DAI Jianming · SHANGHAILVCHENG

206rank
+57.1Butler · 200 bds
+0.29per board
±4.2swing
+0.29vs par /bd · #214/672
+0.45adjusted /bd
Butler per round: 16 10 21.2 25.8 25.8 14.8 14.8 -20.2 -20.2 0.1 0.1 3.6 3.6 -26.6 -26.6 3 3 -23.2 32.6 32.6by round

vs par split: bidding +0.01 · play +0.13

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.45/bd

Card play — on target: opening leads 74.3% #517 of 671 · declarer play 81.4% #237 of 671 · defence 87.1% #260 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·74.3% (35)
Declarer play·81.4% (43)
Defence·87.1% (70)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 66.7% (9) · ♦ 80.0% (10) · ♣ 66.7% (9)

vs par by strain: a suit +0.14 (145)

vs par by level: part-score +0.41 (71) · game -0.35 (66) · slam +1.75 (8)

By role: declaring +0.71/bd (-0.98 vs par · 104) · defending -0.17/bd (+1.67 vs par · 96)

By vulnerability: vulnerable -0.13/bd (+0.04 vs par · 109) · not vulnerable +0.79/bd (+0.59 vs par · 91)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.HouN.Van Der Gaast – D.KruisOpen10+16.0+1.60+3.40
Round 4Y.WangJ.Hu – Y.ShaoOpen10+10.0+1.00+1.10
Round 5Y.LianG.Cai – Q.GongClosed10+21.2+2.12+3.20
Round 6F.GaoE.Wladow – R.MarsalOpen10+17.2+1.72+2.90
Round 6Y.WangA.Jezioro – J.RussyanOpen10+8.6+0.86-0.10
Round 7F.GaoX.Li – W.ZhangOpen10+14.4+1.44+2.30
Round 7Z.GuH.Kondoch – F.ZimmermannOpen10+0.4+0.04-1.10
Round 8F.GaoR.Zaleski – A.FaigenbaumOpen10-2.3-0.23+0.20
Round 8Z.GuP.Tuszynski – A.KowalskiOpen10-17.9-1.79-2.10
Round 9F.GaoX.Jiang – F.ShiOpen10-3.6-0.36+0.40
Round 9X.FuJ.Ventin – C.PellegriniOpen10+3.7+0.37-0.50
Round 10F.GaoY.Lu – K.LinOpen10+10.4+1.04+2.70
Round 10Y.WangT.Walsh – P.GoodmanOpen10-6.8-0.68-1.50
Round 11F.GaoA.Djajanegara – T.SugiartoOpen10-21.7-2.17-2.80
Round 11Y.WangX.Sun – Y.LinOpen10-4.9-0.49+0.30
Round 12F.GaoM.Kang – J.ChenClosed10+8.9+0.89-0.40
Round 12Y.WangS.Wan – L.ShenOpen10-5.9-0.59+0.40
Round 13F.GaoH.Huang – Y.GuOpen10-23.2-2.32-5.40
Round 14Y.WangA.Holowski – J.KozyczkowskiClosed10+27.6+2.76+0.20
Round 14F.GaoD.Wu – X.WuOpen10+5.0+0.50+2.60

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
+12.4Round 14LIAONING136♠♣K=+14
+12.3Round 6GERMANY SENIORS 1293♦x♠9+1+13
+9.8Round 14LIAONING164♠♣6-1+12
+9.6Round 9VENTIN284♠♣A-1+13
+8.8Round 14GERMANY SENIORS II193Nx♣5-2+5
+8.7Round 7GERMANY JUNIORS85♦x♣2=+6
+8.4Round 13SHANGHAI THINK CLUB86♠♠6=-11
+7.9Round 9SHANGHAI JIANQIAO224♠♦6-1+11
+7.8Round 12ZHEJIANG HUAMEN243N♥J+2+12
+7.7Round 14GERMANY SENIORS II146♠♥8=-10
+7.6Round 12SHANGHAI EPC283♠♦K-1+11
+7.5Round 1CSO36♣♦A-1+13
+7.5Round 9SHANGHAI JIANQIAO231N♥4-2+8
+7.4Round 10CHEN94♥♠2-1+9
+7.3Round 7YUNNAN DIKUANG84♠♣J=+12
+6.5Round 9VENTIN271♦x♥A+1+9
+6.0Round 1CSO23N♠3+1+8
+5.7Round 5BEIJING-HONGKONG133N♠2+1+5
+5.3Round 6GERMANY SENIORS 1216♥♣A-1+11
+5.2Round 10DELANEY94♥♣A=+8
+5.1Round 9SHANGHAI JIANQIAO291♠♥K+1+6
+5.1Round 11PUDONG LUOGEBEIER164♠♥2+2+1
+5.0Round 7YUNNAN DIKUANG31N♣A=+11
+5.0Round 9VENTIN213♥♣A=+7
+4.7Round 1CSO83N♥10-2+5
+4.7Round 6POLISH SENIORS214♥♣A+1+0
+4.3Round 9SHANGHAI JIANQIAO213N♦J+1+5
+4.3Round 10DELANEY32♣x♣Q-2+4
+4.2Round 5BEIJING-HONGKONG193♠♥6=+6
+4.1Round 11DJARUM BLACK183♠♣A=+6
+4.0Round 5BEIJING-HONGKONG122N♦9-1+5
+3.9Round 4PEKING UNIVERSITY52♥♥3+1+6
+3.9Round 5BEIJING-HONGKONG172♠♦10+1+6
+3.7Round 10DELANEY41N♣7=+0
+3.6Round 4PEKING UNIVERSITY102♠♣J=+6
+3.2Round 12SHANGHAI EPC263♥♣4=+0
+3.1Round 6POLISH SENIORS242N♥4+1+1
+3.1Round 9SHANGHAI JIANQIAO264♠♠4-1+6
+3.1Round 11DJARUM BLACK132♥♦6+2+2
+3.1Round 12ZHEJIANG HUAMEN275♥♦Q=-5
+2.9Round 6GERMANY SENIORS 1264♠♥Q+2+6
+2.8Round 8ZALESKI152♥♦K+2+1
+2.8Round 11PUDONG LUOGEBEIER122♥♦K-2+11
+2.6Round 6GERMANY SENIORS 1253♥♦8-1+6
+2.6Round 8ZALESKI204♠♣7=+0
+2.4Round 4PEKING UNIVERSITY33N♥Q+2+0
+2.4Round 4PEKING UNIVERSITY71N♥2+3+1
+2.4Round 14GERMANY SENIORS II153♦♠6=+0
+2.4Round 14GERMANY SENIORS II164♠♣6=+0
+2.3Round 5BEIJING-HONGKONG184♠♣3-1+5
+2.3Round 6POLISH SENIORS254♦♥A-2-1
+2.3Round 10CHEN83♠♦A=+6
+2.3Round 12ZHEJIANG HUAMEN264♠♣A-1+6
+2.2Round 14GERMANY SENIORS II123♥♦J-1+5
+2.1Round 4PEKING UNIVERSITY41♠♥J+3+10
+2.1Round 11DJARUM BLACK122♥x♦A-2-8
+2.1Round 14GERMANY SENIORS II182♥♥4+2+6
+2.1Round 14GERMANY SENIORS II205♣♥A=-1
+1.9Round 5BEIJING-HONGKONG143♠♠K=+1
+1.9Round 7YUNNAN DIKUANG74♠♥3-1+6
+1.9Round 8ZALESKI123N♣10-1+5
+1.8Round 1CSO54♠♠4-1+5
+1.6Round 1CSO72♥♣9+3+10
+1.6Round 8ROSSARSKI122♣♦4+1-1
+1.5Round 7GERMANY JUNIORS31N♣A-3-8
+1.5Round 8ROSSARSKI182♠♦6=+0
+1.5Round 14LIAONING191N♠6+2+6
+1.4Round 5BEIJING-HONGKONG153N♠J+3+11
+1.4Round 8ROSSARSKI193♦♥K-1-2
+1.3Round 12ZHEJIANG HUAMEN304♥♦A-1+5
+1.2Round 4PEKING UNIVERSITY83♦♣Q-1+3
+1.2Round 10CHEN53N♣J+2+11
+1.2Round 11PUDONG LUOGEBEIER194♠♣J+1+1
+1.1Round 8ZALESKI163♠♥A=+0
+1.1Round 8ROSSARSKI142♥♣8=+0
+1.0Round 7YUNNAN DIKUANG14♠♠2+1+0
+1.0Round 10CHEN41N♣6-1+5
+0.9Round 7GERMANY JUNIORS64♥♥6+1+0
+0.9Round 8ROSSARSKI134♠♠5+2+7
+0.9Round 9VENTIN244♥♦2=-5
+0.9Round 10CHEN12N♠3-1+4
+0.9Round 11PUDONG LUOGEBEIER203N♠5+2+13
+0.8Round 7YUNNAN DIKUANG56♦♠7-1+3
+0.8Round 7YUNNAN DIKUANG94♥♣3+2-11
+0.8Round 10CHEN31N♠6-2+1
+0.8Round 12SHANGHAI EPC253N♥5+2+6
+0.8Round 13SHANGHAI THINK CLUB34♠♥4+1+0
+0.7Round 11PUDONG LUOGEBEIER153♦♣Q=+5
+0.6Round 5BEIJING-HONGKONG204♠♣K=-1
+0.6Round 14GERMANY SENIORS II135♠♣K+1-6
+0.5Round 1CSO95♣♣2=+2
+0.5Round 10CHEN63N♦Q+1+0
+0.5Round 12SHANGHAI EPC233N♠A-1+6
+0.5Round 14GERMANY SENIORS II172N♥2=+0
+0.4Round 6POLISH SENIORS303N♠2-1+5
+0.3Round 12ZHEJIANG HUAMEN285♦x♠A-2-4
+0.2Round 6GERMANY SENIORS 1274♥♦K-1+5
+0.2Round 7YUNNAN DIKUANG44♥♠3=+1
+0.2Round 12ZHEJIANG HUAMEN253N♥5+1-5
+0.1Round 6POLISH SENIORS293♦♠3+1+0
+0.1Round 7GERMANY JUNIORS94♥♣6+1+11
+0.1Round 12SHANGHAI EPC223♦♥7=+1
+0.1Round 13SHANGHAI THINK CLUB102N♥K=+0
-0.0Round 6GERMANY SENIORS 1284N♥2+1+0
+0.0Round 6POLISH SENIORS223♣♠7-2+5
+0.0Round 6POLISH SENIORS283N♥3+2+0
+0.0Round 10CHEN101♠♣5+1+0
-0.0Round 10DELANEY102♠♣5=+0
-0.0Round 13SHANGHAI THINK CLUB94♠♥2+1+0
-0.1Round 4PEKING UNIVERSITY23N♥4+1+0
-0.1Round 9SHANGHAI JIANQIAO243N♠K=+6
-0.1Round 11DJARUM BLACK203N♠5+3-13
-0.1Round 14LIAONING114♠♠J-1-4
-0.2Round 1CSO103N♠Q+1+4
-0.2Round 6POLISH SENIORS274♥♦K-1-5
-0.2Round 7GERMANY JUNIORS44♥♣3=-1
-0.2Round 10CHEN71N♦7=-9
-0.3Round 7GERMANY JUNIORS102♥♦K=-1
-0.3Round 10DELANEY54♠♦8+2-11
-0.5Round 5BEIJING-HONGKONG162♠♦6+1+0
-0.5Round 10DELANEY64♠♣A=+0
-0.5Round 10DELANEY72♥♠6=+9
-0.5Round 12ZHEJIANG HUAMEN213♦♣3+2-2
-0.5Round 12ZHEJIANG HUAMEN235♦♠6-1-6
-0.5Round 14LIAONING171N♠4+1+0
-0.6Round 1CSO12♦♣K+3-7
-0.6Round 8ZALESKI173N♥4=+6
-0.7Round 6POLISH SENIORS233♦♥A-1-1
-0.7Round 7YUNNAN DIKUANG103♥♣Q=+0
-0.7Round 9VENTIN231N♥3=-1
-0.8Round 4PEKING UNIVERSITY15♦♥6-1-4
-0.9Round 7YUNNAN DIKUANG64♥♥6+1+0
-0.9Round 8ZALESKI134♠♠4+2-7
-1.0Round 6GERMANY SENIORS 1222♠♦A+1-6
-1.0Round 7YUNNAN DIKUANG22♦♥J-1+1
-1.0Round 7GERMANY JUNIORS14♠♥A+1+0
-1.1Round 6POLISH SENIORS264♠♥Q=-5
-1.1Round 8ZALESKI142♥♣2=+0
-1.1Round 8ROSSARSKI163♠♥A=+0
-1.1Round 11PUDONG LUOGEBEIER133♣♠10-1+0
-1.2Round 6GERMANY SENIORS 1233♥♣5+1-1
-1.2Round 11DJARUM BLACK194♠♣J+1-1
-1.2Round 14GERMANY SENIORS II11Pass+3
-1.3Round 10DELANEY83♦x♠3-1-5
-1.3Round 11DJARUM BLACK172N♣5-1-4
-1.3Round 12SHANGHAI EPC304♥♦A-1-5
-1.3Round 13SHANGHAI THINK CLUB75♥♣A=+0
-1.5Round 8ZALESKI182♠♦5=+0
-1.5Round 12ZHEJIANG HUAMEN293♠♥Q-1+0
-1.6Round 9VENTIN222♠♦9+3-6
-1.8Round 6GERMANY SENIORS 1242♦♦7=+1
-1.9Round 7GERMANY JUNIORS74♠♥3-1-6
-2.1Round 6GERMANY SENIORS 1303N♣6-2-6
-2.1Round 14LIAONING182♥♦J+2-6
-2.2Round 4PEKING UNIVERSITY64♣♠Q-2-11
-2.2Round 13SHANGHAI THINK CLUB14♠♠2+1-1
-2.2Round 14LIAONING121N♠4-1-5
-2.3Round 1CSO44♠♦Q-2-2
-2.3Round 5BEIJING-HONGKONG112♠♠2+1-6
-2.4Round 11PUDONG LUOGEBEIER172♠♣Q=+0
-2.4Round 14LIAONING153♦♠9=+0
-2.5Round 4PEKING UNIVERSITY92N♦J-1+0
-2.6Round 8ROSSARSKI204♠♣7=+0
-2.7Round 8ZALESKI192♠♥K-2+0
-2.8Round 8ROSSARSKI153♥♣6+1-1
-2.9Round 9VENTIN303♠♠J+2-2
-3.0Round 1CSO62N♠4-1-4
-3.0Round 12SHANGHAI EPC291♠♦K=-5
-3.1Round 9VENTIN264♠♥3-1-6
-3.1Round 12SHANGHAI EPC274♥♦Q+1+5
-3.3Round 11PUDONG LUOGEBEIER113♦♥A+2-7
-3.4Round 11DJARUM BLACK113N♣J+1+0
-3.5Round 7GERMANY JUNIORS55♠♦Q-1-6
-3.5Round 10CHEN25♦♦7=+0
-3.5Round 11DJARUM BLACK143N♠6+2+14
-3.6Round 12ZHEJIANG HUAMEN223N♥A-1-5
-3.6Round 13SHANGHAI THINK CLUB44♠♣J=+1
-3.7Round 14LIAONING204♠♦6+1-1
-3.9Round 7GERMANY JUNIORS23♦♠K-2-6
-3.9Round 8ZALESKI115♣♥2=-3
-4.2Round 9SHANGHAI JIANQIAO271♦x♥K=-7
-4.2Round 11PUDONG LUOGEBEIER183♥♠Q-3-6
-4.2Round 12SHANGHAI EPC215♦♠3-1-4
-4.4Round 9SHANGHAI JIANQIAO304♠x♥Q-1-6
-4.5Round 9VENTIN253N♠5-2-8
-4.5Round 10DELANEY12♦x♦4=-6
-4.6Round 11PUDONG LUOGEBEIER141♣♠4+2-15
-5.5Round 9VENTIN292N♥7=-6
-5.8Round 13SHANGHAI THINK CLUB66N♦3-2-14
-6.5Round 12SHANGHAI EPC243N♥J=-11
-7.7Round 14LIAONING146♠♦J=+10
-8.1Round 11DJARUM BLACK154♠♠2+1-11
-8.9Round 8ROSSARSKI173N♥9-1-12
-9.0Round 8ROSSARSKI114♠x♥3-2-12
-9.2Round 13SHANGHAI THINK CLUB24♥♠6-1-13
-9.3Round 9SHANGHAI JIANQIAO253N♦Q+1-10
-10.4Round 13SHANGHAI THINK CLUB56♦♠9-1-16
-12.9Round 10DELANEY24♥♥6=-14
-13.4Round 11DJARUM BLACK166N♥3=-13
-13.5Round 9SHANGHAI JIANQIAO284♣♥9-4-15