CHEN Hua · CHINA LIUPANSHUI

303rank
+20.6Butler · 160 bds
+0.13per board
±4.2swing
-0.08vs par /bd · #368/672
+0.13adjusted /bd
Butler per round: -26.4 -2.2 -2.2 5 9.6 -8.1 3.5 42.6 42.6 30.6 30.6 -3.6 -3.6 -23.5 -5.8 -1.1by round

vs par split: bidding -0.34 · play -0.17

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.13/bd

Card play — on target: opening leads 87.0% #186 of 671 · declarer play 82.6% #209 of 671 · defence 83.6% #394 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·87.0% (23)
Declarer play·82.6% (23)
Defence·83.6% (55)

Opening leads by suit led: ♠ 100.0% (8) · ♥ 75.0% (8) · ♦ 100.0% (3) · ♣ 75.0% (4)

vs par by strain: a suit -0.51 (101)

vs par by level: part-score +0.58 (45) · game -1.00 (54) · slam -11.50 (2)

By role: declaring +0.27/bd (-2.02 vs par · 82) · defending -0.01/bd (+1.96 vs par · 78)

By vulnerability: vulnerable +0.02/bd (-0.42 vs par · 95) · not vulnerable +0.29/bd (+0.41 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.LiN.Sver – M.PilipovicOpen10-26.4-2.64-4.00
Round 3J.LinD.Hu – A.ZhiClosed10-17.2-1.72-3.80
Round 3X.LiR.Mapp – T.HartOpen10+15.0+1.50+2.80
Round 4X.LiM.Barel – Y.ZackOpen10+5.0+0.50+0.40
Round 5X.LiM.Cornell – V.CornellClosed10+9.6+0.96+0.70
Round 6X.LiY.Huang – F.LiuOpen10-8.1-0.81-2.10
Round 7X.LiH.Jiang – X.ZhouOpen10+3.5+0.35-0.70
Round 8Z.ChenN.Chen – Y.JingClosed10+25.1+2.51+2.20
Round 8X.LiV.Svangsopakul – V.ChinmanasClosed10+17.5+1.75+1.50
Round 9Z.ChenM.Cornell – V.CornellClosed10+35.0+3.50+4.00
Round 9Y.HeY.Nakamura – H.ShibanoOpen10-4.4-0.44-0.90
Round 10Z.ChenX.Liu – Z.LiOpen10+3.4+0.34-1.10
Round 10X.LiB.Jacobus – B.MorrisClosed10-7.0-0.70-2.20
Round 11X.LiG.Chagas – M.Villas-BoasOpen10-23.5-2.35-2.50
Round 12X.LiQ.Gong – G.CaiClosed10-5.8-0.58+0.30
Round 13X.LiN.Chitlangia – R.SinhaClosed10-1.1-0.11+4.10

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
+10.6Round 9STERN264♠♣6=+10
+9.7Round 8BEIJING ZHU YE204♠♣A-1+12
+9.5Round 10LEONINA83N♠3=+7
+9.2Round 13CHITLANGIA24♥♠6-1+13
+9.0Round 9STERN253N♦2=+10
+8.7Round 7SHANGHAI JIAHENG85♦x♣2=+6
+8.5Round 9STERN213N♦J-1+11
+8.5Round 9NAKAMURA213N♣8-1+11
+7.8Round 5STERN184♠♣3=+7
+7.1Round 9STERN224♠♦6=+5
+6.7Round 4HERBST65♣x♣Q-3-4
+6.6Round 3TRINIDAD AND TOBAGO251Nx♠6+1+7
+6.5Round 3TRINIDAD AND TOBAGO303N♦5-1+12
+6.5Round 8THAILAND/RBSC202♠♦2+2+10
+6.3Round 3YUNNAN DIKUANG284♥♦7=+5
+6.3Round 3TRINIDAD AND TOBAGO284♥♣3-1+11
+6.3Round 5STERN133N♥K-1+11
+6.2Round 9NAKAMURA294♠♥K-4+7
+6.0Round 8BEIJING ZHU YE153N♣6-2+8
+6.0Round 10HAI LV TEAM42Nx♦Q-1+3
+4.8Round 10HAI LV TEAM72♦♠K=+11
+4.6Round 8BEIJING ZHU YE113N♦6+1+4
+4.6Round 8THAILAND/RBSC113N♦J+1+4
+4.6Round 13CHITLANGIA44♠♥2+1+0
+4.5Round 3TRINIDAD AND TOBAGO242♥♦3-1+5
+3.8Round 11HUSSEIN-CHAGAS133♥♠2-1+5
+3.6Round 12BEIJING-HONGKONG224♣♥A-1+5
+3.5Round 11HUSSEIN-CHAGAS143N♠4+2-14
+3.3Round 3YUNNAN DIKUANG303N♦K=-6
+3.2Round 12BEIJING-HONGKONG262♠♣K+1+0
+3.1Round 10HAI LV TEAM94♠x♥K-3+5
+3.0Round 10LEONINA12♦♦8-2+1
+2.7Round 8BEIJING ZHU YE192♣♠3-2+0
+2.7Round 8THAILAND/RBSC192♠♥K-2+0
+2.6Round 8BEIJING ZHU YE121♠♦7+2+0
+2.6Round 10HAI LV TEAM83♣♥Q-1-1
+2.3Round 3TRINIDAD AND TOBAGO233N♦4+2+0
+2.3Round 5STERN171N♠2=-1
+2.3Round 9STERN232♦♠A-2+2
+2.2Round 13CHITLANGIA14♠♥Q+1+1
+2.1Round 4HERBST42♠♥J+2+10
+2.1Round 6TONGJI UNIVERSITY305♦♥3-2+6
+1.9Round 9STERN293N♣6-2+3
+1.8Round 7SHANGHAI JIAHENG21N♠10+1+0
+1.7Round 5STERN121N♣J+3+2
+1.6Round 8THAILAND/RBSC121♠♥3+1-1
+1.5Round 4HERBST33N♥9+1-1
+1.5Round 8BEIJING ZHU YE173N♥7+1-5
+1.5Round 8THAILAND/RBSC173N♥7+1-5
+1.4Round 1SVER94N♠8+1+0
+1.4Round 4HERBST72♣♦Q+3+0
+1.3Round 3TRINIDAD AND TOBAGO295♦♣A+1-1
+1.3Round 4HERBST92♠♣8-1+4
+1.2Round 10LEONINA33♠♠3+1+1
+1.1Round 8THAILAND/RBSC142♥♠3=+0
+1.0Round 6TONGJI UNIVERSITY223♠♦A=+6
+1.0Round 6TONGJI UNIVERSITY283N♣2+3+1
+1.0Round 8BEIJING ZHU YE143♠♥8-2+0
+1.0Round 8THAILAND/RBSC181N♠J=-1
+1.0Round 12BEIJING-HONGKONG244♠♦K-1-5
+0.9Round 6TONGJI UNIVERSITY293♦♠6=+0
+0.9Round 8BEIJING ZHU YE134♠♥K+2+7
+0.9Round 8THAILAND/RBSC134♠♠6+2+7
+0.9Round 9STERN244♥♦2=-5
+0.9Round 9NAKAMURA244♥♦3=-5
+0.8Round 4HERBST10Pass+3
+0.8Round 6TONGJI UNIVERSITY253♦♥A-1-3
+0.8Round 12BEIJING-HONGKONG253N♥5+2+6
+0.7Round 3YUNNAN DIKUANG223N♥5+1-5
+0.7Round 5STERN143N♠Q-1+2
+0.6Round 1SVER24♠x♦3-2+0
+0.5Round 12BEIJING-HONGKONG213♦♣5+2+2
+0.5Round 12BEIJING-HONGKONG235♦♠6-1+6
+0.4Round 13CHITLANGIA73N♣7+1-1
+0.3Round 3TRINIDAD AND TOBAGO212N♣10=+1
+0.2Round 11HUSSEIN-CHAGAS194♠♥8=+0
+0.1Round 7SHANGHAI JIAHENG14♥♣2=+1
+0.1Round 7SHANGHAI JIAHENG94♥♦A+1+11
+0.1Round 11HUSSEIN-CHAGAS203N♠4+3+13
-0.0Round 3YUNNAN DIKUANG251N♠9=+0
-0.0Round 7SHANGHAI JIAHENG31N♣K-2-9
-0.1Round 1SVER12♥♣3+2+7
-0.1Round 4HERBST23N♣6+1+0
-0.1Round 7SHANGHAI JIAHENG64♥♣J=-1
-0.1Round 8BEIJING ZHU YE162N♣A-1+1
-0.2Round 1SVER43♠♥10-1-1
-0.2Round 6TONGJI UNIVERSITY274♥♦K-1-5
-0.2Round 7SHANGHAI JIAHENG44♥♠9=-1
-0.3Round 3YUNNAN DIKUANG211N♣9+1-1
-0.3Round 7SHANGHAI JIAHENG102♥♦K=-1
-0.3Round 10LEONINA54♠♥7+2-11
-0.4Round 9STERN285♦♠A+1+5
-0.5Round 5STERN113♣♣K-1+4
-0.5Round 5STERN162♠♣A=-1
-0.5Round 10HAI LV TEAM64♠♣A=+0
-0.5Round 10LEONINA64♠♣A=+0
-0.6Round 9NAKAMURA283N♠A+1+5
-0.7Round 9NAKAMURA231N♥4=-1
-0.8Round 1SVER62♥♥6-1+0
-0.8Round 10HAI LV TEAM31N♥Q-2-1
-0.8Round 13CHITLANGIA33N♦10+2+0
-0.9Round 13CHITLANGIA53N♠6+2+12
-0.9Round 13CHITLANGIA93N♥A+1-1
-1.0Round 4HERBST51N♦5-1+1
-1.0Round 10HAI LV TEAM102♠♣5+1-1
-1.0Round 10LEONINA42♠♦6-1-5
-1.1Round 6TONGJI UNIVERSITY231♣♦4+1-2
-1.1Round 8THAILAND/RBSC162♠♥A+1+0
-1.2Round 10HAI LV TEAM54♠♥4+1-11
-1.3Round 8THAILAND/RBSC151N♣6+1+1
-1.3Round 12BEIJING-HONGKONG304♥♦K-1-5
-1.4Round 4HERBST83♠♠9=+0
-1.5Round 9STERN303♠♣K=+0
-1.5Round 10LEONINA72♥♥K+1+8
-1.5Round 13CHITLANGIA83N♦Q+3+14
-1.6Round 5STERN204♥♣2+1+0
-1.6Round 11HUSSEIN-CHAGAS183N♦5-1-4
-1.9Round 7SHANGHAI JIAHENG74♠♥3-1-6
-2.3Round 3YUNNAN DIKUANG234♠♦J+1+0
-2.3Round 9NAKAMURA253N♠5-1-6
-2.4Round 5STERN153N♣2+1-11
-2.4Round 10HAI LV TEAM11N♦A-2-5
-2.4Round 11HUSSEIN-CHAGAS172♠♣Q=+0
-2.5Round 9NAKAMURA223♠♦10+1-6
-2.6Round 3TRINIDAD AND TOBAGO223N♥2+3+3
-2.7Round 3YUNNAN DIKUANG273N♥8-1-5
-2.9Round 6TONGJI UNIVERSITY264♠♥Q+2-6
-3.1Round 9NAKAMURA264♠♥3-1-6
-3.1Round 12BEIJING-HONGKONG274♥♣7+1+5
-3.2Round 10LEONINA22♣♥4-1-7
-3.4Round 9STERN272♠♦9+2-1
-3.4Round 9NAKAMURA272♠♣A+2-1
-3.5Round 1SVER34♠♣A-3-11
-3.5Round 1SVER54♠♣7-2-6
-3.7Round 3TRINIDAD AND TOBAGO265♦x♦3-1-3
-3.8Round 8BEIJING ZHU YE182♠♥Q-2-5
-4.0Round 11HUSSEIN-CHAGAS113♦♦2+1-7
-4.2Round 3YUNNAN DIKUANG264♠♦Q=-8
-4.2Round 5STERN193♠♥3=-6
-4.4Round 6TONGJI UNIVERSITY243N♠K-3-7
-4.4Round 10LEONINA95♦x♠A-1-5
-4.4Round 12BEIJING-HONGKONG291N♥4+2-6
-4.7Round 7SHANGHAI JIAHENG55♠x♦Q-1-7
-5.3Round 6TONGJI UNIVERSITY216♥♣A-1-11
-5.6Round 3YUNNAN DIKUANG244♥♠8-2-6
-5.7Round 1SVER82♥♠Q-3-6
-6.3Round 4HERBST15♦x♥6-2-9
-6.5Round 1SVER74♥♠J-1-13
-6.5Round 3TRINIDAD AND TOBAGO273N♥9=-7
-6.5Round 13CHITLANGIA63N♠6+2+11
-6.6Round 12BEIJING-HONGKONG284♠♦K=-5
-6.8Round 11HUSSEIN-CHAGAS166N♠9-1-13
-6.9Round 13CHITLANGIA103Nx♠3-1-8
-7.2Round 10HAI LV TEAM24♠♦7-2-11
-7.4Round 9NAKAMURA304♠♠J=-7
-7.9Round 11HUSSEIN-CHAGAS153N♥4-6-5
-8.1Round 1SVER104♥x♠3+1-10
-8.4Round 11HUSSEIN-CHAGAS123N♥2+1+0
-9.8Round 10LEONINA104♠♣5=-11
-12.4Round 3YUNNAN DIKUANG296♦♠4=-12