ROSENBERG Kevin · SIVY A

85rank
-1.0Butler · 14 bds
-0.07per board
±2.5swing
-1.93vs par /bd
+0.33adjusted /bd
by round

vs par split: bidding -2.71 · play +0.79

Strength of schedule: opponents averaged +0.41/bd (a tough draw) → opponent-adjusted +0.33/bd

Card play — on target: opening leads 100.0% · declarer play 83.3% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (1)
Declarer play50.0% (2)100.0% (4)
Defence100.0% (1)100.0% (1)

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

vs par by strain: NT -2.71 (7) · a suit -1.14 (7)

vs par by level: part-score +2.00 (3) · game -3.30 (10) · slam +0.00 (1)

By role: declaring -0.62/bd (-3.42 vs par · 12) · defending +3.20/bd (+7.00 vs par · 2)

By vulnerability: vulnerable -1.03/bd (-3.43 vs par · 7) · not vulnerable +0.89/bd (-0.43 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32A.WildavskyX.Yu – S.ZhangClosed14-1.0-0.07-1.93

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
+5.2Round of 32SHANGHAILVCHENG25♦♥A-1+13
+1.7Round of 32SHANGHAILVCHENG116NT♣J=+0
+1.5Round of 32SHANGHAILVCHENG74♥♥2=-1
+1.3Round of 32SHANGHAILVCHENG84♠♥7+2-11
+1.2Round of 32SHANGHAILVCHENG61NT♥2=+1
+1.0Round of 32SHANGHAILVCHENG101NT♠7+1+0
+0.4Round of 32SHANGHAILVCHENG14♥♣K+1+0
+0.4Round of 32SHANGHAILVCHENG143NT♥3=-1
-0.0Round of 32SHANGHAILVCHENG41NT♠4=+5
+0.0Round of 32SHANGHAILVCHENG54♠♦10=+0
-2.3Round of 32SHANGHAILVCHENG34NT♠3+3-17
-2.8Round of 32SHANGHAILVCHENG124♠♠J-1-4
-3.8Round of 32SHANGHAILVCHENG95♣♦10-1-5
-4.8Round of 32SHANGHAILVCHENG133NT♣3-2-7