YEN Ding-Ming · RIGHT CALL

419rank
-9.8Butler · 110 bds
-0.09per board
±4.2swing
+0.08vs par /bd · #290/672
-0.01adjusted /bd
Butler per round: -10.9 12.9 5.8 8.7 3 6.2 4 -7.6 -9.8 -17.8 -4.3by round

vs par split: bidding +0.32 · play +0.26

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.01/bd

Card play — on target: opening leads 83.3% #279 of 671 · declarer play 94.4% #23 of 671 · defence 95.0% #29 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·83.3% (18)
Declarer play·94.4% (18)
Defence·95.0% (40)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (2) · ♦ 77.8% (9) · ♣ 100.0% (4)

vs par by strain: a suit +0.58 (78)

vs par by level: part-score +0.20 (44) · game +1.41 (27) · slam -0.29 (7)

By role: declaring +0.18/bd (-1.52 vs par · 54) · defending -0.35/bd (+1.62 vs par · 56)

By vulnerability: vulnerable +0.20/bd (-0.02 vs par · 62) · not vulnerable -0.46/bd (+0.21 vs par · 48)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.ChengJ.Zhao – Z.FuOpen10-10.9-1.09-5.50
Round 3Y.ChengJ.Gao – W.ZhangOpen10+12.9+1.29+2.80
Round 4N.ShenS.Mukherjee – B.DasClosed10+5.8+0.58+0.60
Round 6N.ShenH.Zheng – J.MaClosed10+8.7+0.87-0.10
Round 7N.ShenZ.Shi – L.HaitaoOpen10+3.0+0.30+1.70
Round 8N.ShenR.Li – S.DongOpen10+6.2+0.62+0.10
Round 9N.ShenX.Liu – Z.LiOpen10+4.0+0.40-0.70
Round 10Y.TuJ.Russyan – A.JezioroOpen10-7.6-0.76+1.10
Round 11N.ShenX.Li – W.ZhangOpen10-9.8-0.98-0.60
Round 12N.ShenP.Hackett – J.HackettOpen10-17.8-1.78-0.70
Round 14N.ShenV.Aronov – A.ZobuClosed10-4.3-0.43+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
+13.5Round 3SUZHOU TAIHU266♣♦K=+14
+12.3Round 7XINYUANKONGGU43N♣5-1+13
+11.9Round 9HAI LV TEAM282♥♠J+2+14
+10.5Round 6TIANJIN UNION266♠♦A-1+11
+9.1Round 10POLISH SENIORS95♥x♦A-1+11
+7.5Round 14POPOVA203♣♦6+2+10
+7.4Round 4TEXAN ACES44♠♥J=+0
+7.1Round 2CHINA SMEG146♦♥5+1-15
+7.0Round 12MAHAFFEY214♥♣5+1+8
+6.8Round 8SHAN FENG203♠♦J=+10
+5.1Round 7XINYUANKONGGU103♥♣Q-1+6
+4.5Round 3SUZHOU TAIHU243♦♠8-1+5
+4.3Round 4TEXAN ACES92♠♠6+2+2
+4.0Round 11YUNNAN DIKUANG122♥♥2-1+11
+3.9Round 7XINYUANKONGGU22♠♠3=+6
+3.8Round 8SHAN FENG164♠♥A-1+5
+3.4Round 6TIANJIN UNION303N♥2-3+7
+3.4Round 11YUNNAN DIKUANG113N♠10+1+0
+2.4Round 14POPOVA113♥♦4-1-2
+2.3Round 3SUZHOU TAIHU234♠♣10+1+0
+2.3Round 3SUZHOU TAIHU283♦♣K-3+7
+2.3Round 9HAI LV TEAM262N♦7=-1
+1.9Round 2CHINA SMEG111N♥4+1+0
+1.9Round 7XINYUANKONGGU74♠♥4-1+6
+1.9Round 9HAI LV TEAM294♠♦4-2+3
+1.8Round 10POLISH SENIORS102♠♣4+2+2
+1.6Round 14POPOVA123♠♦10-1-2
+1.4Round 4TEXAN ACES83♠♦Q=+0
+1.2Round 4TEXAN ACES63♠♣10=+11
+1.2Round 11YUNNAN DIKUANG194♠♣J+1+1
+1.1Round 8SHAN FENG142♠♣2=+0
+1.0Round 6TIANJIN UNION223♠♦A=+6
+1.0Round 8SHAN FENG181N♠J=-1
+0.9Round 6TIANJIN UNION293♦♣2=+0
+0.9Round 8SHAN FENG134♠♥A+2+7
+0.9Round 9HAI LV TEAM244♥♦2=-5
+0.8Round 6TIANJIN UNION253♦♥A-1-3
+0.7Round 10POLISH SENIORS32♥♦K=+1
+0.6Round 8SHAN FENG173N♥7=-6
+0.5Round 3SUZHOU TAIHU295♦♥Q=-2
+0.5Round 10POLISH SENIORS64♠♠7=+0
+0.5Round 12MAHAFFEY235♦♠6-1+6
+0.5Round 14POPOVA191N♠6+1+6
+0.4Round 6TIANJIN UNION233♥♠6=+0
+0.3Round 3SUZHOU TAIHU212N♣9=+1
+0.3Round 3SUZHOU TAIHU223N♥2=+5
+0.3Round 10POLISH SENIORS54♠♦9+2+11
+0.2Round 2CHINA SMEG203N♠4+3-13
+0.1Round 4TEXAN ACES23N♠4+1+0
+0.1Round 7XINYUANKONGGU64♥♥5=+1
+0.1Round 11YUNNAN DIKUANG203N♠5+3+13
-0.1Round 7XINYUANKONGGU13N♣4+1-1
-0.1Round 7XINYUANKONGGU33♣♦2=+9
-0.2Round 6TIANJIN UNION274♥♠3-1-5
-0.2Round 12MAHAFFEY253N♥5+1+5
-0.3Round 12MAHAFFEY285♦x♦6-2+4
-0.3Round 14POPOVA173♣♥4=+1
-0.6Round 4TEXAN ACES71N♦Q+1+1
-0.6Round 14POPOVA135♠♣K+1+6
-0.7Round 9HAI LV TEAM231N♥4=-1
-0.8Round 2CHINA SMEG174♣♠J=-8
-0.8Round 4TEXAN ACES10Pass-3
-0.9Round 2CHINA SMEG193♦♠Q+1+0
-0.9Round 8SHAN FENG152♥♠K=+1
-1.0Round 3SUZHOU TAIHU252♥♦A-1-1
-1.0Round 6TIANJIN UNION283N♥4+1-1
-1.2Round 11YUNNAN DIKUANG132♥♠5=-1
-1.3Round 12MAHAFFEY304♥♦K-1-5
-1.4Round 8SHAN FENG113♣♦7+2-4
-1.5Round 4TEXAN ACES33N♦2+1+1
-1.5Round 9HAI LV TEAM302♠♣K+1+0
-1.6Round 2CHINA SMEG184♠♥A-1-4
-1.6Round 9HAI LV TEAM222♠♦6+3-6
-1.6Round 11YUNNAN DIKUANG184♣♠3-1-4
-1.8Round 6TIANJIN UNION241N♠K-1-5
-2.1Round 2CHINA SMEG161N♣10+1+0
-2.1Round 14POPOVA182♥♥4+2-6
-2.3Round 8SHAN FENG193♥♣3-1-5
-2.3Round 9HAI LV TEAM253N♠10-1-6
-2.4Round 11YUNNAN DIKUANG172♠♣Q=+0
-2.4Round 14POPOVA164♠♣6=+0
-2.6Round 4TEXAN ACES51N♦5=-5
-2.6Round 9HAI LV TEAM272♠♦9+1+0
-2.8Round 2CHINA SMEG123♥♦J-1-5
-2.8Round 12MAHAFFEY261N♦5+1-6
-2.9Round 11YUNNAN DIKUANG154♠♣A-1+2
-3.0Round 2CHINA SMEG132♠♣4=+1
-3.0Round 10POLISH SENIORS12♦x♦4-1-1
-3.1Round 4TEXAN ACES13♣♠10+1-1
-3.1Round 12MAHAFFEY274♥♦Q+1+5
-3.2Round 14POPOVA154♦♦J=-1
-3.3Round 3SUZHOU TAIHU303N♦5=+6
-3.4Round 8SHAN FENG123N♣10-2-6
-3.5Round 10POLISH SENIORS25♦♥K=+0
-3.5Round 12MAHAFFEY292♠♦K=-5
-3.6Round 11YUNNAN DIKUANG144♦♣5+1-15
-3.7Round 10POLISH SENIORS41N♦2=+0
-4.3Round 9HAI LV TEAM214♥♣A=-5
-4.8Round 10POLISH SENIORS72♦♠K=-11
-5.0Round 7XINYUANKONGGU86♥x♣A-2+0
-5.0Round 10POLISH SENIORS85♣♥Q-3-2
-5.3Round 6TIANJIN UNION216♥♣A-1-11
-6.1Round 7XINYUANKONGGU92♥♠8+3-13
-6.5Round 3SUZHOU TAIHU273N♥9=-7
-6.5Round 12MAHAFFEY243N♣4=-11
-6.8Round 11YUNNAN DIKUANG166N♠9-1-13
-7.6Round 12MAHAFFEY223N♥4+2-8
-7.7Round 14POPOVA146♠♥9=+10
-8.9Round 2CHINA SMEG156♥♦K-2-11
-9.0Round 7XINYUANKONGGU55♠x♦Q=-10