ZHANG Xiaomin · CHINA PETROLEUM SPORTS ASSCCIA

62rank
+11.9Butler · 21 bds
+0.57per board
±5.6swing
-0.33vs par /bd
+0.92adjusted /bd
Butler per round: 22.7 -4.5 -6.3by round

vs par split: bidding -0.52 · play +0.19

Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted +0.92/bd

Card play — on target: opening leads 100.0% · declarer play 100.0% · defence 90.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (4)
Declarer play100.0% (1)100.0% (2)
Defence100.0% (1)90.0% (10)

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

vs par by strain: NT +1.00 (4) · a suit -0.65 (17)

vs par by level: part-score -1.80 (5) · game -0.73 (15) · slam +13.00 (1)

By role: declaring -0.11/bd (-3.30 vs par · 10) · defending +1.18/bd (+2.36 vs par · 11)

By vulnerability: vulnerable -0.03/bd (-0.10 vs par · 10) · not vulnerable +1.11/bd (-0.55 vs par · 11)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.YaoG.Mcmullin – S.NystromClosed7+22.7+3.24+1.86
Round 3J.YaoF.Xu – H.JiangClosed7-4.5-0.64-3.57
Round 4J.YaoB.Zhang – N.WangClosed7-6.3-0.90+0.71

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
+11.7Round 2MCMULLIN136♠♦A-2+13
+8.0Round 2MCMULLIN124♥♥6-1+10
+7.8Round 3GSRC & S UNITED184♠♣Q=-1
+7.7Round 2MCMULLIN83♠♦A=+6
+5.2Round 4SHENZHEN NANGANG POWER274♠x♥3-2+9
+4.3Round 4SHENZHEN NANGANG POWER242NT♠J-2+5
+2.5Round 3GSRC & S UNITED193NT♦4+1+1
+2.0Round 4SHENZHEN NANGANG POWER255♦♠A-1+6
+1.4Round 4SHENZHEN NANGANG POWER233NT♠10=+0
+1.1Round 4SHENZHEN NANGANG POWER224♠♦A+1+0
+0.4Round 2MCMULLIN144♠♣J+3-14
-1.1Round 3GSRC & S UNITED203NT♦Q=-2
-1.3Round 2MCMULLIN92♦♣Q-2+2
-1.4Round 2MCMULLIN115♦x♥A-2-4
-1.5Round 3GSRC & S UNITED214♥♦10+1+0
-2.4Round 2MCMULLIN104♠♦7+1+0
-2.6Round 3GSRC & S UNITED162♠♦2=-11
-3.9Round 3GSRC & S UNITED154♠♦Q-1-6
-5.7Round 3GSRC & S UNITED174♥♦2-2-6
-9.0Round 4SHENZHEN NANGANG POWER265♣x♣2+1-4
-11.3Round 4SHENZHEN NANGANG POWER282♣x♥6-2-11