ZHU Zhiqiang · ZJJDWUHANYUAN

374rank
-11.2Butler · 140 bds
-0.08per board
±3.9swing
-0.13vs par /bd · #329/567
-0.49adjusted /bd
Butler per round: -9.6 20.1 -16.5 3.6 14.5 14.2 -25.9 11.8 -10.7 -4.8 10.2 -10.2 -6.1 -1.8by round

vs par split: bidding -0.55 · play +0.37

Strength of schedule: opponents averaged -0.41/bd (an easy draw) → opponent-adjusted -0.49/bd

Card play — on target: opening leads 57.1% #558 of 567 · declarer play 72.1% #393 of 567 · defence 84.8% #220 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)62.5% (8)
Declarer play58.8% (17)77.3% (44)
Defence82.6% (23)86.0% (43)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 42.9% (7) · ♦ 100.0% (1) · ♣ 100.0% (2)

vs par by strain: NT +0.63 (43) · a suit -0.50 (96)

vs par by level: part-score -0.19 (70) · game +0.02 (63) · slam -1.50 (6)

By role: declaring -0.37/bd (-1.95 vs par · 74) · defending +0.25/bd (+1.91 vs par · 66)

By vulnerability: vulnerable -0.07/bd (-0.13 vs par · 70) · not vulnerable -0.09/bd (-0.13 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.ZhangS.Liu – Y.KuangOpen10-9.6-0.96-0.40
Round 2X.ZhangR.He – M.OhOpen10+20.1+2.01+4.10
Round 3X.ZhangQ.Jiang – X.ZouOpen10-16.5-1.65-2.80
Round 4X.ZhangY.Wang – Y.DuanOpen10+3.6+0.36-0.10
Round 5X.ZhangC.Wang – B.ChenClosed10+14.5+1.45+2.00
Round 6W.CaiR.Chen – X.HuaOpen10+14.2+1.42+3.20
Round 7W.CaiH.Kane – A.SymonsOpen10-25.9-2.59+0.00
Round 9W.CaiG.Tan – J.ChooClosed10+11.8+1.18-1.80
Round 10W.CaiM.Zonca – F.TiscorniaClosed10-10.7-1.07-3.20
Round 11W.CaiD.Cui – B.TangOpen10-4.8-0.48-1.30
Round 12W.CaiJ.Wilkinson – S.NewtonOpen10+10.2+1.02+0.80
Round 13W.CaiM.Ince – N.KoktenOpen10-10.2-1.02-2.20
Round 14W.CaiM.O'Briain – D.O'GormanClosed10-6.1-0.61-2.30
Round 15W.CaiY.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
+7.3Round 1REIGNWOOD95♦x♦5-2+11
+7.3Round 2ENSEMBLE193NT♦10+1+11
+6.6Round 4BRIDGEFRIENDS103♣♣5-2+7
+6.4Round 9ITS MAGIC223NT♦3=+7
+6.3Round 5HUAXINHUANBAO163NT♥3-3+11
+5.9Round 11METALLURGY FED154♠♦3+1+0
+5.7Round 2ENSEMBLE204♠♥A-1+12
+5.7Round 6WUHAN ENGINEERING275♥x♦3-2+0
+5.6Round 12PK NZ274♠♦3-1+10
+5.2Round 11METALLURGY FED145♣♦3=+7
+5.0Round 5HUAXINHUANBAO133NT♣10+1+0
+4.7Round 2ENSEMBLE113♥♦5-1+9
+4.6Round 2ENSEMBLE123♥♦5=+12
+4.5Round 7SCOTLAND BLUE11NT♦3+2+6
+4.4Round 6WUHAN ENGINEERING233NT♦3-1+6
+4.3Round 5HUAXINHUANBAO183NT♠6-2+8
+3.9Round 12PK NZ226NT♦3=+0
+3.9Round 13TURKEY Seniors104♥♦3-2+8
+3.9Round 15JILIN BA221NT♦3-2+11
+3.6Round 5HUAXINHUANBAO194♠♥5-1+5
+3.6Round 13TURKEY Seniors42♥♦3-1+5
+3.3Round 2ENSEMBLE154♥♠A=+6
+3.2Round 13TURKEY Seniors34♣♦3=+11
+3.2Round 14IRELAND163♠♦3=+0
+3.2Round 15JILIN BA294♠♦3-1+9
+3.1Round 2ENSEMBLE163♦♠7=+0
+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 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 3BEIJINGXUGUANG253♥♦A=+6
+2.1Round 9ITS MAGIC213♠♦3=+7
+1.8Round 15JILIN BA231♠♦3+2+1
+1.7Round 6WUHAN ENGINEERING213NT♦3-4+7
+1.6Round 5HUAXINHUANBAO152♥♠A=+5
+1.6Round 9ITS MAGIC293♠♦3+1-1
+1.3Round 5HUAXINHUANBAO203♠♥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 1REIGNWOOD42♣x♥3-1+2
+1.0Round 10ANIT NEGRA86NT♦3+1-11
+1.0Round 12PK NZ213♣♦3=+0
+0.8Round 4BRIDGEFRIENDS62♠♦A=+0
+0.7Round 4BRIDGEFRIENDS72♠♣K+1+0
+0.7Round 12PK NZ262♣♦2=+2
+0.7Round 14IRELAND193♣♦3-1+0
+0.6Round 1REIGNWOOD12♠♣4+2+6
+0.6Round 3BEIJINGXUGUANG245♦♥2+1-1
+0.6Round 4BRIDGEFRIENDS34♥♠K+2+11
+0.6Round 11METALLURGY FED172♠♦3=-7
+0.5Round 1REIGNWOOD71NT♥8+1+0
+0.5Round 9ITS MAGIC263NT♦3+2-12
+0.4Round 4BRIDGEFRIENDS54♠♥A+1+1
+0.4Round 4BRIDGEFRIENDS92♥♠A-1-5
+0.3Round 3BEIJINGXUGUANG304♥♠A+1+0
+0.3Round 4BRIDGEFRIENDS14♥♠K+1+0
+0.3Round 9ITS MAGIC272♠♦3+1+7
+0.2Round 5HUAXINHUANBAO113♠♠4=+0
+0.2Round 10ANIT NEGRA34♣♦3+1-6
+0.2Round 15JILIN BA243NT♦3+2+0
+0.1Round 3BEIJINGXUGUANG223NT♣Q-1+5
+0.0Round 5HUAXINHUANBAO122♥♥2-1+2
-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
-0.5Round 11METALLURGY FED202♣♦3-1+0
-0.5Round 15JILIN BA253NT♦3=-1
-0.6Round 2ENSEMBLE143♦♥4=-5
-0.6Round 11METALLURGY FED123NT♦3=+1
-0.6Round 14IRELAND124♥♦3=+0
-0.7Round 1REIGNWOOD103♥♣K-1-1
-0.8Round 11METALLURGY FED182♠♦3+1-1
-1.0Round 12PK NZ244♣♦3-3-7
-1.0Round 12PK NZ292♠♦3=-1
-1.1Round 3BEIJINGXUGUANG264♥♠K+2-13
-1.3Round 2ENSEMBLE172♠♥5+2+6
-1.3Round 4BRIDGEFRIENDS25♣x♥K-1+0
-1.3Round 10ANIT NEGRA102♠♦3=+0
-1.4Round 10ANIT NEGRA9Pass+3
-1.5Round 10ANIT NEGRA52♠♦3-1-5
-1.7Round 3BEIJINGXUGUANG232NT♣2-1-5
-1.7Round 4BRIDGEFRIENDS82♠♦K-1-4
-1.7Round 9ITS MAGIC255♥♦3+1-11
-1.7Round 14IRELAND174♠♦3+1+0
-1.9Round 9ITS MAGIC243♥♦3-2-5
-2.1Round 5HUAXINHUANBAO142NT♥5=-6
-2.1Round 12PK NZ231NT♦3-2-2
-2.2Round 1REIGNWOOD52♣♣9+3-7
-2.2Round 13TURKEY Seniors12♥♦3+2-6
-2.3Round 2ENSEMBLE181NT♥10=-5
-2.3Round 7SCOTLAND BLUE72♣x♦3-1-3
-2.7Round 3BEIJINGXUGUANG273NT♠5+1-4
-2.7Round 7SCOTLAND BLUE22♠♦3=-5
-2.7Round 10ANIT NEGRA11NT♦3+1-5
-2.9Round 1REIGNWOOD32♦x♥A-1-2
-2.9Round 3BEIJINGXUGUANG282♥♠Q+3-6
-3.1Round 1REIGNWOOD84♠♥4-1-10
-3.1Round 6WUHAN ENGINEERING251NT♦3=+1
-3.1Round 7SCOTLAND BLUE104♦♦3=+0
-3.2Round 4BRIDGEFRIENDS43♥♠J=-11
-3.7Round 3BEIJINGXUGUANG293♠♥A+1+1
-3.7Round 10ANIT NEGRA42♠♦3=-6
-4.0Round 11METALLURGY FED193NT♦3=+0
-4.1Round 13TURKEY Seniors22♠♦3+1-12
-4.3Round 13TURKEY Seniors54♥♦3=-11
-4.4Round 2ENSEMBLE131NT♦K-1-5
-4.4Round 9ITS MAGIC235♦♦3+1-14
-4.5Round 1REIGNWOOD25♦x♥A-1-6
-4.6Round 7SCOTLAND BLUE33NT♦3-2-6
-4.6Round 11METALLURGY FED113NT♦3=-7
-4.9Round 13TURKEY Seniors64♥♦3-1-10
-5.1Round 13TURKEY Seniors84♥♦3+1-10
-5.7Round 1REIGNWOOD62NT♥5-3+3
-5.7Round 5HUAXINHUANBAO173NT♣J=-6
-5.8Round 7SCOTLAND BLUE93NT♦3+2+12
-6.5Round 6WUHAN ENGINEERING296♠♦3=+0
-6.8Round 10ANIT NEGRA22♠♦3+2-8
-7.1Round 7SCOTLAND BLUE53NT♦3=-7
-7.3Round 11METALLURGY FED134♥♦3-1-6
-7.5Round 3BEIJINGXUGUANG213NT♦3-1-11
-7.9Round 12PK NZ254♥♦3+2-14
-7.9Round 14IRELAND113NT♦3-1-10
-8.2Round 15JILIN BA286NT♦3=+0
-8.7Round 7SCOTLAND BLUE46♦♦3-1-12
-9.0Round 15JILIN BA264♠x♦3-3-5
-10.2Round 14IRELAND185♥♦3-1-12