YEH Chen · YEH MIX

42rank
-59.5Butler · 16 bds
-3.72per board
±4.9swing
-4.31vs par /bd
-3.12adjusted /bd
by round

vs par split: bidding -2.60 · play -1.80

Strength of schedule: opponents averaged +0.59/bd (a tough draw) → opponent-adjusted -3.12/bd

Card play — on target: opening leads 100.0% · declarer play 42.9% · defence 71.4%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)100.0% (1)
Declarer play100.0% (1)33.3% (6)
Defence66.7% (3)75.0% (4)

Opening leads by suit led: ♥ 100.0% (2) · ♦ 100.0% (1)

vs par by strain: NT +3.25 (4) · a suit -7.18 (11)

vs par by level: part-score -1.40 (5) · game -5.90 (10)

By role: declaring -6.28/bd (-6.88 vs par · 8) · defending -1.14/bd (-1.57 vs par · 7)

By vulnerability: vulnerable -3.90/bd (-5.50 vs par · 8) · not vulnerable -3.54/bd (-3.12 vs par · 8)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalY.ZhangR.Ritmeijer – M.TichaClosed16-59.5-3.72-4.31

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
+6.9QuarterfinalWHITE HOUSE73NT♥Q-1+12
+1.1QuarterfinalWHITE HOUSE111NT♦K-2-1
+0.4QuarterfinalWHITE HOUSE45♥♦Q+1-13
-1.3QuarterfinalWHITE HOUSE12Pass-3
-1.4QuarterfinalWHITE HOUSE84♠♥5=-1
-1.7QuarterfinalWHITE HOUSE22♦x♠T-1-5
-1.7QuarterfinalWHITE HOUSE102NT♦4+4+3
-2.7QuarterfinalWHITE HOUSE33NT♥A+1-1
-2.9QuarterfinalWHITE HOUSE133♥♦J-2-7
-3.9QuarterfinalWHITE HOUSE154♥♣A-1-5
-4.3QuarterfinalWHITE HOUSE14♠x♦K=-12
-4.7QuarterfinalWHITE HOUSE144♥♦8+1-1
-9.4QuarterfinalWHITE HOUSE65♠♥J-2-13
-9.4QuarterfinalWHITE HOUSE94♠♥J-1-12
-12.1QuarterfinalWHITE HOUSE53♣x♦A-3+3
-12.4QuarterfinalWHITE HOUSE164♠♥A-2-13