YEH Chen · YEH MIX

540rank
-11.8Butler · 14 bds
-0.84per board
±4.5swing
-1.29vs par /bd
-1.17adjusted /bd
Butler per round: -17.5 5.7by round

vs par split: bidding -1.29 · play +0.00

Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted -1.17/bd

Card play — on target: opening leads 33.3% · declarer play 60.0% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)50.0% (2)
Declarer play·60.0% (5)
Defence100.0% (2)100.0% (3)

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

vs par by strain: NT -2.00 (4) · a suit -1.00 (10)

vs par by level: part-score +1.50 (6) · game -3.57 (7) · slam -2.00 (1)

By role: declaring -1.09/bd (-3.67 vs par · 9) · defending -0.40/bd (+3.00 vs par · 5)

By vulnerability: vulnerable -1.79/bd (-1.71 vs par · 7) · not vulnerable +0.10/bd (-0.86 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.ZhangJ.Chen – P.HuangClosed7-17.5-2.50-4.71
Round 3Y.ZhangH.Xue – K.CaiClosed7+5.7+0.81+2.14

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
+6.6Round 3BANK OF CHINA IN HAINAN202♥♦A-2+15
+5.4Round 3BANK OF CHINA IN HAINAN172NT♠K-3+7
+5.0Round 3BANK OF CHINA IN HAINAN166♦♥2=-2
+2.0Round 3BANK OF CHINA IN HAINAN152♠♦4=+0
+1.5Round 2P D TIMES82♠♦A-1-2
+1.1Round 2P D TIMES134♥♥2+1+0
+0.3Round 2P D TIMES114♠♥K+1-10
-1.2Round 3BANK OF CHINA IN HAINAN195♣♦2=+17
-3.4Round 2P D TIMES142♥♥4=-6
-4.3Round 2P D TIMES103NT♣8+2-1
-4.5Round 3BANK OF CHINA IN HAINAN182♥♥2-1-5
-5.8Round 2P D TIMES123NT♥A-3-4
-6.9Round 2P D TIMES93NT♦2-1-10
-7.6Round 3BANK OF CHINA IN HAINAN214♠♦K+2-17