ZHANG Weitong · YUNNAN DIKUANG

385rank
-1.5Butler · 130 bds
-0.01per board
±3.9swing
-0.28vs par /bd · #439/672
+0.09adjusted /bd
Butler per round: 25.5 3.9 -1.4 0.5 -14.4 -7.1 6.3 -4.5 9.8 4.6 -4.4 -3.9 -16.4by round

vs par split: bidding -0.63 · play +0.44

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +0.09/bd

Card play — on target: opening leads 91.7% #75 of 671 · declarer play 72.7% #454 of 671 · defence 81.8% #469 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·91.7% (24)
Declarer play·72.7% (22)
Defence·81.8% (55)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 100.0% (7) · ♦ 100.0% (5) · ♣ 83.3% (6)

vs par by strain: a suit -0.19 (97)

vs par by level: part-score -0.10 (48) · game -0.05 (42) · slam -1.57 (7)

By role: declaring +0.95/bd (-1.37 vs par · 60) · defending -0.84/bd (+0.66 vs par · 70)

By vulnerability: vulnerable +0.19/bd (+0.09 vs par · 68) · not vulnerable -0.24/bd (-0.68 vs par · 62)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3Y.GongZ.Chen – Z.ChenOpen10+25.5+2.55+1.10
Round 4X.LiJ.Cai – M.WangOpen10+3.9+0.39+0.40
Round 5X.LiD.Ackerley – S.SmithOpen10-1.4-0.14+0.50
Round 6X.LiJ.Stepinski – M.BorewiczOpen10+0.5+0.05+1.20
Round 7X.LiJ.Dai – F.GaoOpen10-14.4-1.44-2.30
Round 8Y.GongR.Kutner – N.BuchlevOpen10-7.1-0.71-0.30
Round 9X.LiD.Holt – E.SchulteOpen10+6.3+0.63+1.20
Round 10X.LiP.Hackett – J.HackettOpen10-4.5-0.45-1.40
Round 11X.LiD.Yen – N.ShenOpen10+9.8+0.98+0.60
Round 12X.LiY.Qi – Q.YangOpen10+4.6+0.46-0.30
Round 13Y.GongB.He – L.ZouOpen10-4.4-0.44-3.30
Round 14X.LiS.Chokshi – R.DalalOpen10-3.9-0.39+2.40
Round 15X.LiL.Haitao – Z.ShiOpen10-16.4-1.64-3.40

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
+11.1Round 13ANHUI56♦♠9=+0
+9.7Round 3XIAMEN213N♣9=+10
+9.6Round 9SEAMON-MOLSON255♦x♠A-2+12
+8.2Round 13ANHUI44♠♦7-1+13
+7.8Round 14NADAR184♥♥A=+5
+6.9Round 8MUNICH202♥x♠Q-3+5
+6.8Round 11RIGHT CALL166N♠9-1+13
+6.7Round 12YANG JING223N♥K+1+7
+6.6Round 10MAHAFFEY25♦x♥K=+4
+6.6Round 12YANG JING284♠♦K=+5
+6.3Round 3XIAMEN284♥♦7=+5
+6.2Round 3XIAMEN243N♣9=+6
+5.3Round 6AUTO-HIT WARSZAWA216♥♣A-1+11
+5.2Round 9SEAMON-MOLSON232♦♠A=+5
+5.2Round 10MAHAFFEY94♥♠2=+8
+4.7Round 9SEAMON-MOLSON291N♠2=+5
+4.5Round 3XIAMEN263♠♦Q+1+4
+4.3Round 9SEAMON-MOLSON214♠♣8=+5
+4.2Round 5GRANT192♠♥3+1+6
+4.0Round 5GRANT122♦♥J-1+5
+3.8Round 14NADAR153♠♦A=+6
+3.6Round 11RIGHT CALL144♦♣5+1+15
+3.5Round 15XINYUANKONGGU255♠♥5=-14
+3.3Round 3XIAMEN303N♥7=-6
+3.1Round 12YANG JING274♥♦Q+1-5
+2.9Round 4CHINA KINGDOM52♥♦A=+5
+2.9Round 9SEAMON-MOLSON303♠♠J+2+2
+2.9Round 11RIGHT CALL154♠♣A-1-2
+2.5Round 9SEAMON-MOLSON223♠♦6+1+6
+2.4Round 4CHINA KINGDOM91N♠4=+5
+2.4Round 11RIGHT CALL172♠♣Q=+0
+2.3Round 5GRANT184♠♣3-1+5
+2.1Round 4CHINA KINGDOM41♠♥J+3+10
+1.9Round 8MUNICH123N♦3-1+5
+1.8Round 6AUTO-HIT WARSZAWA293♣♣4-2+2
+1.7Round 3XIAMEN223N♥5+2-4
+1.6Round 11RIGHT CALL184♣♠3-1+4
+1.6Round 14NADAR123♠♠5-1-2
+1.5Round 4CHINA KINGDOM33N♥9+1-1
+1.4Round 5GRANT173♥♣Q-1+4
+1.3Round 12YANG JING304♥♦A-1+5
+1.2Round 10MAHAFFEY32♠♥3+2+1
+1.2Round 11RIGHT CALL132♥♠5=+1
+1.1Round 6AUTO-HIT WARSZAWA264♠♥Q=+5
+1.1Round 8MUNICH163♠♥A=+0
+1.0Round 3XIAMEN252♠♦5-1+1
+1.0Round 6AUTO-HIT WARSZAWA283N♦2+1+1
+1.0Round 7SHANGHAILVCHENG22♦♥J-1-1
+0.9Round 7SHANGHAILVCHENG64♥♥6+1+0
+0.8Round 4CHINA KINGDOM10Pass+3
+0.8Round 13ANHUI33N♥7+2+0
+0.7Round 7SHANGHAILVCHENG103♥♣Q=+0
+0.7Round 15XINYUANKONGGU242N♠5-2+5
+0.6Round 5GRANT204♠♣K=-1
+0.5Round 5GRANT113♥♣9-1-4
+0.5Round 14NADAR191N♠4+1+6
+0.2Round 6AUTO-HIT WARSZAWA274♥♦K-1+5
+0.2Round 10MAHAFFEY71N♦5=+9
+0.1Round 13ANHUI103♦♥K+1+0
-0.0Round 13ANHUI94♠♠2+1+0
-0.1Round 11RIGHT CALL203N♠5+3-13
-0.2Round 7SHANGHAILVCHENG44♥♠3=-1
-0.2Round 15XINYUANKONGGU224♠♥9+1-5
-0.3Round 4CHINA KINGDOM71N♥2=-2
-0.3Round 10MAHAFFEY54♠♥4+2-11
-0.4Round 6AUTO-HIT WARSZAWA233♥♠6=+0
-0.5Round 5GRANT162♠♦5+1+0
-0.5Round 12YANG JING233N♠Q-1-6
-0.6Round 14NADAR134♠♣K+2+6
-0.8Round 4CHINA KINGDOM15♦♥6-1-4
-0.8Round 7SHANGHAILVCHENG56♦♠7-1-3
-0.8Round 7SHANGHAILVCHENG94♥♣3+2+11
-0.8Round 12YANG JING253N♥5+2-6
-0.9Round 8MUNICH134♠♦2+2-7
-0.9Round 9SEAMON-MOLSON244♥♦4=+5
-1.0Round 6AUTO-HIT WARSZAWA222♠♦K+1-6
-1.0Round 7SHANGHAILVCHENG14♠♠2+1+0
-1.0Round 15XINYUANKONGGU294♠♣A=+0
-1.1Round 4CHINA KINGDOM23N♣9=-1
-1.2Round 11RIGHT CALL194♠♣J+1-1
-1.2Round 13ANHUI14♠♥Q=+0
-1.2Round 15XINYUANKONGGU231N♥2-1-5
-1.4Round 4CHINA KINGDOM82♠♦Q+1+0
-1.4Round 10MAHAFFEY64♠♣A+1-1
-1.4Round 14NADAR171N♠4+2-1
-1.5Round 8MUNICH173N♥4+1+5
-1.5Round 8MUNICH182♠♠J=+0
-1.6Round 12YANG JING212♥♦6+3-3
-1.6Round 12YANG JING292♥♠A=+0
-1.9Round 7SHANGHAILVCHENG74♠♥3-1-6
-1.9Round 15XINYUANKONGGU262♠♦J+1+0
-2.0Round 10MAHAFFEY12♦♥J=-5
-2.1Round 6AUTO-HIT WARSZAWA243♦♠7=+0
-2.1Round 6AUTO-HIT WARSZAWA302N♥2-2-6
-2.1Round 8MUNICH142♥♣2+1-1
-2.2Round 3XIAMEN293N♠4+2+0
-2.2Round 4CHINA KINGDOM64♣♠Q-2-11
-2.3Round 3XIAMEN234♠♥9+1+0
-2.4Round 14NADAR164♠♣6=+0
-2.5Round 10MAHAFFEY102♦♠J-2-2
-2.7Round 3XIAMEN273N♠4-1-5
-2.7Round 5GRANT133♣♥J+1-7
-2.7Round 8MUNICH192♠♥Q-2+0
-2.7Round 14NADAR113♥♦4=-6
-2.7Round 15XINYUANKONGGU274♥♠2-1-5
-2.8Round 14NADAR204♠♠6=+0
-2.9Round 15XINYUANKONGGU282♣♠4-3-5
-3.2Round 12YANG JING263♥♥2=+0
-3.3Round 6AUTO-HIT WARSZAWA252♥♦6+1+0
-3.3Round 9SEAMON-MOLSON272♦♦6-2-6
-3.4Round 11RIGHT CALL113N♠10+1+0
-3.7Round 8MUNICH152♠♠J-1-6
-3.7Round 10MAHAFFEY41N♣6-2-7
-4.0Round 11RIGHT CALL122♥♥2-1-11
-4.3Round 5GRANT145♦x♣6-1-5
-4.5Round 13ANHUI66♣♥3-1-14
-4.6Round 8MUNICH113N♥2+1-4
-4.8Round 15XINYUANKONGGU304♥♦10=+2
-5.0Round 7SHANGHAILVCHENG31N♣A=-11
-5.1Round 13ANHUI75♣x♥A-3-4
-5.4Round 12YANG JING242♠♦5+1+0
-5.9Round 15XINYUANKONGGU214♠♥2=-7
-6.1Round 13ANHUI23♥♠8=-11
-6.9Round 5GRANT156♦♥8+1+2
-7.3Round 7SHANGHAILVCHENG84♠♣J=-12
-7.7Round 13ANHUI87♠♦Q-2-17
-7.7Round 14NADAR146♠♥9=+10
-7.8Round 10MAHAFFEY83N♦4=-10
-8.3Round 9SEAMON-MOLSON284♥♠J-3-12
-10.4Round 9SEAMON-MOLSON263N♣5=-10