CAI Wenbin · ZJJDWUHANYUAN

545rank
-67.8Butler · 140 bds
-0.48per board
±4.3swing
-0.70vs par /bd · #489/567
-0.68adjusted /bd
Butler per round: -40.4 13 -3.3 -9.3 14.2 -25.9 -4.5 11.8 -10.7 -4.8 10.2 -10.2 -6.1 -1.8by round

vs par split: bidding -0.57 · play -0.19

Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -0.68/bd

Card play — on target: opening leads 66.2% #537 of 567 · declarer play 60.0% #550 of 567 · defence 82.4% #293 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads47.8% (23)75.6% (45)
Declarer play100.0% (1)50.0% (4)
Defence88.0% (25)79.6% (49)

Opening leads by suit led: ♦ 66.2% (68)

vs par by strain: NT +0.96 (49) · a suit -1.64 (90)

vs par by level: part-score -0.34 (59) · game -0.97 (74) · slam -1.50 (6)

By role: declaring -0.64/bd (-2.76 vs par · 66) · defending -0.34/bd (+1.14 vs par · 74)

By vulnerability: vulnerable -1.12/bd (-1.20 vs par · 70) · not vulnerable +0.15/bd (-0.20 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.TaoJ.Hu – Y.ChenClosed10-40.4-4.04-4.30
Round 2D.TaoH.Kim – E.YeaClosed10+13.0+1.30-0.50
Round 3D.TaoJ.Long – G.FangClosed10-3.3-0.33+0.90
Round 4D.TaoJ.Zhang – W.ShenClosed10-9.3-0.93-0.90
Round 6Z.ZhuR.Chen – X.HuaOpen10+14.2+1.42+3.20
Round 7Z.ZhuH.Kane – A.SymonsOpen10-25.9-2.59+0.00
Round 8D.TaoF.Yu – R.ZhangOpen10-4.5-0.45-0.40
Round 9Z.ZhuG.Tan – J.ChooClosed10+11.8+1.18-1.80
Round 10Z.ZhuM.Zonca – F.TiscorniaClosed10-10.7-1.07-3.20
Round 11Z.ZhuD.Cui – B.TangOpen10-4.8-0.48-1.30
Round 12Z.ZhuJ.Wilkinson – S.NewtonOpen10+10.2+1.02+0.80
Round 13Z.ZhuM.Ince – N.KoktenOpen10-10.2-1.02-2.20
Round 14Z.ZhuM.O'Briain – D.O'GormanClosed10-6.1-0.61-2.30
Round 15Z.ZhuY.Wei – D.YuOpen10-1.8-0.18+2.20

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
+9.6Round 6WUHAN ENGINEERING283NT♦3=+10
+8.5Round 12PK NZ286♥♦3-1+14
+7.7Round 9ITS MAGIC304♠♦3=+0
+7.5Round 3BEIJINGXUGUANG213NT♦3-1+11
+7.4Round 2ENSEMBLE203NT♠3+1+4
+6.4Round 9ITS MAGIC223NT♦3=+7
+6.3Round 2ENSEMBLE174♠♦3=+0
+6.1Round 8SHANGHAI GUHUA193NT♦3=+0
+5.9Round 11METALLURGY FED154♠♦3+1+0
+5.7Round 6WUHAN ENGINEERING275♥x♦3-2+0
+5.6Round 12PK NZ274♠♦3-1+10
+5.2Round 11METALLURGY FED145♣♦3=+7
+4.5Round 7SCOTLAND BLUE11NT♦3+2+6
+4.4Round 6WUHAN ENGINEERING233NT♦3-1+6
+4.2Round 4BRIDGEFRIENDS92♦♦3-3+9
+3.9Round 12PK NZ226NT♦3=+0
+3.9Round 13TURKEY Seniors104♥♦3-2+8
+3.9Round 15JILIN BA221NT♦3-2+11
+3.8Round 2ENSEMBLE163NT♣3=+7
+3.6Round 8SHANGHAI GUHUA124♥♦3+2+11
+3.6Round 13TURKEY Seniors42♥♦3-1+5
+3.5Round 3BEIJINGXUGUANG253NT♦3-1+0
+3.2Round 13TURKEY Seniors34♣♦3=+11
+3.2Round 14IRELAND163♠♦3=+0
+3.2Round 15JILIN BA294♠♦3-1+9
+3.1Round 1REIGNWOOD84♠♦3-1+10
+3.1Round 10ANIT NEGRA73NT♦3=+0
+3.0Round 14IRELAND141NT♦3-1+4
+2.9Round 6WUHAN ENGINEERING243NT♦3-1+4
+2.8Round 15JILIN BA303NT♦3-1+5
+2.7Round 2ENSEMBLE182♥♦3-2+5
+2.7Round 3BEIJINGXUGUANG273NT♦3+1+4
+2.7Round 15JILIN BA213♥♦3=+0
+2.6Round 7SCOTLAND BLUE65♦x♦3=+4
+2.6Round 14IRELAND155♣♦3-1-5
+2.5Round 12PK NZ302♦♦3=+6
+2.4Round 10ANIT NEGRA63NT♦3-1+6
+2.4Round 14IRELAND133♠♦3=+1
+2.4Round 14IRELAND203♥♦3-1-1
+2.1Round 9ITS MAGIC213♠♦3=+7
+2.0Round 4BRIDGEFRIENDS62♥♦3-2+3
+1.8Round 15JILIN BA231♠♦3+2+1
+1.7Round 2ENSEMBLE142NT♦3+1+6
+1.7Round 4BRIDGEFRIENDS82NT♦3-1+4
+1.7Round 6WUHAN ENGINEERING213NT♦3-4+7
+1.6Round 4BRIDGEFRIENDS101NT♦3+1+1
+1.6Round 9ITS MAGIC293♠♦3+1-1
+1.3Round 7SCOTLAND BLUE83NT♦3=+11
+1.3Round 11METALLURGY FED163♥♦3=+0
+1.3Round 15JILIN BA274♠♦3-1+2
+1.2Round 9ITS MAGIC283♥♦3-1+4
+1.1Round 3BEIJINGXUGUANG264♥♦3+2+13
+1.0Round 2ENSEMBLE124♥♦3-2-9
+1.0Round 8SHANGHAI GUHUA163NT♦3-1+5
+1.0Round 10ANIT NEGRA86NT♦3+1-11
+1.0Round 12PK NZ213♣♦3=+0
+0.9Round 1REIGNWOOD52♠♦3+3+6
+0.8Round 2ENSEMBLE114♥x♦3-2-3
+0.7Round 12PK NZ262♣♦2=+2
+0.7Round 14IRELAND193♣♦3-1+0
+0.6Round 11METALLURGY FED172♠♦3=-7
+0.5Round 4BRIDGEFRIENDS54♠♦3=+0
+0.5Round 8SHANGHAI GUHUA153NT♦3+1+0
+0.5Round 9ITS MAGIC263NT♦3+2-12
+0.3Round 8SHANGHAI GUHUA134♦♦3=+0
+0.3Round 9ITS MAGIC272♠♦3+1+7
+0.2Round 10ANIT NEGRA34♣♦3+1-6
+0.2Round 15JILIN BA243NT♦3+2+0
-0.0Round 8SHANGHAI GUHUA114♠♦3+1+0
-0.1Round 3BEIJINGXUGUANG223NT♦3-1-5
-0.1Round 6WUHAN ENGINEERING222♥♦3=-1
-0.1Round 13TURKEY Seniors93NT♦3+1+1
-0.2Round 6WUHAN ENGINEERING261♠♦3-1-1
-0.2Round 6WUHAN ENGINEERING302♥♦3+2+6
-0.2Round 13TURKEY Seniors75♣♦3=+2
-0.3Round 3BEIJINGXUGUANG304♥♦3+1+0
-0.3Round 4BRIDGEFRIENDS15♥♦3=+0
-0.5Round 1REIGNWOOD71NT♦3+1+0
-0.5Round 11METALLURGY FED202♣♦3-1+0
-0.5Round 15JILIN BA253NT♦3=-1
-0.6Round 1REIGNWOOD13♠♦3+1-6
-0.6Round 2ENSEMBLE131NT♦3=+1
-0.6Round 4BRIDGEFRIENDS34♥♦3+2-11
-0.6Round 11METALLURGY FED123NT♦3=+1
-0.6Round 14IRELAND124♥♦3=+0
-0.8Round 11METALLURGY FED182♠♦3+1-1
-1.0Round 8SHANGHAI GUHUA143NT♦3+1-1
-1.0Round 12PK NZ244♣♦3-3-7
-1.0Round 12PK NZ292♠♦3=-1
-1.3Round 10ANIT NEGRA102♠♦3=+0
-1.4Round 10ANIT NEGRA9Pass+3
-1.5Round 1REIGNWOOD23♦♦3+1+0
-1.5Round 3BEIJINGXUGUANG243NT♦3+2+0
-1.5Round 10ANIT NEGRA52♠♦3-1-5
-1.7Round 9ITS MAGIC255♥♦3+1-11
-1.7Round 14IRELAND174♠♦3+1+0
-1.9Round 9ITS MAGIC243♥♦3-2-5
-2.1Round 12PK NZ231NT♦3-2-2
-2.2Round 13TURKEY Seniors12♥♦3+2-6
-2.3Round 7SCOTLAND BLUE72♣x♦3-1-3
-2.7Round 7SCOTLAND BLUE22♠♦3=-5
-2.7Round 10ANIT NEGRA11NT♦3+1-5
-2.8Round 3BEIJINGXUGUANG284♥♦3+1+0
-3.1Round 6WUHAN ENGINEERING251NT♦3=+1
-3.1Round 7SCOTLAND BLUE104♦♦3=+0
-3.3Round 2ENSEMBLE154♥♦3=-6
-3.6Round 1REIGNWOOD32NT♦3-1-5
-3.6Round 8SHANGHAI GUHUA203NT♦3-2-7
-3.7Round 10ANIT NEGRA42♠♦3=-6
-3.8Round 1REIGNWOOD62♠♦3=-11
-3.9Round 8SHANGHAI GUHUA174♣♦3=-1
-4.0Round 11METALLURGY FED193NT♦3=+0
-4.1Round 13TURKEY Seniors22♠♦3+1-12
-4.3Round 13TURKEY Seniors54♥♦3=-11
-4.4Round 9ITS MAGIC235♦♦3+1-14
-4.6Round 7SCOTLAND BLUE33NT♦3-2-6
-4.6Round 11METALLURGY FED113NT♦3=-7
-4.8Round 3BEIJINGXUGUANG232♠♦3+2-2
-4.9Round 13TURKEY Seniors64♥♦3-1-10
-5.0Round 4BRIDGEFRIENDS43NT♦3+1+1
-5.1Round 13TURKEY Seniors84♥♦3+1-10
-5.8Round 7SCOTLAND BLUE93NT♦3+2+12
-6.0Round 4BRIDGEFRIENDS74♠♦3-1-6
-6.4Round 1REIGNWOOD43♣x♦3-2-8
-6.5Round 6WUHAN ENGINEERING296♠♦3=+0
-6.8Round 2ENSEMBLE193NT♦3=-10
-6.8Round 10ANIT NEGRA22♠♦3+2-8
-7.1Round 7SCOTLAND BLUE53NT♦3=-7
-7.3Round 11METALLURGY FED134♥♦3-1-6
-7.4Round 4BRIDGEFRIENDS25♥x♦3=-10
-7.5Round 8SHANGHAI GUHUA184♦♦3+1-11
-7.9Round 12PK NZ254♥♦3+2-14
-7.9Round 14IRELAND113NT♦3-1-10
-8.2Round 15JILIN BA286NT♦3=+0
-8.6Round 3BEIJINGXUGUANG294♠x♦3=-12
-8.7Round 7SCOTLAND BLUE46♦♦3-1-12
-9.0Round 15JILIN BA264♠x♦3-3-5
-10.2Round 14IRELAND185♥♦3-1-12
-13.3Round 1REIGNWOOD104♥xx♦3-2-13
-14.7Round 1REIGNWOOD95♣x♦3-5-16