CHEN Yichao · REIGNWOOD

119rank
+52.6Butler · 130 bds
+0.40per board
±3.9swing
+0.77vs par /bd · #60/567
+0.75adjusted /bd
Butler per round: 40.4 -7.5 15.6 -15.2 -11.9 3.5 23.8 -5.1 17 -7.7 8.5 3.1 -11.9by round

vs par split: bidding +0.82 · play -0.05

Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted +0.75/bd

Card play — on target: opening leads 83.3% #181 of 567 · declarer play 81.0% #193 of 567 · defence 87.9% #102 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads78.6% (14)86.4% (22)
Declarer play85.7% (14)78.6% (28)
Defence83.3% (18)90.0% (40)

Opening leads by suit led: ♠ 81.8% (11) · ♥ 62.5% (8) · ♦ 100.0% (8) · ♣ 88.9% (9)

vs par by strain: NT -1.32 (40) · a suit +1.70 (90)

vs par by level: part-score +0.42 (60) · game +0.80 (66) · slam +5.50 (4)

By role: declaring +0.36/bd (-0.99 vs par · 72) · defending +0.46/bd (+2.95 vs par · 58)

By vulnerability: vulnerable +0.56/bd (+0.80 vs par · 66) · not vulnerable +0.24/bd (+0.73 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.HuW.Cai – D.TaoClosed10+40.4+4.04+4.30
Round 2J.HuC.Krefeld – J.HammelevClosed10-7.5-0.75+0.60
Round 4J.HuJ.Li – J.LiuClosed10+15.6+1.56+1.50
Round 5J.HuT.Bessis – C.LorenziniClosed10-15.2-1.52-1.00
Round 6J.HuS.Sun – Y.LianOpen10-11.9-1.19-3.00
Round 7J.HuA.Comella – S.SabbatiniClosed10+3.5+0.35-2.70
Round 9J.HuD.Yu – R.LiOpen10+23.8+2.38+5.80
Round 10J.HuW.He – S.LiuOpen10-5.1-0.51+1.60
Round 11J.HuT.Asbi – L.BojohOpen10+17.0+1.70+2.10
Round 12J.HuA.Malinowski – D.BakhshiClosed10-7.7-0.77-0.30
Round 13J.HuG.Sun – Y.ZhangClosed10+8.5+0.85+2.60
Round 14J.HuA.Arlovich – E.VainikonisOpen10+3.1+0.31+1.90
Round 15J.HuJ.Hurd – K.BathurstClosed10-11.9-1.19-3.40

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
+14.7Round 1ZJJDWUHANYUAN95♣x♦3-5+16
+13.3Round 1ZJJDWUHANYUAN104♥xx♦3-2+13
+9.6Round 11INDONESIA Mixed153NT♦K-3+14
+6.5Round 6SHANGHAILVCHENG296♠♦4=+0
+6.4Round 1ZJJDWUHANYUAN43♣x♦3-2+8
+6.2Round 9YUNNAN274♠♥A=+0
+6.0Round 4PD TIMES74♠♣K-1+6
+5.9Round 5SHEN194♠♦8-3+7
+5.9Round 15MILLENS223NT♠4=+0
+5.7Round 4PD TIMES43NT♠Q+2+0
+5.1Round 13PIONEERS84♥♠9+1+10
+4.9Round 13PIONEERS64♥♦4-1+10
+4.8Round 9YUNNAN214♥♠J+1+1
+4.8Round 9YUNNAN223NT♣9-2+6
+4.6Round 11INDONESIA Mixed113NT♠7=+7
+4.5Round 7ITALY Seniors64♥♦3-2+5
+4.4Round 5SHEN174♠♣3-1+5
+4.3Round 13PIONEERS54♥♦A=+11
+4.3Round 15MILLENS294♠x♦4-2+0
+4.2Round 7ITALY Seniors93NT♠2=-13
+4.1Round 12SIVY A274♥♦A=+0
+4.0Round 11INDONESIA Mixed193NT♦6=+0
+3.8Round 1ZJJDWUHANYUAN62♠♦3=+11
+3.8Round 14BRIDGESCANNER202♥♦A+1+7
+3.7Round 2MIX DENMARK122♥♥7=+12
+3.7Round 10ZHONGSHAN JIEGAO44♦♠9-1+6
+3.6Round 1ZJJDWUHANYUAN32NT♦3-1+5
+3.6Round 4PD TIMES24♥♣K+1+6
+3.4Round 9YUNNAN233NT♦7+2+14
+3.3Round 2MIX DENMARK154♥♠Q=+6
+3.3Round 9YUNNAN305♠♦Q-2+11
+3.2Round 7ITALY Seniors53♥♠8-2+2
+3.2Round 11INDONESIA Mixed164♥♠7-1+5
+2.7Round 13PIONEERS102♠♥2-1-1
+2.5Round 2MIX DENMARK182♦♠A=+0
+2.2Round 12SIVY A284♥♦J+3-10
+2.0Round 6SHANGHAILVCHENG275♠♥A-1+8
+1.9Round 7ITALY Seniors14♥♥9-2+0
+1.9Round 9YUNNAN243♥♥4-2+5
+1.8Round 6SHANGHAILVCHENG243♦♣9+1+1
+1.8Round 13PIONEERS42♥♣3+1+1
+1.7Round 9YUNNAN255♥♦8+1+11
+1.7Round 10ZHONGSHAN JIEGAO11NT♦10=+5
+1.7Round 14BRIDGESCANNER174♠♦10+1+0
+1.6Round 5SHEN152♥♠A=+5
+1.5Round 1ZJJDWUHANYUAN23♦♦3+1+0
+1.5Round 14BRIDGESCANNER123NT♥10+2+1
+1.5Round 14BRIDGESCANNER164♠♥A-1+5
+1.3Round 5SHEN202♠♦10+2+1
+1.3Round 6SHANGHAILVCHENG213NTx♣8-1-5
+1.3Round 10ZHONGSHAN JIEGAO102♠♠2=+0
+1.2Round 12SIVY A232♥♥9+2+1
+1.1Round 14BRIDGESCANNER142♦♦5+1+0
+0.9Round 4PD TIMES62♥♠7-1+0
+0.8Round 11INDONESIA Mixed202♦♠4=+1
+0.7Round 12SIVY A263♥♦Q=+0
+0.6Round 1ZJJDWUHANYUAN13♠♦3+1+6
+0.6Round 2MIX DENMARK131NT♦K=-1
+0.6Round 4PD TIMES34♥♦5+2+11
+0.6Round 11INDONESIA Mixed123NT♠10=-1
+0.5Round 1ZJJDWUHANYUAN71NT♦3+1+0
+0.5Round 11INDONESIA Mixed143♣♣A+2-1
+0.4Round 4PD TIMES54♠♥A+1+1
+0.4Round 4PD TIMES92♥♠A-1-5
+0.3Round 4PD TIMES14♥♠K+1+0
+0.2Round 5SHEN112♠♦6+1+0
+0.2Round 13PIONEERS75♣♦2=-2
+0.1Round 13PIONEERS93NT♠9+1-1
+0.0Round 10ZHONGSHAN JIEGAO86NT♣9=+11
+0.0Round 12SIVY A292♠♣8+1+0
+0.0Round 14BRIDGESCANNER181♠x♣K-3+0
-0.2Round 5SHEN143♠♠2-1-5
-0.2Round 10ZHONGSHAN JIEGAO34♣♦5+1+6
-0.2Round 11INDONESIA Mixed182♠♣2=+0
-0.2Round 15MILLENS243NT♥2+2+0
-0.3Round 2MIX DENMARK173♠♠5=+7
-0.3Round 13PIONEERS23♠♣2-1+10
-0.4Round 7ITALY Seniors72♦♦6=-1
-0.5Round 9YUNNAN263NT♥8+2+12
-0.5Round 15MILLENS253NT♣4+1+0
-0.6Round 2MIX DENMARK143♦♥7=-5
-0.6Round 4PD TIMES102♣♠K=+0
-0.6Round 6SHANGHAILVCHENG302♥♠3+1-6
-0.6Round 9YUNNAN291NT♣Q-2+2
-0.7Round 14BRIDGESCANNER193♦♠6-1+0
-0.8Round 2MIX DENMARK114♥x♣A-2+3
-0.9Round 1ZJJDWUHANYUAN52♠♦3+3-6
-0.9Round 6SHANGHAILVCHENG222♥♣Q+1+0
-0.9Round 7ITALY Seniors22♠♣A-1+1
-1.2Round 7ITALY Seniors31NT♥2+1+0
-1.2Round 9YUNNAN283♥♦4-1-4
-1.3Round 7ITALY Seniors83NT♦Q=-11
-1.3Round 14BRIDGESCANNER133♥♠Q-1+0
-1.5Round 10ZHONGSHAN JIEGAO92♥♣K-1-5
-1.5Round 11INDONESIA Mixed172♠♦6+1+6
-1.7Round 4PD TIMES82NT♣5-1-4
-1.7Round 5SHEN122♠♠8=+0
-1.7Round 12SIVY A211♥♠K=-1
-1.7Round 12SIVY A243NT♥7-5+5
-1.8Round 15MILLENS232♥♥2+1-1
-1.9Round 10ZHONGSHAN JIEGAO53♥♠2-1+2
-1.9Round 14BRIDGESCANNER113NT♣10=+1
-2.4Round 10ZHONGSHAN JIEGAO64♠♣10-1-6
-2.6Round 12SIVY A256♥♣K=+11
-2.6Round 14BRIDGESCANNER155♣♠A-1+5
-2.7Round 10ZHONGSHAN JIEGAO24♠♥A=-3
-2.7Round 15MILLENS212♠♥A-3+0
-2.8Round 15MILLENS303NT♦6-1-5
-3.1Round 1ZJJDWUHANYUAN84♠♦3-1-10
-3.1Round 10ZHONGSHAN JIEGAO73NT♠J=+0
-3.2Round 7ITALY Seniors103♥♥9=-7
-3.3Round 6SHANGHAILVCHENG253NT♥10-2-7
-3.3Round 7ITALY Seniors45♦♠K+1-3
-3.3Round 15MILLENS275♣♦3-1-4
-3.3Round 15MILLENS283NT♦8+2-11
-3.5Round 13PIONEERS14♥♠2=+0
-3.8Round 2MIX DENMARK163NT♣6=-7
-3.9Round 12SIVY A226♥♦J=+0
-4.4Round 6SHANGHAILVCHENG232NT♥5-1-6
-4.6Round 11INDONESIA Mixed133NT♠4=-10
-4.7Round 6SHANGHAILVCHENG262♠♦4-3-5
-5.2Round 2MIX DENMARK193NT♣A-1-6
-6.0Round 12SIVY A303♥♣A-5-9
-6.8Round 13PIONEERS33NT♦3-1-12
-6.9Round 2MIX DENMARK203NT♥3=-3
-7.0Round 5SHEN163NT♠J=+0
-7.5Round 15MILLENS262♠♣A+1-13
-8.9Round 5SHEN133NT♦8-2-13
-9.6Round 6SHANGHAILVCHENG283NT♦4=-10
-10.8Round 5SHEN183NT♠5=-10