DAI Jianming · ZHEJIANGQIANTANG

159rank
+34.6Butler · 110 bds
+0.31per board
±4.6swing
+0.25vs par /bd · #213/567
+0.70adjusted /bd
Butler per round: -26.4 10.9 21.2 13.8 18.9 -9.8 -4.7 10.8 -22.1 14.5 7.5by round

vs par split: bidding -0.21 · play +0.45

Strength of schedule: opponents averaged +0.39/bd (a tough draw) → opponent-adjusted +0.70/bd

Card play — on target: opening leads 92.3% #26 of 567 · declarer play 87.1% #62 of 567 · defence 84.3% #234 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (7)94.7% (19)
Declarer play88.9% (9)86.4% (22)
Defence61.5% (13)92.1% (38)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 75.0% (4) · ♦ 90.9% (11) · ♣ 100.0% (6)

vs par by strain: NT -0.45 (29) · a suit +0.49 (81)

vs par by level: part-score +0.10 (51) · game +0.57 (53) · slam -1.33 (6)

By role: declaring +0.18/bd (-1.12 vs par · 59) · defending +0.47/bd (+1.82 vs par · 51)

By vulnerability: vulnerable +0.21/bd (+0.36 vs par · 53) · not vulnerable +0.41/bd (+0.14 vs par · 57)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.RanI.Grzejdziak – S.GrzejdziakClosed10-26.4-2.64-2.10
Round 2J.RanL.Milne – T.NunnClosed10+10.9+1.09+2.90
Round 4J.RanJ.Peng – K.WangOpen10+21.2+2.12+2.10
Round 5J.RanZ.Ping – J.DongOpen10+13.8+1.38+0.50
Round 6J.RanZ.Fu – X.HouClosed10+18.9+1.89+0.70
Round 7J.RanJ.Liu – Y.CaiOpen10-9.8-0.98-2.90
Round 8J.RanX.Li – M.KangOpen10-4.7-0.47-0.60
Round 11J.RanM.Whibley – M.BrownOpen10+10.8+1.08+1.90
Round 12J.RanJ.Hurd – K.BathurstClosed10-22.1-2.21-1.20
Round 14J.RanH.Zhang – L.HeClosed10+14.5+1.45+2.90
Round 15J.RanM.Hartono – A.NurhalimClosed10+7.5+0.75-1.50

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
+14.1Round 4HENGZHOU FINANCE63NTx♠7-4+14
+10.7Round 6PD TIMES253NT♠3+1+11
+10.3Round 5CHINA JUNIORS135♣♦Q-3+14
+8.9Round 14SANMING EDUCATION113NT♣10-2+11
+8.7Round 4HENGZHOU FINANCE74♠♣K=+10
+7.9Round 11NEW ZEALAND Open182♠x♦10=+8
+7.8Round 15INDONESIA Seniors286♠♦2=+0
+7.3Round 11NEW ZEALAND Open134♥♦3-1+6
+7.1Round 7WUHAN DONGFANG53NT♦2=+7
+7.1Round 15INDONESIA Seniors294♥♣3+1+4
+6.7Round 2AUSTRALIA Open115♦♥2-1+10
+6.6Round 4HENGZHOU FINANCE45♦♥2-1+13
+6.5Round 6PD TIMES296♠♥10=+0
+6.5Round 11NEW ZEALAND Open142♦♦6+1+6
+6.3Round 7WUHAN DONGFANG63♥♦2-1+7
+6.2Round 5CHINA JUNIORS194♠♥4=+7
+5.7Round 2AUSTRALIA Open205♣♥5-1+12
+4.6Round 11NEW ZEALAND Open164♥♠6-2+6
+4.5Round 14SANMING EDUCATION154♠♥4=+11
+4.4Round 14SANMING EDUCATION192♠♦A-3+6
+4.1Round 12MILLENS274♠♦6=+0
+4.1Round 15INDONESIA Seniors231NT♠K=+5
+3.6Round 1POLAND Mixed34♥♦K-1+5
+3.6Round 6PD TIMES275♠x♥Q-1+9
+3.6Round 8DALIAN AOXIN163♥x♣A-1+0
+3.6Round 8DALIAN AOXIN203NT♥2-2+7
+3.3Round 2AUSTRALIA Open154♥♥A=+6
+3.2Round 4HENGZHOU FINANCE82♠♣10-2+5
+3.1Round 2AUSTRALIA Open163♦♠10=+0
+3.1Round 15INDONESIA Seniors213♥♦6-1+6
+2.7Round 7WUHAN DONGFANG22♥♣A=+5
+2.5Round 2AUSTRALIA Open182♦♠A=+0
+2.2Round 7WUHAN DONGFANG104♠♦2-1-1
+2.1Round 5CHINA JUNIORS142NT♠K=+6
+1.9Round 8DALIAN AOXIN174♥♠A-1-2
+1.8Round 5CHINA JUNIORS121NT♠3+1+0
+1.8Round 15INDONESIA Seniors303♣♥5+2+0
+1.5Round 14SANMING EDUCATION164♠♥A-1+5
+1.4Round 11NEW ZEALAND Open123NT♣5+1+0
+1.3Round 6PD TIMES213♣♦10-2-5
+1.1Round 14SANMING EDUCATION142♦♠A+1+0
+1.0Round 12MILLENS292♠♣7=+1
+0.9Round 5CHINA JUNIORS112♦x♦3-1+1
+0.9Round 6PD TIMES243♦♣9=+0
+0.8Round 11NEW ZEALAND Open201NT♦3=+1
+0.8Round 14SANMING EDUCATION174♠♥4=-1
+0.6Round 1POLAND Mixed13♠♣3+1+6
+0.6Round 2AUSTRALIA Open131NT♦K=-1
+0.6Round 4HENGZHOU FINANCE102♣♠K=+0
+0.6Round 5CHINA JUNIORS163♣♠Q+1-7
+0.6Round 6PD TIMES232♥♣4=-1
+0.6Round 8DALIAN AOXIN185♣x♠K-3+4
+0.6Round 14SANMING EDUCATION124♠♦A=+0
+0.3Round 1POLAND Mixed71♦♦3+2+0
-0.0Round 8DALIAN AOXIN143NT♣7+2+0
-0.2Round 15INDONESIA Seniors243NT♦9+2+0
-0.3Round 2AUSTRALIA Open173♠♠5=+7
-0.3Round 4HENGZHOU FINANCE14♥♠K+1+0
-0.4Round 4HENGZHOU FINANCE54♠♥A+1-1
-0.4Round 5CHINA JUNIORS202♠♣2+1+0
-0.4Round 12MILLENS242NT♥10-4+6
-0.5Round 11NEW ZEALAND Open173♥♠2-2+7
-0.6Round 2AUSTRALIA Open143♦♥7=-5
-0.6Round 4HENGZHOU FINANCE34♥♦6+2-11
-0.6Round 6PD TIMES302♥♣K+1-6
-0.7Round 1POLAND Mixed103♥♣3-1-1
-0.7Round 12MILLENS262♣♠3=-2
-0.9Round 6PD TIMES222♥♦J+1+0
-0.9Round 8DALIAN AOXIN114♠♥A+2-1
-1.0Round 12MILLENS212♠♦K=+0
-1.2Round 2AUSTRALIA Open193♦♣3+1+0
-1.2Round 6PD TIMES281NT♦6+1+1
-1.3Round 7WUHAN DONGFANG83NT♦2=-11
-1.4Round 1POLAND Mixed92♦♣A+1+3
-1.4Round 14SANMING EDUCATION132♠♥K=+0
-1.4Round 15INDONESIA Seniors253NT♣4+2-1
-1.5Round 8DALIAN AOXIN153NT♣A+2-1
-1.6Round 5CHINA JUNIORS152♥♠A=-5
-1.7Round 5CHINA JUNIORS183NT♠9-1-6
-1.7Round 12MILLENS256♦♠8+1+11
-2.0Round 6PD TIMES262NT♥K+2-2
-2.3Round 8DALIAN AOXIN133♠♠2-2-2
-2.4Round 14SANMING EDUCATION201NT♦A-1+1
-2.7Round 15INDONESIA Seniors264♦♠J=-11
-2.8Round 12MILLENS302♦♦J-2-6
-3.1Round 1POLAND Mixed23NT♥2-1-5
-3.1Round 1POLAND Mixed84♠♥4-1-10
-3.2Round 7WUHAN DONGFANG11NT♣2=-5
-3.3Round 7WUHAN DONGFANG45♦♠2+1-3
-3.5Round 14SANMING EDUCATION184♥♦4+1-4
-3.6Round 4HENGZHOU FINANCE25♥♦A=-6
-3.6Round 8DALIAN AOXIN124♥♦K+2-11
-3.9Round 12MILLENS226♥♦J=+0
-4.4Round 5CHINA JUNIORS174♠♣6-1-5
-4.8Round 7WUHAN DONGFANG71NT♦2=-5
-4.9Round 11NEW ZEALAND Open193♥♣A-3-10
-5.2Round 15INDONESIA Seniors273♠♣K=-6
-5.9Round 11NEW ZEALAND Open154♠♦K+1+0
-6.1Round 8DALIAN AOXIN193NT♠2=+0
-6.4Round 11NEW ZEALAND Open116♦♣4-2-5
-6.9Round 1POLAND Mixed44♠♣8-2-8
-6.9Round 15INDONESIA Seniors223NT♠4-1-12
-7.1Round 4HENGZHOU FINANCE92♦♦Q-4-3
-7.5Round 7WUHAN DONGFANG33NT♠K=-7
-7.6Round 1POLAND Mixed53NT♥8-2-11
-7.6Round 12MILLENS234♥♥5-2-8
-8.0Round 7WUHAN DONGFANG93NT♠2-1-16
-8.1Round 1POLAND Mixed64♥♦6=+0
-8.9Round 2AUSTRALIA Open125♥x♣A-3+0
-9.1Round 12MILLENS286♥♣7-2-14