DUBININ Alexander · RUSSIA

6rank
+114.5Butler · 90 bds
+1.27per board
±3.5swing
+1.30vs par /bd · #20/672
+1.26adjusted /bd
Butler per round: 0.4 32.5 4.4 11.2 9.1 2.5 5.5 18 30.9by round

vs par split: bidding +0.72 · play +0.87

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +1.26/bd

Card play — on target: opening leads 83.3% #279 of 671 · declarer play 86.7% #121 of 671 · defence 94.9% #33 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·83.3% (18)
Declarer play·86.7% (15)
Defence·94.9% (39)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (3) · ♦ 100.0% (5) · ♣ 66.7% (6)

vs par by strain: a suit +1.59 (68)

vs par by level: part-score +1.34 (29) · game +2.08 (36) · slam -2.00 (3)

By role: declaring +1.93/bd (-1.16 vs par · 38) · defending +0.79/bd (+3.10 vs par · 52)

By vulnerability: vulnerable +1.18/bd (+1.60 vs par · 45) · not vulnerable +1.36/bd (+1.00 vs par · 45)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2A.GromovA.Sementa – M.LavazzaClosed10+0.4+0.04+3.50
Round 5A.GromovF.Mayer – G.SooOpen10+32.5+3.25+3.80
Round 6A.GromovJ.Gueglio – R.MaffeiOpen10+4.4+0.44+1.50
Round 7A.GromovY.Shen – G.YuOpen10+11.2+1.12+2.50
Round 10A.GromovF.Multon – P.ZimmermannClosed10+9.1+0.91+2.30
Round 11A.GromovH.Shi – Z.ZhuangOpen10+2.5+0.25+0.10
Round 12A.GromovM.Jones – T.HanlonOpen10+5.5+0.55-0.30
Round 13A.GromovM.Bompis – J.QuantinOpen10+18.0+1.80-2.80
Round 15A.GromovG.Venkatesh – W.StuartOpen10+30.9+3.09+1.10

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
+11.4Round 15TEXAN ACES261Nx♠7+2+12
+10.4Round 5EGAN156♥♠K-2+14
+9.5Round 15TEXAN ACES256♠♣2=-9
+8.7Round 15TEXAN ACES242♣x♠7-3+11
+8.4Round 13ZALESKI86♠♦Q=-11
+7.8Round 5EGAN135♣x♠5=+8
+7.6Round 10ZIMMERMANN34♥♦K-2+8
+6.8Round 11CHINA SMEG166N♦9-1+13
+6.6Round 12JACKSON284♠♦K=+5
+5.7Round 5EGAN162N♦9-1+6
+5.5Round 13ZALESKI63N♥6+1-11
+5.3Round 7CHINA LIGHT INDUSTRY85♣x♥Q-2+12
+4.8Round 6PALERMO223♠♠2-1+0
+4.8Round 13ZALESKI103N♥K-1+6
+4.7Round 7CHINA LIGHT INDUSTRY55♠x♦Q-1+7
+4.4Round 12JACKSON293♠♥Q=+6
+4.4Round 15TEXAN ACES213N♣Q-1+5
+4.2Round 5EGAN113♣♠7=+0
+4.1Round 13ZALESKI24♥♦7+1+0
+3.9Round 2LAVAZZA145♦♠2+2+18
+3.2Round 10ZIMMERMANN22♣♥4-1+7
+3.1Round 12JACKSON274♥♦Q+1-5
+2.9Round 5EGAN172♠♦5=+6
+2.9Round 6PALERMO264♠♥Q+2+6
+2.9Round 11CHINA SMEG154♠♣A-1-2
+2.8Round 2LAVAZZA113N♥4-1+5
+2.6Round 6PALERMO253♥♥7-1+6
+2.4Round 10ZIMMERMANN12N♦A-2+5
+2.4Round 11CHINA SMEG172♠♣Q=+0
+2.3Round 5EGAN184♠♣A-1+5
+2.3Round 12JACKSON264♥♣8-1+6
+2.1Round 15TEXAN ACES273♥♠2=+0
+2.0Round 15TEXAN ACES282♠♣7=+0
+1.9Round 7CHINA LIGHT INDUSTRY74♠♦K-1+6
+1.8Round 7CHINA LIGHT INDUSTRY94♥♥10+3-10
+1.5Round 13ZALESKI53N♠6+3-12
+1.3Round 12JACKSON304♥♦A-1+5
+1.2Round 11CHINA SMEG132♥♣4=+1
+1.1Round 2LAVAZZA162♦♠9=-1
+1.1Round 6PALERMO231♣♦4+1+2
+1.0Round 6PALERMO283N♥10+1+1
+1.0Round 10ZIMMERMANN42♠♦8-1+5
+0.9Round 2LAVAZZA194♦♣4=+0
+0.9Round 5EGAN143Nx♠Q-1+0
+0.8Round 11CHINA SMEG203N♠4+4-12
+0.8Round 12JACKSON224♣♥K=+0
+0.7Round 2LAVAZZA203N♣4+2+13
+0.6Round 5EGAN204♠♣A=-1
+0.5Round 10ZIMMERMANN64♠♣A=+0
+0.3Round 5EGAN122♦♦10-1+1
+0.3Round 7CHINA LIGHT INDUSTRY102♥♦K=+1
+0.3Round 10ZIMMERMANN54♠♥7+2+11
+0.2Round 6PALERMO274♥♦K-1+5
+0.0Round 7CHINA LIGHT INDUSTRY31N♣A-2+9
+0.0Round 10ZIMMERMANN102♠♣5=+0
-0.0Round 13ZALESKI94♠♥2+1+0
-0.1Round 2LAVAZZA173♠♣5-2+7
-0.1Round 7CHINA LIGHT INDUSTRY14♥♣A=-1
-0.2Round 10ZIMMERMANN71N♦7=-9
-0.2Round 11CHINA SMEG194♠♥K=+0
-0.2Round 13ZALESKI33N♥J+1-1
-0.2Round 15TEXAN ACES224♠♠2+1-5
-0.4Round 6PALERMO303N♠2-1-5
-0.5Round 12JACKSON235♦♠6-1-6
-0.8Round 7CHINA LIGHT INDUSTRY44♥♣4+1+0
-0.8Round 12JACKSON253N♥5+2-6
-0.9Round 6PALERMO292♦♣3+1+0
-0.9Round 7CHINA LIGHT INDUSTRY64♥♥6+1+0
-1.0Round 7CHINA LIGHT INDUSTRY22♠♠A-1+1
-1.0Round 15TEXAN ACES294♠♣A=+0
-1.2Round 13ZALESKI14♠♥Q=+0
-1.2Round 15TEXAN ACES231N♥2-1-5
-1.3Round 13ZALESKI74♥♣A+1+0
-1.5Round 11CHINA SMEG123♥♦A-3-10
-1.7Round 2LAVAZZA154♥♦K+1+0
-1.8Round 2LAVAZZA123♥♦J=+0
-1.8Round 6PALERMO241N♠K=+1
-2.0Round 11CHINA SMEG145♦♥K=+14
-2.2Round 2LAVAZZA131N♦10+1-6
-2.6Round 5EGAN192♥♣6+1-1
-2.6Round 10ZIMMERMANN83♠♥4-1+1
-3.1Round 10ZIMMERMANN94♠x♥3-3-5
-3.2Round 2LAVAZZA183♠♦7=-1
-3.4Round 11CHINA SMEG113N♥2+1+0
-3.6Round 13ZALESKI44♠♣J=+1
-4.5Round 11CHINA SMEG183♠x♥6-1-3
-4.8Round 15TEXAN ACES304♥♦10=+2
-5.1Round 6PALERMO214♥♣A+2-1
-5.4Round 12JACKSON243♠♣7=+0
-6.3Round 12JACKSON214♥♠8=-8