par /bd · #237/567
-0.34adjusted /bd
Butler per round: -11.6 18.9 -14.2 -13.7 14.7 -5.9 17.1 -18.6 25.6 -0.8 -28 -5.7 -1.8 -8.3by round

vs par split: bidding +0.04 · play +0.13

Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -0.34/bd

Card play — on target: opening leads 80.5% #284 of 567 · declarer play 72.2% #391 of 567 · defence 82.6% #288 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (12)79.3% (29)
Declarer play66.7% (9)74.1% (27)
Defence81.8% (22)83.0% (47)

Opening leads by suit led: ♠ 40.0% (10) · ♥ 84.6% (13) · ♦ 100.0% (10) · ♣ 100.0% (8)

vs par by strain: NT +1.29 (38) · a suit -0.26 (102)

vs par by level: part-score +0.14 (65) · game -0.11 (70) · slam +4.40 (5)

By role: declaring +0.01/bd (-1.31 vs par · 71) · defending -0.48/bd (+1.68 vs par · 69)

By vulnerability: vulnerable -0.13/bd (+0.59 vs par · 69) · not vulnerable -0.33/bd (-0.25 vs par · 71)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.FanM.Sheng – Z.JiangClosed10-11.6-1.16-1.90
Round 2D.FanM.O'Briain – D.O'GormanOpen10+18.9+1.89+0.50
Round 3D.FanG.Xin – H.JiangOpen10-14.2-1.42-3.00
Round 4D.FanM.Klukowski – P.GawrysClosed10-13.7-1.37-1.40
Round 5D.FanH.Wang – C.NieClosed10+14.7+1.47+2.40
Round 6D.FanX.Zhang – T.WuClosed10-5.9-0.59+1.00
Round 7D.FanM.Islam – M.ChowdhuryClosed10+17.1+1.71+3.80
Round 8D.FanV.Desai – K.SamantClosed10-18.6-1.86-1.90
Round 9D.FanA.Makmitree – M.YaisawangClosed10+25.6+2.56+6.10
Round 10D.FanP.Sitthicharoensawat – K.LimsinsoponClosed10-0.8-0.08+2.10
Round 11D.FanX.Zhu – J.YaoClosed10-28.0-2.80-3.80
Round 12D.FanA.Zets – G.MundellClosed10-5.7-0.57+0.00
Round 13D.FanS.Ji – G.ChaiOpen10-1.8-0.18-2.00
Round 14D.FanZ.Yu – F.ZhuOpen10-8.3-0.83+0.40

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
+13.0Round 14DONGFENG AUTO CO LTD131NTx♠5+3+13
+12.1Round 7BANGLADESH82♦x♦2-2+15
+12.0Round 7BANGLADESH23♣x♠Q=+11
+11.2Round 7BANGLADESH64♥x♦7-4+12
+10.2Round 2IRELAND124♠♥Q=+3
+9.5Round 5NEIMENGGU204♠♦10=+10
+8.7Round 9BANGKOK MIND SPORT215♥x♠J=+6
+8.6Round 6ZJJDWUHANYUAN274♠♦J+1+4
+8.4Round 2IRELAND153♠♦K=+8
+8.3Round 1CANADA CHINA UNITED93NT♥10+1+6
+7.8Round 4SWISS TEAM44♥♣2-2+13
+7.6Round 1CANADA CHINA UNITED53NT♥8-2+11
+7.4Round 2IRELAND203NT♥4+1+4
+6.8Round 10THAILAND Mixed23♠♣J+1+8
+6.8Round 12OZ ANGELS274♠♥2-2+11
+6.8Round 13ITS MAGIC33NT♦3-1+12
+5.9Round 11MINGXIN GROUP154♠♦5+1+0
+5.4Round 1CANADA CHINA UNITED23♥♣A=+7
+4.8Round 9BANGKOK MIND SPORT223NT♣Q-2+6
+4.4Round 5NEIMENGGU133NT♣3=-1
+4.4Round 5NEIMENGGU174♠♣4-1+5
+4.4Round 9BANGKOK MIND SPORT235♦♥9+1+14
+3.7Round 5NEIMENGGU122♦♥2-1+5
+3.7Round 9BANGKOK MIND SPORT282♥♣A+1+2
+3.7Round 10THAILAND Mixed42♠♥3=+6
+3.6Round 5NEIMENGGU194♠♦3-1+5
+3.5Round 13ITS MAGIC14♥♦Q=+0
+3.3Round 6ZJJDWUHANYUAN253NT♣4-2+7
+3.3Round 9BANGKOK MIND SPORT243♥♦5-3+6
+3.3Round 9BANGKOK MIND SPORT306♠♦Q-2+11
+3.1Round 14DONGFENG AUTO CO LTD164♠x♥A-1+6
+2.9Round 8NAMO KK173♥♦3=+6
+2.8Round 3SAN CHEN FUND284♥♠Q+1+0
+2.4Round 6ZJJDWUHANYUAN262♥♦J-2+2
+2.4Round 12OZ ANGELS226♣♦J=-2
+2.3Round 10THAILAND Mixed103♠♠8=+1
+2.1Round 3SAN CHEN FUND223NT♣J-2+6
+1.9Round 3SAN CHEN FUND213NT♠K=-2
+1.7Round 6ZJJDWUHANYUAN213♠♥J-4+7
+1.7Round 14DONGFENG AUTO CO LTD173NT♣4+2+0
+1.6Round 4SWISS TEAM101NT♠5+1+1
+1.6Round 5NEIMENGGU152♥♠K=+5
+1.5Round 10THAILAND Mixed52♠♥8-1+5
+1.5Round 13ITS MAGIC103♥♠3-1+6
+1.3Round 2IRELAND173♠♥A+1-6
+1.2Round 2IRELAND182♦♣6-1+4
+1.2Round 7BANGLADESH32NT♥10=+0
+1.1Round 14DONGFENG AUTO CO LTD142♦♦5+1+0
+1.0Round 3SAN CHEN FUND255♦x♠6-1+5
+1.0Round 12OZ ANGELS213♣♦3=+0
+0.8Round 2IRELAND114♥x♣A-2-3
+0.8Round 12OZ ANGELS292♠♣3+2+1
+0.7Round 9BANGKOK MIND SPORT254♥♠8+3+10
+0.7Round 12OZ ANGELS232♥♥9=+1
+0.6Round 2IRELAND143♦♥6=+5
+0.6Round 6ZJJDWUHANYUAN302♥♣K+1+6
+0.6Round 11MINGXIN GROUP202♠♦5+1+1
+0.5Round 1CANADA CHINA UNITED71NT♥5=+1
+0.5Round 4SWISS TEAM54♠♥A=+0
+0.4Round 7BANGLADESH72♦♥7=+1
+0.3Round 3SAN CHEN FUND304♥♦3+1+0
+0.3Round 8NAMO KK134♦♠K=+0
+0.3Round 13ITS MAGIC23♠♠2-1-10
+0.2Round 5NEIMENGGU113♠♣8=+0
+0.2Round 6ZJJDWUHANYUAN232♣♣4=+2
+0.2Round 11MINGXIN GROUP183♥♣J-1+0
+0.1Round 4SWISS TEAM72♠♣K+2+1
-0.0Round 8NAMO KK114♠♥K+1+0
+0.0Round 8NAMO KK143NT♥10+2+0
+0.0Round 10THAILAND Mixed86NT♣7=+11
-0.1Round 13ITS MAGIC93NT♠8+1+1
-0.2Round 7BANGLADESH13NT♦4-1+2
-0.3Round 3SAN CHEN FUND245♦♣4=-2
-0.3Round 4SWISS TEAM14♥♠K+1+0
-0.3Round 9BANGKOK MIND SPORT273♠♥A=-7
-0.4Round 13ITS MAGIC63♦♥6+1-7
-0.5Round 8NAMO KK153NT♠9=-1
-0.6Round 1CANADA CHINA UNITED13♠♣3+1-6
-0.6Round 2IRELAND131NT♦Q=+1
-0.6Round 4SWISS TEAM34♥♠K+2-11
-0.7Round 12OZ ANGELS262♥♦Q+1+0
-0.8Round 7BANGLADESH53♣♥7=+0
-0.9Round 4SWISS TEAM62♥♣10-1+0
-0.9Round 12OZ ANGELS302♥♦9-1+3
-1.0Round 8NAMO KK203♦♦4-1-5
-1.1Round 3SAN CHEN FUND264♥♠K+2-13
-1.1Round 13ITS MAGIC42♥♠2=+0
-1.3Round 12OZ ANGELS285♥♣7+1+11
-1.4Round 9BANGKOK MIND SPORT263NT♠7+3+12
-1.4Round 11MINGXIN GROUP124♥♦J=+0
-1.5Round 10THAILAND Mixed91NT♥A=-5
-1.6Round 9BANGKOK MIND SPORT292♠♦9+2+1
-2.0Round 13ITS MAGIC73NT♥2+2+0
-2.1Round 5NEIMENGGU141NT♦J+1-6
-2.1Round 10THAILAND Mixed11NT♦10-1+1
-2.4Round 10THAILAND Mixed64♠♣10-1-6
-2.4Round 14DONGFENG AUTO CO LTD203♥♦K-1+1
-2.7Round 3SAN CHEN FUND274♥♠3=-3
-2.7Round 14DONGFENG AUTO CO LTD113NT♥J+1+0
-3.1Round 2IRELAND163♦♠10=+0
-3.1Round 10THAILAND Mixed73NT♠J=+0
-3.2Round 11MINGXIN GROUP164♥♣Q-1-5
-3.4Round 8NAMO KK161NT♥9=+0
-3.5Round 14DONGFENG AUTO CO LTD184♥♣5+1-4
-3.6Round 1CANADA CHINA UNITED33♥♦K-1-5
-3.6Round 5NEIMENGGU182NT♠6=+1
-3.7Round 8NAMO KK193♦♥Q-1-10
-3.8Round 1CANADA CHINA UNITED62♠♦6=-11
-3.9Round 4SWISS TEAM92♠♥10-1+1
-4.0Round 11MINGXIN GROUP193NT♠10=+0
-4.1Round 3SAN CHEN FUND233NTx♣2-1-7
-4.1Round 6ZJJDWUHANYUAN223♥♦Q-1-5
-4.2Round 7BANGLADESH93NT♠2=+13
-4.3Round 13ITS MAGIC54♥♠8=-11
-4.8Round 7BANGLADESH44♠x♦A-1-7
-4.8Round 11MINGXIN GROUP172♥♠2=-11
-5.1Round 11MINGXIN GROUP114♥♣K=-8
-5.6Round 14DONGFENG AUTO CO LTD154♠♥4-1+2
-5.7Round 6ZJJDWUHANYUAN243♠x♥Q-2-5
-5.7Round 8NAMO KK126♣♦2=+2
-6.0Round 10THAILAND Mixed35♣♣4=+0
-6.0Round 13ITS MAGIC85♦♠9+1-11
-6.2Round 14DONGFENG AUTO CO LTD123♣♥A=-7
-6.4Round 6ZJJDWUHANYUAN284♠♥K-2-8
-6.5Round 6ZJJDWUHANYUAN296♠♦J=+0
-6.8Round 14DONGFENG AUTO CO LTD193NT♠4-4-7
-7.0Round 5NEIMENGGU163NT♠6=+0
-7.2Round 11MINGXIN GROUP143NT♦2-3-7
-7.2Round 12OZ ANGELS254♥♠8+3-14
-7.3Round 2IRELAND193NT♥2+1-11
-7.3Round 12OZ ANGELS243♦♣6+1-11
-7.5Round 8NAMO KK183♦♣2+2-11
-7.7Round 1CANADA CHINA UNITED83NT♦4+2-1
-7.8Round 1CANADA CHINA UNITED104♥x♣10-2-9
-7.9Round 4SWISS TEAM24♥x♣K+1-10
-9.0Round 11MINGXIN GROUP134♥♦4-2-8
-9.8Round 7BANGLADESH104♥x♦4-2-9
-9.9Round 1CANADA CHINA UNITED43NTx♣6=-12
-10.1Round 4SWISS TEAM83♣x♥A-3-9
-14.1Round 3SAN CHEN FUND294♥x♠A=-14