CAI Jiancheng · CHINA KINGDOM

358rank
+2.8Butler · 110 bds
+0.03per board
±3.7swing
-0.06vs par /bd · #355/672
+0.24adjusted /bd
Butler per round: 32.3 17 -12.1 -3.9 -18.7 3.6 -12.2 -7.8 4.9 12.2 -12.5by round

vs par split: bidding -0.88 · play +0.66

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.24/bd

Card play — on target: opening leads 73.3% #527 of 671 · declarer play 88.9% #84 of 671 · defence 93.1% #58 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·73.3% (15)
Declarer play·88.9% (18)
Defence·93.1% (29)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 50.0% (2) · ♦ 75.0% (4) · ♣ 83.3% (6)

vs par by strain: a suit -0.22 (67)

vs par by level: part-score -0.50 (32) · game -0.31 (32) · slam +3.67 (3)

By role: declaring -0.47/bd (-2.80 vs par · 56) · defending +0.54/bd (+2.78 vs par · 54)

By vulnerability: vulnerable -0.03/bd (-0.58 vs par · 62) · not vulnerable +0.09/bd (+0.60 vs par · 48)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.WangG.Xin – X.LinOpen10+32.3+3.23+4.70
Round 2M.WangJ.Li – J.LiuOpen10+17.0+1.70-1.70
Round 3M.WangN.Chitlangia – H.BangurOpen10-12.1-1.21-2.60
Round 4M.WangW.Zhang – X.LiOpen10-3.9-0.39-0.40
Round 5M.WangJ.Tueje – B.PoliiOpen10-18.7-1.87-2.90
Round 7W.GuY.Nakamura – H.ShibanoOpen10+3.6+0.36-1.50
Round 8M.WangK.Murniati – S.DewiOpen10-12.2-1.22-1.80
Round 9M.WangJ.Li – L.LinOpen10-7.8-0.78-0.50
Round 11M.WangJ.Bian – S.ZhouOpen10+4.9+0.49+0.20
Round 12M.WangY.Wu – Z.YuOpen10+12.2+1.22+2.30
Round 13M.WangY.Shao – J.HuOpen10-12.5-1.25+3.50

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
+12.5Round 1SHANGHAI JIAHENG25♠x♦5-5+13
+11.6Round 1SHANGHAI JIAHENG96♣♥10-1+13
+8.5Round 2JIANGSU173N♦7-6+3
+7.6Round 12SUZHOU TAIHU284♠♠5-1+11
+6.8Round 11SHANGHAI HENGYUANXIANG123N♥3-1+12
+6.5Round 1SHANGHAI JIAHENG73N♠J-1+13
+6.3Round 3CHITLANGIA283N♠4+1+5
+6.3Round 12SUZHOU TAIHU214♥♣2=+8
+5.6Round 2JIANGSU193N♠6-3+7
+5.6Round 7NAKAMURA92♥♠8+4+13
+4.5Round 9GUANGDONG253N♠6-2+8
+3.8Round 11SHANGHAI HENGYUANXIANG132♥♠8-1+5
+3.6Round 12SUZHOU TAIHU223N♥K-1+5
+3.6Round 13PEKING UNIVERSITY44♠♥2=-1
+3.4Round 11SHANGHAI HENGYUANXIANG113N♣J+1+0
+3.3Round 1SHANGHAI JIAHENG83N♥2-1+4
+3.3Round 9GUANGDONG223♠♦6=+7
+2.8Round 11SHANGHAI HENGYUANXIANG153♠♠2+2+7
+2.7Round 11SHANGHAI HENGYUANXIANG145♦♥K+1-14
+2.4Round 9GUANGDONG303♠♠J+1+1
+2.2Round 4YUNNAN DIKUANG64♣♠Q-2+11
+1.9Round 2JIANGSU111N♥4+1+0
+1.9Round 2JIANGSU132♣♠7+1+6
+1.8Round 1SHANGHAI JIAHENG54♠♣9-1+5
+1.8Round 2JIANGSU123♥♥7=+0
+1.7Round 1SHANGHAI JIAHENG62N♠4=+1
+1.7Round 2JIANGSU154♥♠9+1+0
+1.6Round 7NAKAMURA85♠x♦6-1-5
+1.5Round 7NAKAMURA31N♣K-3-8
+1.5Round 8INDONESIA LADIES182♠♦Q=+0
+1.5Round 12SUZHOU TAIHU293♠♥Q-1+0
+1.4Round 4YUNNAN DIKUANG82♠♦Q+1+0
+1.3Round 11SHANGHAI HENGYUANXIANG173♠♣Q-1+4
+1.3Round 13PEKING UNIVERSITY74♥♠9+1+0
+1.2Round 13PEKING UNIVERSITY14♠♠4=+0
+1.1Round 4YUNNAN DIKUANG23N♣9=+1
+1.1Round 8INDONESIA LADIES142♥♦A=+0
+1.0Round 7NAKAMURA21N♠K=-1
+1.0Round 12SUZHOU TAIHU241♥♦A-1-5
+0.9Round 7NAKAMURA64♥♥10+1+0
+0.9Round 8INDONESIA LADIES134♠♠3+2+7
+0.8Round 4YUNNAN DIKUANG15♦♥6-1+4
+0.8Round 12SUZHOU TAIHU253N♥5+2+6
+0.7Round 1SHANGHAI JIAHENG104♥♠4+1+4
+0.7Round 5GABSI161N♠2-3+0
+0.6Round 8INDONESIA LADIES173N♥7=-6
+0.5Round 12SUZHOU TAIHU233N♠K-1+6
+0.4Round 3CHITLANGIA243♥♠8=+0
+0.4Round 9GUANGDONG285♦♠A+1-5
+0.3Round 4YUNNAN DIKUANG71N♥2=+2
+0.3Round 5GABSI193♠♣8-1-2
+0.3Round 13PEKING UNIVERSITY102N♠Q+1+1
+0.2Round 2JIANGSU203N♠4+3-13
+0.1Round 7NAKAMURA14♥♦8=+1
+0.1Round 11SHANGHAI HENGYUANXIANG203N♠5+3+13
+0.0Round 13PEKING UNIVERSITY94♠♥4+1+0
-0.2Round 7NAKAMURA44♥♦4=-1
-0.2Round 9GUANGDONG231N♥4+1+0
-0.3Round 3CHITLANGIA212N♣10=-1
-0.3Round 3CHITLANGIA223N♣7=-5
-0.3Round 3CHITLANGIA252♠♥6-2+0
-0.3Round 5GABSI122♦♣K-1-1
-0.3Round 7NAKAMURA102♠♦A=-1
-0.4Round 11SHANGHAI HENGYUANXIANG18Pass-3
-0.5Round 5GABSI113♣♣K-1+4
-0.8Round 4YUNNAN DIKUANG10Pass-3
-0.8Round 13PEKING UNIVERSITY33N♦10+2+0
-0.9Round 9GUANGDONG244♥♦6=+5
-0.9Round 13PEKING UNIVERSITY53N♠3+2+12
-1.1Round 2JIANGSU161N♠J=+1
-1.1Round 8INDONESIA LADIES162♠♥K+1+0
-1.2Round 1SHANGHAI JIAHENG13♦♠A+1-8
-1.3Round 12SUZHOU TAIHU304♥♦K-1-5
-1.5Round 4YUNNAN DIKUANG33N♥9+1+1
-1.6Round 2JIANGSU183♠♦5-1-4
-1.6Round 5GABSI142♦♣7+2-1
-1.6Round 5GABSI204♥♣7+1+0
-1.9Round 2JIANGSU143N♠3+4-17
-1.9Round 7NAKAMURA74♠♥3-1-6
-1.9Round 8INDONESIA LADIES152N♣6+1+0
-1.9Round 9GUANGDONG293♠♥K-2-3
-2.0Round 8INDONESIA LADIES192♦♥K=-5
-2.1Round 4YUNNAN DIKUANG41♠♥J+3-10
-2.2Round 3CHITLANGIA293N♠6+2+0
-2.3Round 1SHANGHAI JIAHENG34♠x♣A-3+4
-2.3Round 1SHANGHAI JIAHENG44♠♥10-2-2
-2.3Round 3CHITLANGIA233N♦J+2+0
-2.3Round 5GABSI185♣♣A-1-5
-2.4Round 4YUNNAN DIKUANG91N♠4=-5
-2.6Round 8INDONESIA LADIES204♠♣7=+0
-2.7Round 3CHITLANGIA273N♠Q-1-5
-2.7Round 5GABSI155♦♠J+1-11
-2.7Round 9GUANGDONG261N♣5+2+0
-2.9Round 4YUNNAN DIKUANG52♥♦A=-5
-2.9Round 5GABSI173♥♠A-2-5
-3.1Round 12SUZHOU TAIHU274♥♦Q+1+5
-3.3Round 13PEKING UNIVERSITY24♥♣2=+1
-3.4Round 8INDONESIA LADIES123N♣10-2-6
-4.2Round 3CHITLANGIA265♣♦K+1-8
-4.2Round 9GUANGDONG271♦x♥K=-7
-4.7Round 7NAKAMURA55♠x♦Q-1-7
-4.7Round 12SUZHOU TAIHU262♦♠Q-2-8
-5.3Round 8INDONESIA LADIES113N♥3-1-8
-5.5Round 13PEKING UNIVERSITY63N♦4+1+11
-6.5Round 3CHITLANGIA303N♦K-1-12
-6.8Round 11SHANGHAI HENGYUANXIANG166♠♣9-1-13
-7.8Round 5GABSI135♣x♦2=-8
-8.4Round 13PEKING UNIVERSITY86♠♦Q=+11
-8.5Round 9GUANGDONG213N♦J-1-11
-8.8Round 11SHANGHAI HENGYUANXIANG193♠♣J+2-9