YEH Chen · YEH BROS

2rank
+42.5Butler · 20 bds
+2.12per board
±4.5swing
+1.80vs par /bd
+1.78adjusted /bd
Butler per round: 6.7 35.8by round

vs par split: bidding +2.10 · play -0.30

Strength of schedule: opponents averaged -0.35/bd (an easy draw) → opponent-adjusted +1.78/bd

Card play — on target: opening leads 75.0% · declarer play 60.0% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads·75.0% (4)
Declarer play100.0% (2)33.3% (3)
Defence100.0% (1)100.0% (8)

Opening leads by suit led: ♥ 100.0% (1) · ♦ 50.0% (2) · ♣ 100.0% (1)

vs par by strain: NT -0.33 (3) · a suit +2.18 (17)

vs par by level: part-score +6.33 (3) · game +2.93 (14) · slam -8.00 (3)

By role: declaring +2.14/bd (-0.64 vs par · 11) · defending +2.11/bd (+4.78 vs par · 9)

By vulnerability: vulnerable +2.63/bd (+0.78 vs par · 9) · not vulnerable +1.71/bd (+2.64 vs par · 11)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 6Y.ZhangH.Melbourne – B.TravisOpen10+6.7+0.67-1.20
Round 11Y.ZhangM.Hu – Y.LiuOpen10+35.8+3.58+4.80

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
+14.2Round 11SAIC RED203♠x♦K=+14
+10.4Round 6SYDNEY294♠♥4=+13
+6.5Round 11SAIC RED184♥♦7-1+12
+5.7Round 11SAIC RED154♠♣K-1+10
+4.1Round 11SAIC RED174♠♥6-1+10
+3.2Round 6SYDNEY256♠x♦A-3+0
+2.9Round 11SAIC RED113NT♠10-1+5
+2.8Round 11SAIC RED134♠♥5+1+4
+2.6Round 11SAIC RED144♥♣K-1+4
+2.0Round 6SYDNEY266♥♣K=-13
+1.9Round 6SYDNEY273♦♠K-1+4
+0.9Round 6SYDNEY213NT♥7=+0
+0.7Round 11SAIC RED123♠♥J=+1
-0.4Round 6SYDNEY224♥♦K+1+8
-0.5Round 6SYDNEY244♥♦4+1+0
-1.3Round 11SAIC RED194♠♥Q=+0
-2.2Round 6SYDNEY306♥♠4+1-11
-2.4Round 11SAIC RED164♥♣J-1-12
-3.8Round 6SYDNEY283NT♦4-2-6
-4.8Round 6SYDNEY234♥♠J-2-7