WANG Chang · PEKING UNIVERSITY

581rank
-43.9Butler · 120 bds
-0.37per board
±4.0swing
-0.45vs par /bd · #496/672
-0.27adjusted /bd
Butler per round: 4 2.7 9.4 -15 -16.7 15.4 -7.2 -5 -7.1 13.8 -7.1 -31.1by round

vs par split: bidding -0.36 · play -0.32

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.27/bd

Card play — on target: opening leads 82.4% #317 of 671 · declarer play 64.0% #595 of 671 · defence 77.3% #571 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·82.4% (17)
Declarer play·64.0% (25)
Defence·77.3% (44)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (6) · ♦ 100.0% (3) · ♣ 33.3% (3)

vs par by strain: a suit -0.68 (91)

vs par by level: part-score +0.17 (42) · game -1.17 (41) · slam -2.62 (8)

By role: declaring -0.48/bd (-2.80 vs par · 65) · defending -0.23/bd (+2.33 vs par · 55)

By vulnerability: vulnerable -0.70/bd (-1.51 vs par · 68) · not vulnerable +0.07/bd (+0.94 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.ZhuE.Sophonpanich – S.BaisamutClosed10+4.0+0.40-3.10
Round 4F.QinY.Lian – X.FuClosed10+2.7+0.27+0.40
Round 5F.QinS.Zhang – S.ZhangClosed10+9.4+0.94+0.40
Round 6F.QinZ.Lu – D.ShenOpen10-15.0-1.50-2.70
Round 7J.ZhuS.Dong – R.LiClosed10-16.7-1.67-0.80
Round 8J.ZhuC.Guo – K.JinClosed10+15.4+1.54+1.20
Round 9J.ZhuW.Wei – W.YangClosed10-7.2-0.72-1.30
Round 10J.ZhuY.Zhang – Y.ZhuOpen10-5.0-0.50+1.40
Round 11Y.LiuD.Liu – Y.WuOpen10-7.1-0.71-0.80
Round 12Y.LiuY.Wu – X.WuOpen10+13.8+1.38+0.60
Round 13J.ZhuY.Zhang – S.LiuClosed10-7.1-0.71+3.20
Round 14J.ZhuX.Sun – Y.LinClosed10-31.1-3.11-3.90

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
+11.6Round 2TSEP206♣♣4=-2
+8.0Round 8SHANGHAI SHENGTAOSHA123N♦4=+6
+7.4Round 9BEIJING MANGUANFENGYUN274♠x♠4-2+10
+7.4Round 10SHANGHAI YOUTH 194♥♠2-1+9
+7.3Round 12SHANGHAI OCEAN284♠♠6+1+5
+6.8Round 11HESEN FUND166♠♦9-1+13
+6.4Round 5TRIJET156♦♠K=-2
+5.1Round 7SHAN FENG103♥♦K-1+6
+5.0Round 9BEIJING MANGUANFENGYUN213♠♣8=+7
+4.7Round 4PUDONGPUFA CLUB84♠x♠8-1+6
+4.7Round 12SHANGHAI OCEAN264♠x♣A-1+8
+4.6Round 8SHANGHAI SHENGTAOSHA113N♦J+1+4
+4.6Round 13CHINA KINGDOM43N♥2+2+0
+4.5Round 13CHINA KINGDOM66N♠4-1+14
+4.3Round 5TRIJET161Nx♠5-2+4
+4.2Round 12SHANGHAI OCEAN215♦♠6-1+4
+4.0Round 2TSEP132♦x♠J-1+8
+3.5Round 4PUDONGPUFA CLUB14♣♥K+1+2
+3.5Round 12SHANGHAI OCEAN292♠♥Q=+5
+3.4Round 14PUDONG LUOGEBEIER164♠♦J+1+1
+3.2Round 5TRIJET143♦♦8-1+4
+3.1Round 12SHANGHAI OCEAN274♥♠A+1-5
+3.0Round 11HESEN FUND183♥♠Q-2+5
+2.8Round 14PUDONG LUOGEBEIER204♠♥A=+0
+2.7Round 5TRIJET133♣♥J+1+7
+2.7Round 11HESEN FUND111N♣5+3+6
+2.6Round 2TSEP162♣♠9-1+4
+2.6Round 5TRIJET193♥♠2=+1
+2.5Round 8SHANGHAI SHENGTAOSHA173N♥7+2-5
+2.5Round 8SHANGHAI SHENGTAOSHA182♠♦Q+1+1
+2.4Round 4PUDONGPUFA CLUB33N♥9+2+0
+2.4Round 8SHANGHAI SHENGTAOSHA191N♦6=+0
+2.1Round 4PUDONGPUFA CLUB42♠♣Q+2+10
+2.1Round 10SHANGHAI YOUTH 123♦♥K+2+6
+2.1Round 14PUDONG LUOGEBEIER182♥♥4+2+6
+1.4Round 10SHANGHAI YOUTH 164♠♣A+1+1
+1.3Round 12SHANGHAI OCEAN304♥♦A-1+5
+1.2Round 5TRIJET172♠♦10-1-2
+1.2Round 13CHINA KINGDOM14♠♥Q=+0
+1.1Round 8SHANGHAI SHENGTAOSHA142♥♣2=+0
+1.1Round 9BEIJING MANGUANFENGYUN232♠♣10+1+1
+1.0Round 6ZHEJIANG ZHENGYUAN292♣♥J-1+1
+0.9Round 2TSEP154♠♦4=-1
+0.9Round 8SHANGHAI SHENGTAOSHA134♠♦2+2+7
+0.9Round 9BEIJING MANGUANFENGYUN244♥♦2=-5
+0.8Round 2TSEP122♥♥2=-1
+0.8Round 7SHAN FENG94♥♦A+2-11
+0.4Round 4PUDONGPUFA CLUB63♠♣10+2-10
+0.4Round 6ZHEJIANG ZHENGYUAN303N♥2-1+5
+0.4Round 13CHINA KINGDOM74♥♠9=-1
+0.3Round 10SHANGHAI YOUTH 154♠♦9+2+11
+0.2Round 6ZHEJIANG ZHENGYUAN222♠♦K=+5
+0.2Round 7SHAN FENG44♥♠9=+1
+0.2Round 13CHINA KINGDOM33N♥2+1+1
+0.0Round 6ZHEJIANG ZHENGYUAN284N♣K+1+0
+0.0Round 13CHINA KINGDOM94♠♠4+1+0
-0.1Round 4PUDONGPUFA CLUB23N♦3+1+0
-0.1Round 7SHAN FENG14♥♠2=-1
-0.1Round 11HESEN FUND203N♦3+3-13
-0.2Round 6ZHEJIANG ZHENGYUAN274♥♠3-1-5
-0.2Round 10SHANGHAI YOUTH 183♥♣A-1+4
-0.4Round 10SHANGHAI YOUTH 131N♠6-3+0
-0.5Round 12SHANGHAI OCEAN235♦♠6-1-6
-0.6Round 5TRIJET204♠♣A=+1
-0.6Round 9BEIJING MANGUANFENGYUN283N♥J+1+5
-0.6Round 10SHANGHAI YOUTH 11Pass+2
-0.8Round 12SHANGHAI OCEAN253N♦A+2-6
-0.9Round 2TSEP194♦♣A=+0
-0.9Round 7SHAN FENG64♥♥6+1+0
-1.0Round 4PUDONGPUFA CLUB51N♠4-1+1
-1.1Round 6ZHEJIANG ZHENGYUAN264♠♦Q=-5
-1.1Round 8SHANGHAI SHENGTAOSHA162♠♥Q+1+0
-1.2Round 11HESEN FUND194♠♣J+1-1
-1.4Round 14PUDONG LUOGEBEIER172♦♠J-1-2
-1.5Round 7SHAN FENG31N♣A-3+8
-1.5Round 13CHINA KINGDOM53N♠5+3+12
-1.5Round 14PUDONG LUOGEBEIER191N♠J+2-6
-1.8Round 6ZHEJIANG ZHENGYUAN242N♠K-1-5
-1.9Round 4PUDONGPUFA CLUB102♠♣J-1+1
-2.0Round 11HESEN FUND145♦♥K=+14
-2.3Round 5TRIJET184♠♣A-1-5
-2.4Round 14PUDONG LUOGEBEIER112♣♥J-1+2
-2.5Round 4PUDONGPUFA CLUB91♠♣8+1+0
-2.5Round 11HESEN FUND123♣♦8=-11
-2.7Round 8SHANGHAI SHENGTAOSHA203N♦4+1+0
-2.8Round 2TSEP113N♥3-1-5
-2.8Round 6ZHEJIANG ZHENGYUAN253♦♥A=-6
-2.8Round 8SHANGHAI SHENGTAOSHA152♥♦Q+2-1
-2.8Round 11HESEN FUND174♠♣Q-2-5
-2.9Round 5TRIJET112♠♦A-1+2
-3.1Round 9BEIJING MANGUANFENGYUN264♠♦7-1-6
-3.3Round 2TSEP184♠♦7-2-5
-3.3Round 9BEIJING MANGUANFENGYUN222♠♦J+1-7
-3.3Round 13CHINA KINGDOM24♥♠6=+1
-3.6Round 7SHAN FENG24♠♦4-2-2
-3.7Round 10SHANGHAI YOUTH 141N♠7=+0
-3.8Round 7SHAN FENG73♠♣A=+0
-3.8Round 11HESEN FUND132♥♣4-1-5
-3.9Round 2TSEP145♦♣J+2-18
-4.0Round 12SHANGHAI OCEAN241♥♦A=+2
-4.0Round 14PUDONG LUOGEBEIER123♥♠3=-1
-4.5Round 9BEIJING MANGUANFENGYUN253N♠6-2-8
-4.8Round 13CHINA KINGDOM103N♥K-1-6
-4.9Round 4PUDONGPUFA CLUB73N♥2-1-6
-5.0Round 2TSEP175♠x♠3-2-11
-5.0Round 7SHAN FENG86♠x♦3-2+0
-5.0Round 9BEIJING MANGUANFENGYUN304♥x♦10-2-4
-5.0Round 10SHANGHAI YOUTH 173♦♠K=-12
-5.0Round 12SHANGHAI OCEAN225♣x♥K-1-6
-5.1Round 9BEIJING MANGUANFENGYUN292♠♥K=-6
-5.2Round 5TRIJET122♦♣J-2-6
-5.3Round 6ZHEJIANG ZHENGYUAN216♥♣A-1-11
-5.4Round 6ZHEJIANG ZHENGYUAN233♥♠7-1-6
-6.3Round 10SHANGHAI YOUTH 1102♦x♠J=-7
-7.2Round 11HESEN FUND154♠♠2=-11
-7.2Round 14PUDONG LUOGEBEIER155♦x♠9-2-9
-7.9Round 7SHAN FENG54♠x♦Q=-9
-8.4Round 13CHINA KINGDOM86♠♠3=+11
-10.5Round 14PUDONG LUOGEBEIER147♠♥9-1-16
-12.4Round 14PUDONG LUOGEBEIER136♠♣K=-14