ChessBites - Player Information and Statistics

Player Profile

Player:

(Eg: Carlsen,Magnus)

Kogan, Boris Markovich



Years:	1959-1987
Number of games:	261
Number of wins:	75
Number of draws:	97
Number of losses:	89
White score:	70/125 (56% - Average Elo: 2492.5)
Black score:	53½/136 (39.34% - Average Elo: 2482.4)

Rating progression

Games
White wins
White draws
White losses
Black wins
Black draws
Black losses

Top wins

Kogan, Boris Markovich (2465) - Christiansen, Larry Mark (2560), USA-ch, Estes Park (A35) - 1986

Kogan, Boris Markovich - Christiansen, Larry Mark (2550), USA-ch, Berkeley (A49) - 1984

Kogan, Boris Markovich - Ivanov, Igor Vasilievich (2550), New York International, New York (D77) - 1984

Kavalek, Lubomir (2550) - Kogan, Boris Markovich, USA-chZonal, South Bend (C19) - 1981

Gurevich, Dmitry (2545) - Kogan, Boris Markovich (2460), USA-ch, Estes Park (E18) - 1987

Spraggett, Kevin (2540) - Kogan, Boris Markovich, New York International, New York (A26) - 1984

Kogan, Boris Markovich - ? (90)

Christiansen, Larry Mark (3½/5)

Seirawan, Yasser (1½/5)

Alburt, Lev O (2/4)

Benjamin, Joel (1½/4)

Browne, Walter Shawn (2½/4)

Fedorowicz, John P (1½/4)

Kudrin, Sergey (3/4)

De Firmian, Nick E (1½/3)

Tarjan, James Edward (1/3)

Berezhnoy, Viktor (½/2)

Burger, Karl (½/2)

Dlugy, Maxim (1½/2)

Gulko, Boris F (½/2)

Kostiuchenko, Alexander I (1/2)

Sakharov, Yuri N (0/2)

Tukmakov, Vladimir B (1/2)

Zilberman, Nathan R (1½/2)

Aginsky, N (1/1)

Atamanov, VD (½/1)

Bagirov, Vladimir (0/1)

Bakulin, Nikolay I (½/1)

Bannik, Anatolij (0/1)

Blocker, Calvin (1/1)

Breitman, V (1/1)

Bukhover, Alik (1/1)

Buturin, Vladimir (½/1)

Byrne, Robert Eugene (1/1)

Cesnauskas, Algimantas (1/1)

Dementiev, Oleg I (1/1)

Erlingsson, Jonas Petur (1/1)

Forintos, Gyozo Victor (½/1)

Galakhov, Sergey (1/1)

Gershman, Semion Yakovlevich (½/1)

Gindin, Efim (0/1)

Goldstein (1/1)

Gruenberg, Rainer (½/1)

Gufeld, Eduard (½/1)

Gurgenidze, Bukhuti (½/1)

Ivanenko, Bogdan (1/1)

Ivanov, Igor Vasilievich (1/1)

Ivkov, Borislav (½/1)

Jussupow, Artur (½/1)

Karasev, Vladimir I (1/1)

Kavalek, Lubomir (½/1)

Kholmov, Ratmir D (½/1)

Kirillov, Valentins (1/1)

Kots, Yury Isakovich (0/1)

Kristjansson, Olafur (1/1)

Kuindzhy, Alexander (0/1)

Kurass, Yacov (0/1)

Lazarev, Efim M (0/1)

Lein, Anatoly (½/1)

Levitsky, SV (1/1)

Makogonov, Vladimir Andreevich (½/1)

Marantz, Michael (1/1)

Martinovsky, Eugene Simeon (0/1)

Mateo, Ramon (1/1)

Morgulov, Alexsander M (1/1)

Murey, Jacob (1/1)

Novopashin, Arkady (½/1)

Pelts, Roman (½/1)

Peters, Jack (½/1)

Platonov, Igor V (0/1)

Romanovsky, Rem Konstantinovich (0/1)

Root, Douglas (½/1)

Rotstein, Jefim (1/1)

Sahovic, Dragutin (½/1)

Schussler, Harry (0/1)

Shatskes, Boris A (1/1)

Shidkov, VS (1/1)

Shirazi, Kamran (0/1)

Shmit, Anatoly (1/1)

Sokolov, Sergey Mironovich (1/1)

Soltis, Andrew E (1/1)

Stetsko, Oleg (½/1)

Suetin, Alexey S (½/1)

Tal, Mihail (½/1)

Tokarev, VA (1/1)

Tseitlin, Mark D (1/1)

Vaganian, Rafael A (½/1)

Van Tilbury, Craig (1/1)

Vasilchuk, Yury (1/1)

Whitehead, Jay E (1/1)

Wilder, Michael (0/1)

Yukhtman, Jacob (0/1)

Zaid, Leonid D (½/1)

Zaitsev, Igor A (1/1)

Zakharov, Alexander V (½/1)

Zhidkov, Valery S (0/1)

Zimin, Yuri A (1/1)

? - Kogan, Boris Markovich (98)

Gurevich, Dmitry (3/6)

Kavalek, Lubomir (1½/4)

Alburt, Lev O (1/3)

Browne, Walter Shawn (1½/3)

Gutman, Lev (½/3)

Levin, Naum L (1½/3)

Savon, Vladimir A (½/3)

Shianovsky, Vladislav I (1½/3)

Shirazi, Kamran (1/3)

Benjamin, Joel (0/2)

Christiansen, Larry Mark (½/2)

De Firmian, Nick E (1/2)

Dlugy, Maxim (0/2)

Dzindzichashvili, Roman (1/2)

Fedorowicz, John P (½/2)

Gufeld, Eduard (½/2)

Kudrin, Sergey (½/2)

Lein, Anatoly (1/2)

Nikolaevsky, Yuri V (½/2)

Reshevsky, Samuel Herman (½/2)

Rohde, Michael A (½/2)

Seirawan, Yasser (0/2)

Whitehead, Jay E (1½/2)

Yukhtman, Jacob (0/2)

Zilberstein, Valery I (1½/2)

Adianto, Utut (0/1)

Adorjan, Andras (½/1)

Angantysson, Haukur (1/1)

Bagirov, Vladimir (½/1)

Baikov, Vladimir A (0/1)

Bannik, Anatolij (0/1)

Baranov, Boris Fedorovich (1/1)

Bradford, Joseph M (½/1)

Bykhovsky, Anatoly A (0/1)

Byrne, Robert Eugene (½/1)

Chebanenko, Vecheslav (0/1)

Dehmelt, Karl (0/1)

Dikarev, BI (0/1)

Dorfman, Josif D (0/1)

Gershman, Semion Yakovlevich (1/1)

Grigorian, Levon Ashotovich (1/1)

Grokhotov, Vladimir T (½/1)

Gudmundsson, Elvar (½/1)

Gulko, Boris F (0/1)

Gurevich, Viktor (0/1)

Gurgenidze, Bukhuti (1/1)

Helmers, Knut Jaran (1/1)

Henley, Ron W (½/1)

Hoi, Carsten (1/1)

Ivanenko, Bogdan (½/1)

Ivanov, Igor Vasilievich (1/1)

Johannesson, Larus (1/1)

Kalashnikov, Georgy (0/1)

Kapengut, Albert Z (1/1)

Kolpakov, Mikhail (0/1)

Kondratiev, Pavel E (0/1)

Kots, Yury Isakovich (1/1)

Kozlov, Vladimir (0/1)

Kupreichik, Viktor D (0/1)

Kuzmin, Gennadi P (½/1)

Lazarev, Efim M (1/1)

Lenchiner, Isaak Iosifovich (1/1)

Leonidov, Vladimir (0/1)

Levitsky, SV (0/1)

Loktiev, Ivan (1/1)

Lukovnikov, Alexander (0/1)

McCambridge, Vincent (1/1)

Miles, Anthony John (0/1)

Pelts, Roman (½/1)

Peters, Jack (1/1)

Platonov, Igor V (0/1)

Podgaets, Mikhail (1/1)

Portisch, Lajos (0/1)

Pushkar, Viktor (1/1)

Ramayrat, Cris (½/1)

Romanovsky, Rem Konstantinovich (½/1)

Rostovtsev, Yuri (1/1)

Rotstein, Jefim (½/1)

Sakharov, Yuri N (0/1)

Schinzel, Wladyslaw (0/1)

Shamkovich, Leonid Alexandrovic (0/1)

Soltis, Andrew E (0/1)

Sosonko, Gennadi (0/1)

Spraggett, Kevin (1/1)

Steinberg, Mikhail (1/1)

Sveshnikov, Evgeny (0/1)

Tal, Mihail (0/1)

Telman, Valeri (½/1)

Tseitlin, Mark D (0/1)

Tukmakov, Vladimir B (½/1)

Vaysman, Alexander N (0/1)

Wilder, Michael (0/1)

Wolff, Patrick G (½/1)

Yedidia, Jonathan (1/1)

Yoffie, Marc (1/1)

Zamikhovsky, Abram Davidovich (½/1)

Zdanovs, Igors (½/1)

Zhidkov, Valery S (0/1)

Openings played as White (72)

A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo: 2524.5
Result: 5½/10 = 55%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2500
Result: 4/9 = 44.44%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2522.5
Result: 4/6 = 66.67%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 2540
Result: 3½/4 = 87.5%

A43 Old Benoni (1.d4 c5)
Average Elo: 2523.33
Result: 1½/3 = 50%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 2463.33
Result: 1/3 = 33.33%

E05 Catalan, Open, Classical line (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7)
Average Elo: 2478.33
Result: 1½/3 = 50%

E67 King's Indian, Fianchetto (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7)
Average Elo: 2515
Result: 1/3 = 33.33%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 2485
Result: 2½/3 = 83.33%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2512.5
Result: 2/3 = 66.67%

E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6)
Average Elo: 0
Result: 2/3 = 66.67%

E02 Catalan, Open, 5.Qa4 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+)
Average Elo: 2388.33
Result: 2½/3 = 83.33%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 2475
Result: 1½/2 = 75%

D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2)
Average Elo: 0
Result: 1/2 = 50%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2497.5
Result: 1/2 = 50%

D23 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6)
Average Elo: 2305
Result: 1½/2 = 75%

D32 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5)
Average Elo: 2475
Result: 1/2 = 50%

A49 King's Indian, Fianchetto without c4 (1.d4 Nf6 2.Nf3 g6 3.g3)
Average Elo: 2557.5
Result: 1/2 = 50%

A32 English, Symmetrical Variation (1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6)
Average Elo: 0
Result: 1½/2 = 75%

D93 Grunfeld, with Bf4 & e3 (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3)
Average Elo: 2255
Result: ½/2 = 25%

E80 King's Indian, Samisch Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3)
Average Elo: 2400
Result: 1½/2 = 75%

E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo: 2520
Result: 1/2 = 50%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 2605
Result: 1/2 = 50%

A56 Benoni Defense (1.d4 Nf6 2.c4 c5)
Average Elo: 0
Result: ½/2 = 25%

A17 English (1.c4 Nf6 2.Nc3 e6)
Average Elo: 0
Result: 1/1 = 100%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 2560
Result: 0/1 = 0%

D41 Queen's Gambit Declined, Semi-Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5)
Average Elo: 2525
Result: ½/1 = 50%

E46 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O)
Average Elo: 0
Result: ½/1 = 50%

A25 English (1.c4 e5 2.Nc3 Nc6)
Average Elo: 2495
Result: 0/1 = 0%

A52 Budapest Gambit (1.d4 Nf6 2.c4 e5 3.dxe5 Ng4)
Average Elo: 0
Result: ½/1 = 50%

E40 Nimzo-Indian, 4.e3 (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3)
Average Elo: 0
Result: 1/1 = 100%

A05 Reti Opening (1.Nf3 Nf6)
Average Elo: 2555
Result: ½/1 = 50%

E04 Catalan, Open, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3)
Average Elo: 2585
Result: ½/1 = 50%

A23 English, Bremen System, Keres Variation (1.c4 e5 2.Nc3 Nf6 3.g3 c6)
Average Elo: 0
Result: 1/1 = 100%

A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo: 2560
Result: 1/1 = 100%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 2540
Result: ½/1 = 50%

D31 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3)
Average Elo: 0
Result: 1/1 = 100%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 2485
Result: ½/1 = 50%

E06 Catalan, Closed, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3)
Average Elo: 2225
Result: 1/1 = 100%

A47 Queen's Indian (1.d4 Nf6 2.Nf3 b6)
Average Elo: 2525
Result: 0/1 = 0%

A04 Reti Opening (1.Nf3)
Average Elo: 2410
Result: ½/1 = 50%

E43 Nimzo-Indian, Fischer Variation (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6)
Average Elo: 0
Result: ½/1 = 50%

D91 Grunfeld, 5.Bg5 (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5)
Average Elo: 0
Result: ½/1 = 50%

D77 Neo-Grunfeld, 6.O-O (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O)
Average Elo: 2550
Result: 1/1 = 100%

D12 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5)
Average Elo: 0
Result: ½/1 = 50%

B06 Robatsch (1.e4 g6)
Average Elo: 0
Result: ½/1 = 50%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 0
Result: 1/1 = 100%

D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo: 2505
Result: ½/1 = 50%

D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo: 0
Result: 0/1 = 0%

E20 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4)
Average Elo: 2490
Result: ½/1 = 50%

B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4)
Average Elo: 0
Result: 1/1 = 100%

C00 French Defense (1.e4 e6)
Average Elo: 0
Result: ½/1 = 50%

E16 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+)
Average Elo: 2395
Result: 1/1 = 100%

D72 Neo-Grunfeld, 5.cd, Main line (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2)
Average Elo: 0
Result: 0/1 = 0%

A42 Modern Defense, Averbakh System (1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo: 0
Result: 1/1 = 100%

A10 English (1.c4)
Average Elo: 2450
Result: ½/1 = 50%

D08 Queen's Gambit Declined, Albin Counter Gambit (1.d4 d5 2.c4 e5)
Average Elo: 0
Result: 0/1 = 0%

D03 Torre Attack (Tartakower Variation) (1.d4 d5 2.Nf3 Nf6 3.Bg5)
Average Elo: 2455
Result: 0/1 = 0%

E39 Nimzo-Indian, Classical, Pirc Variation (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O)
Average Elo: 2555
Result: 0/1 = 0%

A07 King's Indian Attack (1.Nf3 d5 2.g3)
Average Elo: 2560
Result: ½/1 = 50%

E89 King's Indian, Samisch, Orthodox Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Nge2 cxd5)
Average Elo: 0
Result: 1/1 = 100%

E62 King's Indian, Fianchetto (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3)
Average Elo: 2450
Result: 0/1 = 0%

C07 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 c5)
Average Elo: 0
Result: ½/1 = 50%

D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6)
Average Elo: 0
Result: ½/1 = 50%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 2535
Result: 0/1 = 0%

D85 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5)
Average Elo: 2565
Result: ½/1 = 50%

A13 English (1.c4 e6)
Average Elo: 2570
Result: ½/1 = 50%

D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo: 0
Result: 1/1 = 100%

E00 Queen's Pawn Game (1.d4 Nf6 2.c4 e6)
Average Elo: 2415
Result: 1/1 = 100%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 0
Result: ½/1 = 50%

E85 King's Indian, Samisch, Orthodox Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5)
Average Elo: 2520
Result: 1/1 = 100%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 0
Result: 0/1 = 0%

Openings played as Black (85)

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2492.5
Result: 2½/9 = 27.78%

B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7)
Average Elo: 0
Result: 3/4 = 75%

D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo: 2495
Result: 3/4 = 75%

D43 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6)
Average Elo: 2570
Result: 1½/4 = 37.5%

B15 Caro-Kann (1.e4 c6 2.d4 d5 3.Nc3)
Average Elo: 0
Result: ½/3 = 16.67%

A05 Reti Opening (1.Nf3 Nf6)
Average Elo: 2355
Result: 1½/3 = 50%

D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2)
Average Elo: 2482.5
Result: 1½/3 = 50%

C07 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 c5)
Average Elo: 2510
Result: 0/3 = 0%

D15 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3)
Average Elo: 2493.33
Result: 2/3 = 66.67%

C79 Ruy Lopez, Steinitz Defense Deferred (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6)
Average Elo: 2440
Result: 1½/3 = 50%

C42 Petrov Defense (1.e4 e5 2.Nf3 Nf6)
Average Elo: 2438.33
Result: 2/3 = 66.67%

D60 Queen's Gambit Declined, Orthodox Defense (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7)
Average Elo: 2520
Result: 1½/3 = 50%

D24 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3)
Average Elo: 0
Result: 1/2 = 50%

D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo: 0
Result: ½/2 = 25%

B82 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4)
Average Elo: 0
Result: 1/2 = 50%

A55 Old Indian, Main line (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4)
Average Elo: 2520
Result: ½/2 = 25%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: 1/2 = 50%

B81 Sicilian, Scheveningen, Keres Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4)
Average Elo: 2355
Result: 0/2 = 0%

B95 Sicilian, Najdorf, 6...e6 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6)
Average Elo: 0
Result: 1/2 = 50%

E64 King's Indian, Fianchetto, Yugoslav System (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5)
Average Elo: 0
Result: 2/2 = 100%

E14 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3)
Average Elo: 2460
Result: 0/2 = 0%

D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo: 2320
Result: 1/2 = 50%

B89 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3)
Average Elo: 2325
Result: 0/2 = 0%

C16 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5)
Average Elo: 2505
Result: ½/2 = 25%

A21 English (1.c4 e5 2.Nc3)
Average Elo: 2487.5
Result: 1/2 = 50%

E90 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3)
Average Elo: 2455
Result: 1½/2 = 75%

D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5)
Average Elo: 2520
Result: 1/2 = 50%

E07 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7)
Average Elo: 2560
Result: ½/2 = 25%

D10 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6)
Average Elo: 2572.5
Result: 0/2 = 0%

C75 Ruy Lopez, Modern Steinitz Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7)
Average Elo: 2510
Result: ½/2 = 25%

B80 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6)
Average Elo: 0
Result: 0/1 = 0%

D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3)
Average Elo: 0
Result: ½/1 = 50%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 0
Result: ½/1 = 50%

E82 King's Indian, Samisch, double Fianchetto Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6)
Average Elo: 0
Result: ½/1 = 50%

B88 Sicilian, Fischer-Sozin Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6)
Average Elo: 0
Result: 0/1 = 0%

E91 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2)
Average Elo: 0
Result: 0/1 = 0%

B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4)
Average Elo: 0
Result: ½/1 = 50%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 0
Result: 0/1 = 0%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 0
Result: 0/1 = 0%

D01 Richter-Veresov Attack (1.d4 d5 2.Nc3 Nf6 3.Bg5)
Average Elo: 0
Result: 0/1 = 0%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 0
Result: 0/1 = 0%

E77 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2)
Average Elo: 0
Result: 1/1 = 100%

B84 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6)
Average Elo: 0
Result: 0/1 = 0%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 0
Result: ½/1 = 50%

B36 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4)
Average Elo: 0
Result: 1/1 = 100%

D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo: 0
Result: 0/1 = 0%

A15 English (1.c4 Nf6)
Average Elo: 0
Result: 0/1 = 0%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 0
Result: 0/1 = 0%

B43 Sicilian, Kan, 5.Nc3 (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3)
Average Elo: 0
Result: 0/1 = 0%

B27 Sicilian (1.e4 c5 2.Nf3)
Average Elo: 0
Result: 0/1 = 0%

B62 Sicilian, Richter-Rauzer (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6)
Average Elo: 0
Result: ½/1 = 50%

C71 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6)
Average Elo: 0
Result: ½/1 = 50%

E20 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4)
Average Elo: 2510
Result: ½/1 = 50%

D90 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3)
Average Elo: 0
Result: 0/1 = 0%

B83 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2)
Average Elo: 0
Result: ½/1 = 50%

D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo: 2545
Result: 0/1 = 0%

E16 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+)
Average Elo: 2555
Result: 0/1 = 0%

A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo: 2385
Result: ½/1 = 50%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2290
Result: 1/1 = 100%

A75 Benoni, Classical with ...a6 and 10...Bg4 (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4)
Average Elo: 2485
Result: ½/1 = 50%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2450
Result: ½/1 = 50%

E05 Catalan, Open, Classical line (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7)
Average Elo: 2485
Result: ½/1 = 50%

C19 French, Winawer, Advance (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7)
Average Elo: 2550
Result: 1/1 = 100%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 2575
Result: ½/1 = 50%

A33 English, Symmetrical (1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6)
Average Elo: 2485
Result: 0/1 = 0%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 2430
Result: 1/1 = 100%

A68 Benoni, Four Pawns Attack (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O)
Average Elo: 0
Result: 1/1 = 100%

C06 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4)
Average Elo: 2455
Result: 0/1 = 0%

C15 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4)
Average Elo: 0
Result: 0/1 = 0%

E74 King's Indian, Averbakh, 6...c5 (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5)
Average Elo: 2325
Result: ½/1 = 50%

C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo: 2470
Result: ½/1 = 50%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 2540
Result: 1/1 = 100%

D65 Queen's Gambit Declined, Orthodox, Rubinstein Attack, Main line (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Qc2 a6 9.cxd5)
Average Elo: 2625
Result: 0/1 = 0%

C73 Ruy Lopez, Modern Steinitz Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4)
Average Elo: 0
Result: 1/1 = 100%

B63 Sicilian, Richter-Rauzer Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2)
Average Elo: 2490
Result: 0/1 = 0%

C03 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2)
Average Elo: 2500
Result: 1/1 = 100%

D48 Queen's Gambit Declined Semi-Slav, Meran (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6)
Average Elo: 2555
Result: ½/1 = 50%

C43 Petrov, Modern Attack (1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4)
Average Elo: 0
Result: 0/1 = 0%

E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2)
Average Elo: 2490
Result: ½/1 = 50%

A09 Reti Opening (1.Nf3 d5 2.c4)
Average Elo: 2250
Result: 1/1 = 100%

D11 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3)
Average Elo: 2400
Result: 0/1 = 0%

D53 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7)
Average Elo: 2555
Result: 0/1 = 0%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 2445
Result: 0/1 = 0%

E11 Bogo-Indian Defense (1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+)
Average Elo: 2505
Result: 0/1 = 0%

E18 Queen's Indian, Old Main line, 7.Nc3 (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3)
Average Elo: 2545
Result: 1/1 = 100%