ZHI Aiping · YUNNAN DIKUANG

228rank
+30.5Butler · 130 bds
+0.23per board
±4.0swing
+0.60vs par /bd · #119/672
+0.30adjusted /bd
Butler per round: 17.2 9.8 0.5 1.5 13.7 -14.6 3 -8.9 -15.5 -3.2 12.5 2.4 12.1by round

vs par split: bidding +0.35 · play +0.39

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.30/bd

Card play — on target: opening leads 82.1% #326 of 671 · declarer play 95.8% #18 of 671 · defence 82.4% #446 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·82.1% (28)
Declarer play·95.8% (24)
Defence·82.4% (51)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 80.0% (5) · ♦ 77.8% (9) · ♣ 90.0% (10)

vs par by strain: a suit +0.74 (96)

vs par by level: part-score -0.16 (45) · game +0.46 (44) · slam +8.29 (7)

By role: declaring +0.15/bd (-1.84 vs par · 61) · defending +0.31/bd (+2.75 vs par · 69)

By vulnerability: vulnerable +0.21/bd (-0.16 vs par · 75) · not vulnerable +0.27/bd (+1.64 vs par · 55)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3D.HuJ.Lin – H.ChenClosed10+17.2+1.72+3.80
Round 4D.HuY.Zhang – S.LiuClosed10+9.8+0.98+1.10
Round 5D.HuA.Grant – A.KerClosed10+0.5+0.05-0.90
Round 6D.HuT.Przybora – K.StrykierClosed10+1.5+0.15-0.70
Round 7D.HuW.Wang – S.WuClosed10+13.7+1.37+2.20
Round 8D.HuJ.Harsanyi – M.YuenClosed10-14.6-1.46-1.50
Round 9D.HuJ.Seamon-Molson – T.SokolowClosed10+3.0+0.30+0.00
Round 10D.HuP.Fredin – B.FalleniusClosed10-8.9-0.89+0.00
Round 11D.HuY.Cheng – C.ChenClosed10-15.5-1.55-0.70
Round 12D.HuJ.Liu – Q.ChengClosed10-3.2-0.32+0.00
Round 13D.HuX.Zhang – Z.HuClosed10+12.5+1.25+4.30
Round 14D.HuB.Satyanarayana – K.NadarClosed10+2.4+0.24-2.00
Round 15Y.GongR.Lin – T.JiangClosed10+12.1+1.21+2.20

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
+12.4Round 3XIAMEN296♦♠4=+12
+11.2Round 6AUTO-HIT WARSZAWA266♠♦Q-2+12
+9.8Round 7SHANGHAILVCHENG84♠x♣J=+13
+9.7Round 7SHANGHAILVCHENG64♣♦A-3+11
+9.2Round 13ANHUI24♥♠6-1+13
+7.6Round 9SEAMON-MOLSON254♠x♣K-3+8
+7.4Round 12YANG JING275♥♠A-1+12
+7.2Round 4CHINA KINGDOM45♦♣Q=-1
+6.8Round 13ANHUI86♠♦J-1+17
+6.4Round 5GRANT156♦♣5=-2
+6.3Round 12YANG JING214♥♣2=+8
+6.2Round 10MAHAFFEY23N♥K-1+10
+5.6Round 3XIAMEN244♥♠8-2+6
+4.9Round 4CHINA KINGDOM92♥♦J-2+3
+4.8Round 15XINYUANKONGGU303N♠3+1-2
+4.6Round 15XINYUANKONGGU242N♣2=+1
+4.5Round 13ANHUI66♣♥6-1+14
+4.4Round 15XINYUANKONGGU256♠♥3-1+16
+4.3Round 5GRANT162♣x♦K-2+4
+4.2Round 3XIAMEN264♠♦Q=+8
+3.9Round 8MUNICH113N♦6=+3
+3.8Round 11RIGHT CALL132♥♠2-1+5
+3.7Round 14NADAR204♠♦6+1+1
+3.3Round 6AUTO-HIT WARSZAWA252♥♠2+1+0
+3.3Round 12YANG JING243N♣8-1-3
+2.7Round 3XIAMEN273N♥8-1+5
+2.7Round 9SEAMON-MOLSON262N♦7+1+0
+2.5Round 8MUNICH182♠♠J+1+1
+2.4Round 5GRANT183♠♣A=+0
+2.4Round 14NADAR164♠♣6=+0
+2.3Round 3XIAMEN234♠♦J+1+0
+2.2Round 14NADAR124♥♥5-1+5
+2.1Round 6AUTO-HIT WARSZAWA303N♥2-2+6
+2.1Round 14NADAR183♥♣A+1+6
+1.9Round 7SHANGHAILVCHENG74♠♥3-1+6
+1.9Round 9SEAMON-MOLSON273♥♦9-1+5
+1.9Round 9SEAMON-MOLSON294♠♣6-2+3
+1.9Round 15XINYUANKONGGU262♠♣10+1+0
+1.6Round 11RIGHT CALL122♠♣7+1+10
+1.6Round 14NADAR113♠♣Q-2+5
+1.5Round 10MAHAFFEY71N♦8+2-8
+1.5Round 14NADAR134♠♥A+1-5
+1.4Round 4CHINA KINGDOM83♠♦Q=+0
+1.4Round 10MAHAFFEY64♠♣A+1+1
+1.3Round 10MAHAFFEY82♠♣J=+5
+1.3Round 11RIGHT CALL172♠♣Q-1+4
+1.2Round 4CHINA KINGDOM63♠♣10=+11
+1.2Round 5GRANT113♣♠6-2+5
+1.2Round 13ANHUI14♠♣4=+0
+1.2Round 15XINYUANKONGGU232♠♦2-1+5
+1.0Round 15XINYUANKONGGU294♠♣A=+0
+0.9Round 6AUTO-HIT WARSZAWA292♦♣3+1+0
+0.9Round 8MUNICH134♠♣4+2+7
+0.9Round 9SEAMON-MOLSON244♥♥10=-5
+0.8Round 4CHINA KINGDOM15♦♥5-1+4
+0.8Round 7SHANGHAILVCHENG94♥♦2+2-11
+0.8Round 12YANG JING253N♥5+2+6
+0.5Round 12YANG JING235♦♠6-1+6
+0.5Round 15XINYUANKONGGU282♦♣6-2+2
+0.4Round 13ANHUI74♥♠9=-1
+0.4Round 14NADAR191N♠7=-5
+0.3Round 3XIAMEN211N♣9+1+1
+0.3Round 10MAHAFFEY54♠♦6+2+11
+0.2Round 7SHANGHAILVCHENG43N♠2+1+1
+0.2Round 11RIGHT CALL194♠♥8=+0
+0.2Round 13ANHUI34♠♣10=+1
+0.2Round 15XINYUANKONGGU224♠♠2+1+5
+0.1Round 4CHINA KINGDOM23N♣5+1+0
+0.1Round 11RIGHT CALL203N♠4+3+13
+0.0Round 3XIAMEN251N♠9=+0
+0.0Round 6AUTO-HIT WARSZAWA283N♥3+2+0
+0.0Round 13ANHUI94♠♠3+1+0
-0.1Round 7SHANGHAILVCHENG14♥♣2=-1
-0.1Round 13ANHUI102N♥J=+0
-0.2Round 6AUTO-HIT WARSZAWA274♥♦Q-1-5
-0.3Round 5GRANT122♦♦10-1-1
-0.5Round 9SEAMON-MOLSON304♥♦10-2+1
-0.6Round 4CHINA KINGDOM71N♦Q+1+1
-0.6Round 5GRANT204♠♣A=+1
-0.7Round 3XIAMEN223N♥5+1+5
-0.7Round 7SHANGHAILVCHENG102♥♠J+1+0
-0.7Round 9SEAMON-MOLSON231N♥4=-1
-0.8Round 4CHINA KINGDOM10Pass-3
-0.9Round 5GRANT144♣♠Q-2+0
-1.0Round 7SHANGHAILVCHENG21N♠10=+1
-1.1Round 7SHANGHAILVCHENG32♥♦7+1+8
-1.1Round 8MUNICH163♠♥A=+0
-1.3Round 9SEAMON-MOLSON285N♠A=+4
-1.3Round 12YANG JING304♥♦A-1-5
-1.5Round 4CHINA KINGDOM33N♥9+1+1
-1.5Round 6AUTO-HIT WARSZAWA231♣♦5=-2
-1.5Round 13ANHUI53N♠4+3+12
-1.6Round 9SEAMON-MOLSON222♠♦6+3-6
-1.9Round 8MUNICH123N♥Q-1-5
-1.9Round 8MUNICH153♥♦Q=+0
-2.1Round 15XINYUANKONGGU272♥♣2+1+0
-2.2Round 14NADAR145♠♦5+1-14
-2.4Round 8MUNICH192♦♥K+1-5
-2.5Round 12YANG JING263♣♦3=-6
-2.6Round 8MUNICH204♠♥K=+0
-2.9Round 4CHINA KINGDOM52♥♣6=-5
-2.9Round 5GRANT171♠♣3+1-6
-2.9Round 11RIGHT CALL154♠♥A-1+2
-3.0Round 10MAHAFFEY12♦x♦8-1-1
-3.0Round 14NADAR152♠♦A=-6
-3.1Round 8MUNICH142♥♣8-1-4
-3.1Round 10MAHAFFEY31N♣Q-5-3
-3.3Round 3XIAMEN303N♦K=+6
-3.3Round 6AUTO-HIT WARSZAWA242N♠K-2-6
-3.4Round 5GRANT192♠♣A=-5
-3.5Round 12YANG JING292♠♦K=-5
-3.8Round 10MAHAFFEY41♠♥A+1-1
-4.0Round 11RIGHT CALL113♦♦4+1-7
-4.2Round 11RIGHT CALL183♥♠Q-3-6
-4.4Round 15XINYUANKONGGU214♠♣5-1-5
-4.5Round 10MAHAFFEY103♠♣5-1-6
-4.6Round 11RIGHT CALL141♣♠4+2-15
-5.2Round 10MAHAFFEY94♥♠5=-8
-5.3Round 6AUTO-HIT WARSZAWA216♥♣A-1-11
-5.7Round 5GRANT133N♥K+1-5
-5.7Round 6AUTO-HIT WARSZAWA223♦♦2+1-1
-5.8Round 7SHANGHAILVCHENG54♠♦Q+1-6
-6.3Round 3XIAMEN284♥♦7=-5
-6.3Round 14NADAR173N♦5-3-7
-6.6Round 12YANG JING284♠♦K=-5
-6.8Round 11RIGHT CALL166N♦9-1-13
-7.6Round 12YANG JING223N♥4+2-8
-7.9Round 9SEAMON-MOLSON213♣x♠A-4-9
-8.2Round 13ANHUI44♠♥3-1-13
-8.9Round 8MUNICH175♦♠7-1-12