GROMOV Andrey · ERA

288rank
-31.5Butler · 42 bds
-0.75per board
±4.5swing
-0.29vs par /bd
-1.16adjusted /bd
Butler per round: -31.5 -31.5 -31.5by round

vs par split: bidding +0.29 · play -0.57

Strength of schedule: opponents averaged -0.41/bd (an easy draw) → opponent-adjusted -1.16/bd

Card play — on target: opening leads 75.0% · declarer play 56.2% · defence 94.4%

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)77.8% (9)
Declarer play60.0% (5)54.5% (11)
Defence100.0% (5)92.3% (13)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (1) · ♦ 75.0% (4) · ♣ 50.0% (2)

vs par by strain: NT +0.46 (11) · a suit -0.55 (31)

vs par by level: part-score -0.14 (21) · game -1.22 (18) · slam +4.33 (3)

By role: declaring -0.97/bd (-1.58 vs par · 24) · defending -0.45/bd (+1.44 vs par · 18)

By vulnerability: vulnerable -1.16/bd (+0.29 vs par · 21) · not vulnerable -0.34/bd (-0.86 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64A.DubininA.Wildavsky – H.WeinsteinClosed14-26.7-1.91-0.36
Round of 64A.DubininJ.Lilienstein – M.PolowanOpen14-10.4-0.74-0.79
Round of 64A.DubininH.Weinstein – A.WildavskyOpen14+5.6+0.40+0.29

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
+10.2Round of 64LILIENSTEIN483NT♠5-1+16
+6.0Round of 64LILIENSTEIN236♦♠2-1+13
+4.4Round of 64LILIENSTEIN493♥♥Q=+11
+4.3Round of 64LILIENSTEIN373♠♣9-2+3
+3.9Round of 64LILIENSTEIN362♦♦4-3+2
+3.2Round of 64LILIENSTEIN445♦x♥K-3+0
+3.0Round of 64LILIENSTEIN334♣♠A=+1
+3.0Round of 64LILIENSTEIN544♠♠4+1+0
+2.9Round of 64LILIENSTEIN153♠♦A-1+5
+2.8Round of 64LILIENSTEIN353♠♦5=+7
+2.8Round of 64LILIENSTEIN392♥♠6+1+0
+2.4Round of 64LILIENSTEIN502♥♣9+1+6
+2.2Round of 64LILIENSTEIN471NT♦2-2+2
+0.6Round of 64LILIENSTEIN201NT♠8+1+1
+0.4Round of 64LILIENSTEIN194♠♥Q+1+0
+0.4Round of 64LILIENSTEIN223NT♣6=-1
+0.2Round of 64LILIENSTEIN451NT♥J+1-1
+0.2Round of 64LILIENSTEIN533NT♠2+1+0
+0.1Round of 64LILIENSTEIN181NT♣Q+1-1
+0.1Round of 64LILIENSTEIN304♠♦Q=+0
+0.0Round of 64LILIENSTEIN175♦♣K-1+2
-0.1Round of 64LILIENSTEIN384♥♣J+1+0
-0.2Round of 64LILIENSTEIN294♠♥K=+0
-0.7Round of 64LILIENSTEIN412♠♠10+2-1
-0.7Round of 64LILIENSTEIN524♠♥2+1+0
-0.8Round of 64LILIENSTEIN432♦♠9+2-5
-0.9Round of 64LILIENSTEIN253♥♦K=+0
-0.9Round of 64LILIENSTEIN563NT♠6=+0
-1.3Round of 64LILIENSTEIN272NT♠4=+5
-2.1Round of 64LILIENSTEIN553♦♥6-1-9
-3.2Round of 64LILIENSTEIN283NT♠4-2-11
-3.6Round of 64LILIENSTEIN345♠♦J-3-11
-3.6Round of 64LILIENSTEIN422♠♦3-1-5
-4.0Round of 64LILIENSTEIN242NT♠8-1-5
-4.2Round of 64LILIENSTEIN324♦♦2=-7
-4.3Round of 64LILIENSTEIN514♠♣4+1-4
-4.7Round of 64LILIENSTEIN315♦♠J=+0
-5.9Round of 64LILIENSTEIN214♠x♥8-3+0
-9.0Round of 64LILIENSTEIN166♦♠K=+0
-10.2Round of 64LILIENSTEIN406♠♥J=+0
-11.4Round of 64LILIENSTEIN463♥x♠9-2-12
-12.8Round of 64LILIENSTEIN264♠♦K-1-13