ZHOU Xiaodong · SHANGHAI JIAHENG

250rank
+25.0Butler · 129 bds
+0.19per board
±4.0swing
+0.31vs par /bd · #208/672
+0.34adjusted /bd
Butler per round: 4 12.4 5.8 -1 -1.5 -3.5 1.5 1.2 -20.3 28.3 22.1 -15.2 -8.8by round

vs par split: bidding -0.16 · play +0.19

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.34/bd

Card play — on target: opening leads 89.7% #116 of 671 · declarer play 61.9% #613 of 671 · defence 86.8% #276 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·89.7% (29)
Declarer play·61.9% (21)
Defence·86.8% (53)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 85.7% (7) · ♦ 100.0% (9) · ♣ 87.5% (8)

vs par by strain: a suit +0.03 (88)

vs par by level: part-score -0.11 (35) · game +0.85 (46) · slam -4.57 (7)

By role: declaring +0.75/bd (-1.54 vs par · 57) · defending -0.24/bd (+1.78 vs par · 72)

By vulnerability: vulnerable +0.15/bd (+0.39 vs par · 64) · not vulnerable +0.23/bd (+0.23 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.XueW.Gu – S.JinClosed9+4.0+0.44+1.56
Round 3H.JiangY.Niu – Y.ZhangOpen10+12.4+1.24+0.20
Round 4H.JiangR.Zhang – B.ShiClosed10+5.8+0.58+0.50
Round 5H.JiangJ.Li – J.LiuOpen10-1.0-0.10+0.90
Round 6H.JiangG.Cai – Q.GongClosed10-1.5-0.15+0.60
Round 7H.JiangH.Chen – X.LiOpen10-3.5-0.35+0.70
Round 9H.JiangH.Yanagisawa – K.HirakiOpen10+1.5+0.15+0.60
Round 10H.JiangE.Greco – G.HampsonClosed10+1.2+0.12+1.70
Round 11H.JiangA.Kowalski – P.TuszynskiOpen10-20.3-2.03-2.30
Round 12H.JiangD.Wu – X.WuOpen10+28.3+2.83+2.00
Round 13Y.XueZ.Shi – L.HaitaoClosed10+22.1+2.21-1.80
Round 14Y.XueZ.Lu – J.QianOpen10-15.2-1.52+1.20
Round 15H.JiangR.Fan – Y.ZhongOpen10-8.8-0.88-1.70

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 13XINYUANKONGGU44♠♣8-2+13
+9.2Round 3SHANGHAI YOUTH 5264♦♣Q=+10
+8.4Round 13XINYUANKONGGU86♠♦Q=-11
+8.3Round 1CHINA KINGDOM73N♠J-2+13
+8.2Round 9YANAGISAWA274♠♦9=+7
+8.0Round 15CHINA LIGHT INDUSTRY232♦♣4-3+5
+7.1Round 3SHANGHAI YOUTH 5284♥♠4+1+6
+7.1Round 12LIAONING243N♣2+1+11
+6.7Round 12LIAONING223N♥K+1+7
+6.6Round 12LIAONING284♠♦K=+5
+6.5Round 13XINYUANKONGGU63N♥6+2-11
+6.4Round 1CHINA KINGDOM14♥♣10+1+0
+5.3Round 6BEIJING-HONGKONG216♥♥6-1+11
+5.3Round 6BEIJING-HONGKONG222N♦3=+1
+5.2Round 5JIANGSU133N♠2=+5
+5.0Round 6BEIJING-HONGKONG254♠♦5-2+8
+4.9Round 3SHANGHAI YOUTH 5303N♥7+2-4
+4.9Round 13XINYUANKONGGU24♥♦4+2+1
+4.8Round 13XINYUANKONGGU103N♥K-1+6
+4.7Round 7CHINA LIUPANSHUI55♠x♦Q-1+7
+4.7Round 12LIAONING264♥♣4-2+8
+4.4Round 3SHANGHAI YOUTH 5251N♥10-1+5
+4.4Round 10O'ROURKE95♦x♥10-1+5
+4.4Round 15CHINA LIGHT INDUSTRY212♣♣Q-1+5
+4.2Round 5JIANGSU192♠♥3+1+6
+3.8Round 14ZHEJIANG ZHENGYUAN113♥♦6-2+0
+2.9Round 11ROSSARSKI154♠♣A-1-2
+2.6Round 14ZHEJIANG ZHENGYUAN121N♠4=+0
+2.5Round 4SHANGHAI THINK CLUB92♠♣8=+0
+2.5Round 9YANAGISAWA222♠♦6+2+6
+2.2Round 4SHANGHAI THINK CLUB15♦x♥5-1+5
+2.2Round 12LIAONING274♥♦Q=-6
+2.1Round 15CHINA LIGHT INDUSTRY272♥♣2+1+0
+1.9Round 7CHINA LIUPANSHUI74♠♥3-1+6
+1.7Round 1CHINA KINGDOM62N♠9=+1
+1.5Round 10O'ROURKE72♠♥K+1-8
+1.4Round 4SHANGHAI THINK CLUB82♠♦Q+1+0
+1.3Round 3SHANGHAI YOUTH 5242N♣8+2+1
+1.3Round 12LIAONING304♥♦A-1+5
+1.2Round 5JIANGSU162♦♥2=+2
+1.1Round 4SHANGHAI THINK CLUB44♥♠8-3-8
+1.0Round 4SHANGHAI THINK CLUB52♥♣7-1-1
+1.0Round 10O'ROURKE42♠♦6-1+5
+1.0Round 12LIAONING29Pass+3
+0.9Round 10O'ROURKE11N♠3-1+4
+0.8Round 5JIANGSU121♠♦K=+1
+0.8Round 13XINYUANKONGGU34♠♣10+1+0
+0.7Round 9YANAGISAWA231N♠Q=+1
+0.7Round 15CHINA LIGHT INDUSTRY243Nx♥2-1+5
+0.6Round 3SHANGHAI YOUTH 5211N♣J+2+0
+0.6Round 5JIANGSU204♠♣A=-1
+0.6Round 9YANAGISAWA283N♥K+1-5
+0.5Round 4SHANGHAI THINK CLUB63♠♣10+1+10
+0.5Round 9YANAGISAWA292♠♥K-1+0
+0.5Round 10O'ROURKE64♠♣K=+0
+0.3Round 4SHANGHAI THINK CLUB71N♦Q=+2
+0.3Round 7CHINA LIUPANSHUI102♥♦K=+1
+0.3Round 10O'ROURKE54♠♦9+2+11
+0.3Round 10O'ROURKE101N♣K+1+0
+0.2Round 6BEIJING-HONGKONG274♥♦K-1+5
+0.2Round 7CHINA LIUPANSHUI44♥♠9=+1
+0.1Round 7CHINA LIUPANSHUI64♥♣J=+1
-0.0Round 6BEIJING-HONGKONG283N♠2+2+0
+0.0Round 7CHINA LIUPANSHUI31N♣K-2+9
-0.0Round 12LIAONING214♦♥A=-1
-0.0Round 13XINYUANKONGGU95♠♥2=+0
-0.1Round 7CHINA LIUPANSHUI14♥♣2=-1
-0.1Round 7CHINA LIUPANSHUI94♥♦A+1-11
-0.1Round 11ROSSARSKI203N♠5+3-13
-0.2Round 15CHINA LIGHT INDUSTRY224♠♠2+1-5
-0.3Round 3SHANGHAI YOUTH 5223N♥2=-5
-0.3Round 10O'ROURKE32♠♥6+1+0
-0.4Round 14ZHEJIANG ZHENGYUAN191N♠J=+5
-0.5Round 12LIAONING235♦♠6-1-6
-0.6Round 1CHINA KINGDOM24♠x♥6-2+0
-0.6Round 14ZHEJIANG ZHENGYUAN134♠♣K+2+6
-0.7Round 5JIANGSU143N♠7-1-2
-0.8Round 1CHINA KINGDOM83♦♦6+1-1
-0.8Round 4SHANGHAI THINK CLUB10Pass-3
-0.8Round 12LIAONING253N♠10+2-6
-0.9Round 4SHANGHAI THINK CLUB23N♣2+2-1
-0.9Round 9YANAGISAWA244♠♦2=+5
-1.0Round 6BEIJING-HONGKONG293♣♥J-1-1
-1.0Round 15CHINA LIGHT INDUSTRY294♠♣A=+0
-1.2Round 1CHINA KINGDOM103N♠Q=+3
-1.2Round 5JIANGSU113♥♣9-2-5
-1.2Round 6BEIJING-HONGKONG233♥♣5+1-1
-1.2Round 9YANAGISAWA252♠x♠K-1+1
-1.2Round 11ROSSARSKI194♠♥K+1-1
-1.2Round 13XINYUANKONGGU14♠♠2=+0
-1.3Round 3SHANGHAI YOUTH 5293N♥K+1+1
-1.3Round 9YANAGISAWA261♣♠J+1+2
-1.3Round 11ROSSARSKI173N♠J-1-4
-1.3Round 13XINYUANKONGGU74♥♣A+1+0
-1.4Round 1CHINA KINGDOM94N♥10+1+0
-1.5Round 4SHANGHAI THINK CLUB33N♥9+1+1
-1.8Round 6BEIJING-HONGKONG242♥♦5-2+1
-1.8Round 7CHINA LIUPANSHUI21N♠10+1+0
-2.0Round 11ROSSARSKI183♠♥4-1+0
-2.1Round 6BEIJING-HONGKONG303N♥2-2-6
-2.1Round 14ZHEJIANG ZHENGYUAN183♥♣A+1-6
-2.3Round 3SHANGHAI YOUTH 5234♠♦J+1+0
-2.3Round 5JIANGSU171N♠2=+1
-2.3Round 14ZHEJIANG ZHENGYUAN171N♥4+3-2
-2.4Round 5JIANGSU183♠♣A=+0
-2.4Round 14ZHEJIANG ZHENGYUAN153♦♠3=+0
-2.4Round 14ZHEJIANG ZHENGYUAN164♠♦J=+0
-2.6Round 15CHINA LIGHT INDUSTRY262♠♣10+2-1
-2.8Round 11ROSSARSKI122♥♦A-2-11
-3.0Round 9YANAGISAWA304♠♣K-1-5
-3.4Round 11ROSSARSKI113N♠J+1+0
-3.5Round 10O'ROURKE25♦♥K=+0
-3.5Round 11ROSSARSKI143N♠4+2+14
-3.7Round 1CHINA KINGDOM35♦♠A=+2
-3.7Round 14ZHEJIANG ZHENGYUAN204♠♦6+1-1
-3.8Round 11ROSSARSKI132♥♠5-1-5
-3.9Round 10O'ROURKE83Nx♦10-1+0
-4.4Round 15CHINA LIGHT INDUSTRY256♠♥3-1-16
-4.6Round 9YANAGISAWA212♠♣A+2-6
-4.7Round 1CHINA KINGDOM44♠♠2-3-4
-4.8Round 15CHINA LIGHT INDUSTRY304♥♠10=+2
-5.1Round 11ROSSARSKI165♠♥2+1-1
-6.4Round 5JIANGSU156♦♣2=+2
-7.7Round 14ZHEJIANG ZHENGYUAN146♠♥9=+10
-8.7Round 7CHINA LIUPANSHUI85♦x♣2=-6
-10.4Round 13XINYUANKONGGU56♦♣K-1-16
-11.0Round 15CHINA LIGHT INDUSTRY283♣x♠4-3-12
-11.2Round 3SHANGHAI YOUTH 5274♠x♠3=-12
-11.2Round 6BEIJING-HONGKONG266♠♥Q-2-12