DUBININ Alexander · GROMOV

153rank
+40.2Butler · 110 bds
+0.37per board
±5.4swing
+0.36vs par /bd · #174/471
+0.50adjusted /bd
Butler per round: 1.6 3.4 1.3 10.2 3.1 32.9 6.3 -0 -23.1 3.5 1by round

vs par split: bidding +0.05 · play +0.32

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.50/bd

Card play — on target: opening leads 85.2% #89 of 469 · declarer play 87.1% #43 of 469 · defence 90.2% #70 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (8)94.7% (19)
Declarer play77.8% (9)90.9% (22)
Defence90.9% (11)90.0% (40)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (11) · ♦ 75.0% (4) · ♣ 57.1% (7)

vs par by strain: NT -0.46 (28) · a suit +0.65 (82)

vs par by level: part-score +1.26 (39) · game -0.13 (62) · slam -0.11 (9)

By role: declaring +1.45/bd (-0.58 vs par · 59) · defending -0.88/bd (+1.45 vs par · 51)

By vulnerability: vulnerable +0.62/bd (+0.73 vs par · 59) · not vulnerable +0.07/bd (-0.06 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3A.GromovR.Ritmeijer – M.TichaOpen10+1.6+0.16+0.20
Round 4A.GromovD.Zen – P.LauClosed10+3.4+0.34+2.30
Round 5A.GromovL.Gontha – D.HutaheanOpen10+1.3+0.13+1.70
Round 6A.GromovW.Tjetjep – T.JosephOpen10+10.2+1.02-1.30
Round 7A.GromovM.Hu – Y.LiuOpen10+3.1+0.31+0.40
Round 8A.GromovW.He – Z.JinOpen10+32.9+3.29+0.30
Round 9A.GromovD.Mulyadi – K.AkhmadOpen10+6.3+0.63+3.70
Round 10A.GromovD.Berkowitz – A.SontagOpen10-0.0-0.00+0.00
Round 12A.GromovM.Kamil – M.FleisherClosed10-23.1-2.31-0.50
Round 13A.GromovJ.Fritsche – R.RohowskyOpen10+3.5+0.35-0.90
Round 15A.GromovA.Sadhu – K.MukherjeeOpen10+1.0+0.10-1.90

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
+12.2Round 7SAIC VW44♥x♣5-3+12
+12.2Round 8JLLIN CRE8IVE114♥x♥2-5+5
+11.5Round 15DSM286♠♦J=+1
+9.7Round 5ASINDO INDONESIA153NT♣6=+10
+9.5Round 8JLLIN CRE8IVE144♥x♣3-3+9
+9.3Round 8JLLIN CRE8IVE164♥♣J-1+9
+9.0Round 10GORDON104♥♦4=+10
+8.8Round 3WHITE HOUSE296♠♥K=+0
+8.1Round 13DEUTSCHLAND53NT♦7=+0
+8.0Round 9BBO293NT♥9+4+11
+7.9Round 6GEOLOGI INDONESIA293NT♥3=+0
+7.7Round 8JLLIN CRE8IVE183NT♣5+1+0
+7.6Round 3WHITE HOUSE214♠♥Q=+11
+7.6Round 6GEOLOGI INDONESIA284♥♠2-1+10
+7.6Round 12FLEISHER223NT♠4+1+7
+6.6Round 4HONG KONG GEN X44♥♠7=+0
+6.3Round 9BBO233♠♥2=+13
+5.4Round 8JLLIN CRE8IVE194♠♣Q=-1
+5.4Round 10GORDON71NT♥5-3+4
+5.3Round 4HONG KONG GEN X54♠♠Q=+7
+5.2Round 13DEUTSCHLAND73NT♦2-2+8
+4.7Round 13DEUTSCHLAND106♣♦4=-2
+4.4Round 6GEOLOGI INDONESIA223♣♦A+2+6
+4.2Round 6GEOLOGI INDONESIA232♠♥7-3+5
+4.1Round 7SAIC VW22♠x♥5-2+2
+3.9Round 13DEUTSCHLAND14♠♣3+1+1
+3.5Round 5ASINDO INDONESIA174♥♠J+2+11
+3.4Round 3WHITE HOUSE233♣♥8=+9
+3.3Round 10GORDON42♥♥5=+0
+3.2Round 5ASINDO INDONESIA194♠♠A+1+1
+3.0Round 4HONG KONG GEN X22♠♥Q=+6
+2.6Round 9BBO252♥♥J+1+6
+2.4Round 8JLLIN CRE8IVE125♦♣J=-1
+2.4Round 9BBO244♠♥K=+0
+2.2Round 3WHITE HOUSE222♠♥J+2-8
+2.2Round 15DSM213♠♥A=+0
+2.0Round 13DEUTSCHLAND23NT♥2+1+1
+1.9Round 6GEOLOGI INDONESIA303♠♠J=+0
+1.9Round 7SAIC VW74♥♠5=+0
+1.9Round 15DSM234♠♦4-2+8
+1.8Round 10GORDON53NT♣4=-1
+1.7Round 10GORDON15♣♦K+1+11
+1.7Round 15DSM263♦♥A+1+0
+1.6Round 4HONG KONG GEN X32♥♠K=+0
+1.5Round 5ASINDO INDONESIA162♠♥8-1+0
+1.5Round 12FLEISHER232♣x♦Q-2+13
+1.5Round 12FLEISHER277NT♦5=+0
+1.4Round 6GEOLOGI INDONESIA273♥x♣4-1-5
+1.2Round 4HONG KONG GEN X84♠♥K-1+2
+1.2Round 7SAIC VW93♠♦Q=+0
+1.2Round 10GORDON93♦♥4+1+0
+0.9Round 5ASINDO INDONESIA182NT♦6-1+10
+0.9Round 7SAIC VW101NT♥10+1-1
+0.7Round 4HONG KONG GEN X73NT♥2=+1
+0.6Round 12FLEISHER254♥♠K=+0
+0.3Round 6GEOLOGI INDONESIA214♠♥5=-1
+0.3Round 7SAIC VW52♥♦9+1+0
+0.3Round 8JLLIN CRE8IVE201♥♥5+2+0
+0.2Round 7SAIC VW64♥♦5=-1
+0.1Round 15DSM303NT♣A+2-1
-0.2Round 9BBO302♠♥2-4+5
-0.5Round 3WHITE HOUSE304♥♣6+1+11
-0.5Round 5ASINDO INDONESIA203♦♣A=+0
-0.5Round 7SAIC VW32♥♥9+1+6
-0.8Round 3WHITE HOUSE243NT♥2=-1
-0.8Round 9BBO223♠♠4=+0
-0.9Round 10GORDON81NT♥7-1-2
-0.9Round 12FLEISHER213♣♥K=+0
-1.0Round 13DEUTSCHLAND83NT♥10+3-1
-1.1Round 3WHITE HOUSE264♥♦Q=+0
-1.2Round 9BBO211♠♥9=+2
-1.2Round 15DSM271NT♦5-1-4
-1.3Round 3WHITE HOUSE272NT♦A=+0
-1.3Round 4HONG KONG GEN X14♣♦A-1+6
-1.4Round 15DSM252♠♣A=+0
-1.5Round 3WHITE HOUSE253♠♥A=-6
-2.0Round 13DEUTSCHLAND94♠♣5=+1
-2.1Round 5ASINDO INDONESIA124♥♥4+1+0
-2.1Round 10GORDON64♥♦5+1-1
-2.2Round 4HONG KONG GEN X64♠♥4+2+10
-2.2Round 8JLLIN CRE8IVE153♦♥5-2+5
-2.4Round 4HONG KONG GEN X105♣♠3=-9
-2.4Round 9BBO274♥♣Q+2-11
-2.6Round 6GEOLOGI INDONESIA252♠♣A=-6
-2.6Round 9BBO286♥♥J=+11
-3.3Round 5ASINDO INDONESIA114NT♥8=+0
-3.3Round 12FLEISHER294NT♦9+1-12
-3.6Round 12FLEISHER243NT♦J-2+0
-4.1Round 8JLLIN CRE8IVE133♥♠2=-6
-4.2Round 15DSM245♦x♠Q-2-4
-4.5Round 13DEUTSCHLAND33NT♣8=+0
-4.6Round 13DEUTSCHLAND64♠♣K+2-17
-4.6Round 15DSM294♥♠2-2-8
-5.0Round 15DSM223NT♦10-2-11
-5.1Round 12FLEISHER306♠♠3=+0
-5.6Round 7SAIC VW15♦♠8=-3
-5.8Round 5ASINDO INDONESIA134♠x♥4-1-8
-5.8Round 5ASINDO INDONESIA144♥x♦6+1-7
-5.8Round 9BBO264♠♣9=+0
-6.2Round 6GEOLOGI INDONESIA264♠♥2+2-13
-7.0Round 10GORDON34♠♦Q-6-10
-7.6Round 8JLLIN CRE8IVE173NT♠2-2-17
-8.3Round 13DEUTSCHLAND43NT♠K=+0
-8.7Round 6GEOLOGI INDONESIA245♦x♠A-3-9
-9.1Round 4HONG KONG GEN X97♠♥2=+0
-10.1Round 12FLEISHER286♥♣2=+0
-11.3Round 12FLEISHER264♠♥4+1-13
-11.6Round 7SAIC VW86♠♣7=-11
-12.4Round 10GORDON23♣x♠A=-11
-15.2Round 3WHITE HOUSE284NTx♠5-5-14