YEH Chen · YEH MIX

101rank
+4.5Butler · 14 bds
+0.32per board
±4.5swing
-1.29vs par /bd
-0.33adjusted /bd
Butler per round: -1.6 6.1by round

vs par split: bidding -1.21 · play -0.07

Strength of schedule: opponents averaged -0.66/bd (an easy draw) → opponent-adjusted -0.33/bd

Card play — on target: opening leads 50.0% · declarer play 50.0% · defence 80.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)0.0% (1)
Declarer play50.0% (2)50.0% (2)
Defence66.7% (3)100.0% (2)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 0.0% (1)

vs par by strain: NT -3.00 (6) · a suit +0.00 (8)

vs par by level: part-score -1.50 (6) · game +0.57 (7) · slam -13.00 (1)

By role: declaring +1.88/bd (-1.33 vs par · 9) · defending -2.48/bd (-1.20 vs par · 5)

By vulnerability: vulnerable +2.80/bd (-2.43 vs par · 7) · not vulnerable -2.16/bd (-0.14 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ZhangG.Deng – X.WuOpen7-1.6-0.23-0.14
Round 2Y.ZhangW.Wang – W.ZhangClosed7+6.1+0.87-2.43

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
+8.2Round 1CHONGQINGBANNAN24♥♦Q+1+0
+6.2Round 2SUZHOUTAIHU136♠♥4=-13
+4.3Round 1CHONGQINGBANNAN74♠♥7-1+6
+3.6Round 2SUZHOUTAIHU104♥♠K=+3
+3.0Round 1CHONGQINGBANNAN32♠♦J=+6
+2.8Round 2SUZHOUTAIHU123♠♦K=+1
+0.9Round 2SUZHOUTAIHU112NT♦2+2+2
-2.0Round 2SUZHOUTAIHU92♠♥8+2-1
-2.3Round 2SUZHOUTAIHU143NT♥8-1-4
-2.4Round 1CHONGQINGBANNAN54♠♠A-2-2
-2.5Round 1CHONGQINGBANNAN13NT♦10=+1
-3.1Round 1CHONGQINGBANNAN41NT♣A=-12
-3.1Round 2SUZHOUTAIHU81NT♠2-1-5
-9.1Round 1CHONGQINGBANNAN63NT♠A=+0