ZHANG Gang · SANMING EDUCATION

349rank
-6.6Butler · 150 bds
-0.04per board
±4.0swing
+0.23vs par /bd · #215/567
+0.17adjusted /bd
Butler per round: -4.4 -37.1 15.2 2.3 -24 5 28.8 -1.1 0.5 5.6 3.7 2.7 -4.8 -14 15by round

vs par split: bidding +0.18 · play +0.07

Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted +0.17/bd

Card play — on target: opening leads 84.4% #152 of 567 · declarer play 79.5% #220 of 567 · defence 88.0% #97 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads91.7% (12)81.8% (33)
Declarer play68.8% (16)85.7% (28)
Defence81.0% (21)90.7% (54)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 85.7% (14) · ♦ 80.0% (15) · ♣ 100.0% (9)

vs par by strain: NT -0.02 (45) · a suit +0.38 (104)

vs par by level: part-score +0.52 (69) · game -0.27 (75) · slam +4.40 (5)

By role: declaring -0.29/bd (-1.89 vs par · 74) · defending +0.20/bd (+2.30 vs par · 76)

By vulnerability: vulnerable +0.20/bd (+0.49 vs par · 75) · not vulnerable -0.29/bd (-0.03 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.WeiJ.Bian – N.LiuOpen10-4.4-0.44-0.40
Round 2J.WeiC.Lorenzini – T.BessisOpen10-37.1-3.71-2.80
Round 3J.WeiI.Baroni – A.TartarinClosed10+15.2+1.52+0.60
Round 4J.WeiC.Bernstein – S.WheelerOpen10+2.3+0.23+0.20
Round 5J.WeiI.Liran – E.FriedlanderClosed10-24.0-2.40-1.90
Round 6J.WeiC.Zhu – K.JinOpen10+5.0+0.50-1.20
Round 7J.WeiZ.Yao – J.ZhangOpen10+28.8+2.88+0.30
Round 8J.WeiW.Chen – Z.KangClosed10-1.1-0.11+0.30
Round 9J.WeiM.Kirr – J.CarruthersOpen10+0.5+0.05+3.40
Round 10J.WeiA.Gandoglia – M.ChavarriaClosed10+5.6+0.56+2.50
Round 11J.WeiC.Willenken – H.BertensOpen10+3.7+0.37+0.90
Round 12J.WeiS.Kang – S.LeeOpen10+2.7+0.27+0.90
Round 13J.WeiG.Shen – Z.LiClosed10-4.8-0.48+0.90
Round 14J.WeiL.Yang – Y.HuangOpen10-14.0-1.40+0.20
Round 15J.WeiJ.You – F.GaoOpen10+15.0+1.50-0.40

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
+14.5Round 15WUHAN DONGFANG265♣x♣4-5+13
+10.6Round 13DONGFENG FENGSHEN23♣x♦2-2+14
+8.2Round 15WUHAN DONGFANG286NT♥J=+0
+8.1Round 1CHINA XHJT13NT♥Q-3+11
+7.7Round 6CHINA JUNIORS243NT♣5=+7
+7.7Round 8WUHAN XINGYUTU MEDIA183♦♣5+1+11
+7.6Round 7UICC WUHAN53NT♦5+1+7
+6.7Round 11USA 2 Mixed164♣♠7-4+8
+6.0Round 14ZHEJIANGQIANTANG181NT♠10+4+7
+5.9Round 15WUHAN DONGFANG223NT♠4=+0
+5.2Round 3PSG294♠♥2=+10
+4.9Round 13DONGFENG FENGSHEN103♦x♦2-1+2
+4.8Round 4LEWIS91♦♠K+1+0
+4.8Round 7UICC WUHAN45♠x♦K-1+7
+4.7Round 10ITALY Mixed35♣♥A-1+10
+4.6Round 7UICC WUHAN104♥♣3-2+2
+4.6Round 10ITALY Mixed43♠♥5=+7
+4.5Round 7UICC WUHAN64♥♠A-2+5
+4.5Round 12SEOUL OPEN302♣♦A-4+2
+4.4Round 5YBT133NT♦9=-1
+4.2Round 7UICC WUHAN93NT♠2=-13
+4.1Round 9CANADA Seniors233NT♥9+1+14
+4.1Round 12SEOUL OPEN274♠♥J=+0
+4.0Round 2SHEN174♠♥A-1+10
+4.0Round 11USA 2 Mixed193NT♦9=+0
+3.8Round 11USA 2 Mixed131NT♣J+2+0
+3.6Round 4LEWIS25♥♣K=+6
+3.6Round 8WUHAN XINGYUTU MEDIA203NT♥2-2+7
+3.3Round 9CANADA Seniors304♥♦4-2+11
+3.2Round 4LEWIS82♠♥6+1+1
+3.2Round 9CANADA Seniors225♦♥2-1+5
+3.1Round 3PSG273♥♠2+1+4
+2.8Round 3PSG231NT♦3=-1
+2.8Round 3PSG284♥♦A+1+0
+2.7Round 3PSG214♥♠K=-1
+2.7Round 7UICC WUHAN22♠♣A=+5
+2.4Round 8WUHAN XINGYUTU MEDIA163♥♣A-1-2
+2.3Round 1CHINA XHJT62♥♦4-1+10
+2.3Round 7UICC WUHAN71NTx♦Q-1+3
+2.3Round 10ITALY Mixed102♠♦4+1+1
+2.1Round 3PSG253♥♦A=+6
+2.0Round 6CHINA JUNIORS275♠♥A-1+8
+1.7Round 5YBT183NT♥Q-1+6
+1.7Round 9CANADA Seniors255♥♦6+1+11
+1.7Round 10ITALY Mixed11NT♦10=+5
+1.6Round 6CHINA JUNIORS232♠♣7+1+0
+1.5Round 1CHINA XHJT23♦♠9+1+0
+1.5Round 10ITALY Mixed52♠♦3-1+5
+1.5Round 12SEOUL OPEN262♥♦2+2+1
+1.5Round 14ZHEJIANGQIANTANG164♠♥K-1+5
+1.4Round 10ITALY Mixed9Pass-3
+1.4Round 11USA 2 Mixed123NT♠10+1+0
+1.3Round 11USA 2 Mixed144♣♣A=+0
+1.3Round 12SEOUL OPEN284♥♠7+2-11
+1.2Round 11USA 2 Mixed173♥♠2-1+8
+1.0Round 12SEOUL OPEN292♠♣8=+1
+0.8Round 14ZHEJIANGQIANTANG174♠♥J=-1
+0.7Round 4LEWIS72♠♠2+1+0
+0.7Round 15WUHAN DONGFANG274♣♠K=+1
+0.6Round 2SHEN131NT♦Q=-1
+0.6Round 4LEWIS35♥♠K+1+11
+0.6Round 6CHINA JUNIORS292♦x♠K-4-8
+0.6Round 14ZHEJIANGQIANTANG124♠♠2=+0
+0.5Round 9CANADA Seniors263NT♥9+1+12
+0.3Round 3PSG304♥♦2+1+0
+0.3Round 4LEWIS14♥♠K+1+0
+0.3Round 12SEOUL OPEN232♥♥5+1+0
+0.2Round 7UICC WUHAN13♥♥5-1-2
+0.2Round 13DONGFENG FENGSHEN73NT♦2=-2
+0.1Round 3PSG223NT♦6-1+5
+0.1Round 13DONGFENG FENGSHEN93NT♦2+1-1
-0.0Round 6CHINA JUNIORS263♦♥2=+0
+0.0Round 8WUHAN XINGYUTU MEDIA114♠♥A+1+0
-0.0Round 8WUHAN XINGYUTU MEDIA143NT♦3+2+0
+0.0Round 10ITALY Mixed86NT♣6=+11
-0.2Round 15WUHAN DONGFANG243NT♠5+2+0
-0.3Round 8WUHAN XINGYUTU MEDIA133♦♠J+1+0
-0.4Round 1CHINA XHJT72♥♦4-1-1
-0.5Round 4LEWIS54♠♣K=+0
-0.5Round 8WUHAN XINGYUTU MEDIA153NT♣A+1+0
-0.5Round 15WUHAN DONGFANG253NT♣2+1+0
-0.6Round 2SHEN143♦♥2=-5
-0.6Round 4LEWIS102♣♠K=+0
-0.6Round 5YBT163♣♠Q+1+7
-0.6Round 6CHINA JUNIORS302♥♣K+1-6
-0.6Round 8WUHAN XINGYUTU MEDIA191NT♦6+2+6
-0.6Round 9CANADA Seniors291NT♠4-2+2
-0.7Round 1CHINA XHJT104♥♣A-1-1
-0.7Round 6CHINA JUNIORS282♠♦5=+1
-0.8Round 5YBT112♠♠3=-1
-0.8Round 6CHINA JUNIORS253NT♥8-1-5
-0.8Round 7UICC WUHAN32♦♣A+1+0
-0.9Round 6CHINA JUNIORS222♥♦Q+1+0
-1.0Round 12SEOUL OPEN211NT♣K-1+0
-1.0Round 13DONGFENG FENGSHEN53♥♦2+1+7
-1.1Round 3PSG264♥♠K+2-13
-1.2Round 9CANADA Seniors283♥♦4-1-4
-1.2Round 11USA 2 Mixed114♦♣5=+1
-1.2Round 13DONGFENG FENGSHEN63♥♦2+2+6
-1.3Round 1CHINA XHJT33♥♦K=+0
-1.3Round 7UICC WUHAN83NT♦5=-11
-1.7Round 12SEOUL OPEN243NT♥7-5+5
-1.8Round 15WUHAN DONGFANG232♥♥3+1-1
-1.9Round 8WUHAN XINGYUTU MEDIA175♦♥6-2-5
-2.0Round 4LEWIS62♥♠7-2-3
-2.1Round 9CANADA Seniors213♠♦A=-7
-2.2Round 1CHINA XHJT53♦♣4+2-7
-2.3Round 2SHEN181NT♥10=-5
-2.3Round 11USA 2 Mixed202♥♠3-2-3
-2.4Round 5YBT153♥♠A-1+2
-2.4Round 14ZHEJIANGQIANTANG133♠♥A=-1
-2.4Round 14ZHEJIANGQIANTANG203♥♦A-1+1
-2.7Round 10ITALY Mixed24♠♥A=-3
-2.7Round 14ZHEJIANGQIANTANG113NT♣4+1+0
-2.7Round 15WUHAN DONGFANG212♥♦5+1+0
-2.8Round 3PSG244♥x♦A-2-4
-2.8Round 15WUHAN DONGFANG303NT♦4-1-5
-2.9Round 5YBT142♣♦K-3-7
-3.0Round 14ZHEJIANGQIANTANG142NT♣10-1-4
-3.1Round 1CHINA XHJT84♠♥4-1-10
-3.1Round 10ITALY Mixed73NT♣5=+0
-3.4Round 12SEOUL OPEN256♥♥4+1+11
-3.5Round 9CANADA Seniors243♠♥10-2+0
-3.5Round 13DONGFENG FENGSHEN14♥♦2=+0
-3.6Round 13DONGFENG FENGSHEN41NT♦2-1-5
-3.8Round 2SHEN115♦♥K+1+0
-3.8Round 2SHEN163NT♥3=-7
-3.9Round 1CHINA XHJT94♥x♦A-1+0
-3.9Round 6CHINA JUNIORS213NTx♣8-2-9
-3.9Round 12SEOUL OPEN226♥♦J=+0
-4.5Round 13DONGFENG FENGSHEN86♦♦2=+0
-4.7Round 1CHINA XHJT44♥♦9-1-6
-4.8Round 10ITALY Mixed64♠♣10-2-8
-4.9Round 9CANADA Seniors274♠♥K-1-10
-5.1Round 5YBT202♥♠3-1-6
-5.1Round 11USA 2 Mixed154♠♦K=+1
-5.2Round 2SHEN193NT♣A-1-6
-5.6Round 14ZHEJIANGQIANTANG154♠♥3-1+2
-6.0Round 5YBT122♦x♦5-2-5
-6.1Round 5YBT174♠♦5=-7
-6.1Round 11USA 2 Mixed183♥♣J=-6
-6.2Round 5YBT194♠♣A=-7
-6.3Round 15WUHAN DONGFANG295♥♠9-1-12
-6.8Round 13DONGFENG FENGSHEN33NT♦2-1-12
-6.8Round 14ZHEJIANGQIANTANG193NT♥7-4-7
-7.4Round 2SHEN204♠♦A=-3
-7.8Round 4LEWIS44♥♠J-2-13
-8.4Round 2SHEN153♠♦A=-8
-10.2Round 2SHEN124♠♠4=-3
-11.5Round 8WUHAN XINGYUTU MEDIA123NT♦5-1-14