ZHANG Yu · ZHEJIANGQIANTANG

253rank
+9.8Butler · 90 bds
+0.11per board
±4.0swing
+1.04vs par /bd · #22/567
+0.17adjusted /bd
Butler per round: -14.3 7 18.5 11.7 -3.1 -23.8 2.7 7.7 3.4by round

vs par split: bidding +0.94 · play +0.10

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.17/bd

Card play — on target: opening leads 90.5% #43 of 567 · declarer play 72.4% #389 of 567 · defence 84.4% #232 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (7)92.9% (14)
Declarer play83.3% (6)69.6% (23)
Defence75.0% (16)89.7% (29)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 100.0% (4) · ♦ 100.0% (6) · ♣ 100.0% (5)

vs par by strain: NT +2.92 (26) · a suit +0.28 (64)

vs par by level: part-score +0.35 (40) · game +1.93 (45) · slam -1.40 (5)

By role: declaring -0.34/bd (-1.91 vs par · 45) · defending +0.56/bd (+4.00 vs par · 45)

By vulnerability: vulnerable +0.77/bd (+2.17 vs par · 47) · not vulnerable -0.62/bd (-0.19 vs par · 43)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3J.ZhaoS.Orlov – M.KrasnosselskiClosed10-14.3-1.43-0.20
Round 4J.ZhaoH.Liu – Y.ZhangClosed10+7.0+0.70+0.50
Round 5J.ZhaoC.Zhu – K.JinClosed10+18.5+1.85+2.70
Round 8J.ZhaoJ.Chen – S.HuoClosed10+11.7+1.17+1.00
Round 9J.ZhaoW.He – S.LiuOpen10-3.1-0.31+3.30
Round 10J.ZhaoJ.Lall – B.MossOpen10-23.8-2.38-0.30
Round 11J.ZhaoA.Bach – M.CornellClosed10+2.7+0.27-0.10
Round 12J.ZhaoK.Dwyer – S.HuangOpen10+7.7+0.77+0.50
Round 13J.ZhaoL.Li – Y.WangClosed10+3.4+0.34+2.00

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
+8.1Round 5CHINA JUNIORS111NTx♠K-3+8
+7.6Round 12MILLENS274♠♣J-3+11
+7.5Round 3RUSSIA Open213NT♦8-1+11
+7.3Round 11NEW ZEALAND Open164♥♣4=+7
+6.1Round 8DALIAN AOXIN193NT♠2=+0
+6.0Round 4HENGZHOU FINANCE72NT♣K-1+6
+5.7Round 4HENGZHOU FINANCE43NT♠J+2+0
+5.6Round 4HENGZHOU FINANCE62♥♠7=+6
+5.6Round 13CHINA HUOCHETOU33NT♥2=-1
+5.1Round 11NEW ZEALAND Open115♦♣4-1+4
+5.1Round 13CHINA HUOCHETOU54♥♦A+1+11
+5.0Round 5CHINA JUNIORS133NT♦8+1+0
+4.9Round 12MILLENS262♣♦Q-1+6
+4.7Round 4HENGZHOU FINANCE91♥♠K=+0
+4.7Round 11NEW ZEALAND Open123♥♣K+1+6
+4.6Round 11NEW ZEALAND Open133NT♠5=+10
+4.4Round 8DALIAN AOXIN201NT♥2+1+0
+4.0Round 8DALIAN AOXIN123NT♦5+2+11
+3.9Round 12MILLENS226♥♦J=+0
+3.6Round 5CHINA JUNIORS194♠♣A-1+5
+3.4Round 9ZHONGSHAN JIEGAO233NT♥K+2+14
+3.4Round 13CHINA HUOCHETOU43♣♣4-2+3
+3.2Round 8DALIAN AOXIN184♠♣K+1+0
+3.2Round 9ZHONGSHAN JIEGAO225♦♠6-1+5
+2.5Round 10SIVY A63♠♣10=+0
+1.9Round 8DALIAN AOXIN175♣♦A-2+5
+1.8Round 9ZHONGSHAN JIEGAO304♠♦Q-1+10
+1.7Round 3RUSSIA Open233NT♣2-1+5
+1.7Round 5CHINA JUNIORS182NT♦J-1+6
+1.7Round 9ZHONGSHAN JIEGAO254♥♦5+2+11
+1.7Round 12MILLENS256♦♣Q+1-11
+1.6Round 5CHINA JUNIORS152♥♠K=+5
+1.4Round 12MILLENS302NT♦J-1+5
+1.3Round 5CHINA JUNIORS202♠♦10+2+1
+1.1Round 3RUSSIA Open264♥♠K+2+13
+0.6Round 4HENGZHOU FINANCE34♥♦3+2+11
+0.6Round 9ZHONGSHAN JIEGAO273♠♥A+1-6
+0.6Round 11NEW ZEALAND Open202♠♠3+1+1
+0.5Round 8DALIAN AOXIN153NT♠2+1+0
+0.5Round 10SIVY A34♣♥A=+7
+0.4Round 13CHINA HUOCHETOU62♦♥4+2+7
+0.3Round 3RUSSIA Open245♦♥K=+2
+0.3Round 4HENGZHOU FINANCE14♥♠K+1+0
+0.2Round 13CHINA HUOCHETOU75♣♦K=-2
+0.1Round 9ZHONGSHAN JIEGAO243♥♦6-1+4
+0.1Round 13CHINA HUOCHETOU93NT♠6+1-1
+0.0Round 5CHINA JUNIORS122♦♦5-1+2
-0.0Round 5CHINA JUNIORS171♠♣J+2+0
-0.0Round 8DALIAN AOXIN114♠♥A+1+0
+0.0Round 8DALIAN AOXIN143NT♦7+2+0
+0.0Round 10SIVY A86NT♦4=+11
-0.1Round 3RUSSIA Open223NT♥10-1-5
-0.2Round 5CHINA JUNIORS142♦♦2-1-5
-0.3Round 3RUSSIA Open304♥♣6+1+0
-0.3Round 12MILLENS232♥♥5+1+0
-0.5Round 9ZHONGSHAN JIEGAO263NT♥8+2+12
-0.6Round 8DALIAN AOXIN133♦♠A=-1
-1.0Round 12MILLENS292♠♣7=-1
-1.1Round 12MILLENS243♥♣3=-7
-1.2Round 11NEW ZEALAND Open173♥♠2-1-8
-1.3Round 12MILLENS284♠♠7+2+11
-1.4Round 3RUSSIA Open285♣♠Q=+2
-1.5Round 10SIVY A91NT♥A=-5
-1.5Round 13CHINA HUOCHETOU103♥♠5-1-6
-1.6Round 4HENGZHOU FINANCE101NT♠5+1-1
-1.7Round 4HENGZHOU FINANCE82♠♣10-1-4
-1.9Round 13CHINA HUOCHETOU23♦♣Q=+9
-2.5Round 11NEW ZEALAND Open183♥♠3-2-3
-2.6Round 5CHINA JUNIORS162♥♠8-2+5
-2.7Round 10SIVY A24♠♥A=-3
-2.9Round 9ZHONGSHAN JIEGAO283♥♣10-2-5
-3.1Round 10SIVY A12♦♥4=+0
-3.1Round 10SIVY A73NT♠K=+0
-3.3Round 10SIVY A53♦♣Q-2+0
-3.4Round 9ZHONGSHAN JIEGAO291NT♣Q-1-1
-3.5Round 13CHINA HUOCHETOU14♥♦Q=+0
-3.7Round 10SIVY A103♠♥10-1-5
-4.0Round 11NEW ZEALAND Open193NT♦2=+0
-4.5Round 13CHINA HUOCHETOU86♦♠9=+0
-5.2Round 3RUSSIA Open294♠♥J=-10
-5.3Round 11NEW ZEALAND Open145♣♥3-1-5
-6.3Round 4HENGZHOU FINANCE26♥x♦A-1-7
-6.3Round 4HENGZHOU FINANCE53♠♣J+1-6
-6.6Round 11NEW ZEALAND Open154♠♦5-1-13
-7.1Round 9ZHONGSHAN JIEGAO214♠x♦A-1-11
-7.7Round 3RUSSIA Open274♥♠2-1-8
-7.8Round 8DALIAN AOXIN164♥x♣A-2-5
-8.1Round 12MILLENS211NTx♥A-2-9
-9.4Round 10SIVY A44♠x♠7-2-8
-10.2Round 3RUSSIA Open254♥♦A=-12