ChessBites - Player Information and Statistics

Player Profile

Player:

(Eg: Carlsen,Magnus)

Koska, Jiri



FIDE:	FIDE Card
Years:	2017-2025
Number of games:	204
Number of wins:	80
Number of draws:	59
Number of losses:	65
White score:	58½/103 (56.8% - Average Elo: 1725.09)
Black score:	51/101 (50.5% - Average Elo: 1707.43)

Rating progression

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

Top wins

Koska, Jiri (2001) - Petran, Peter (2166), Tatran Cup 70th, Tatranske Matliare (A21) - 2024

Koska, Jiri (1854) - Siraj, Anej (2063), Piestany Slovakia op-B, Piestany (D31) - 2024

Koska, Jiri (1856) - Vokoun, Jan (2056), Pardubice rapid op 33rd, Pardubice (A05) - 2022

Borsos, Bogdan (2200) - Koska, Jiri (1804), Liptovsky Jan op, Liptovsky Jan (A46) - 2022

Zdrazil, Tomas (2122) - Koska, Jiri (1856), Pardubice rapid op 33rd, Pardubice (B12) - 2022

Trebula, Jozef (2083) - Koska, Jiri (1759), SVK-chT1E 2122, Slovakia (B18) - 2022

Koska, Jiri - ? (95)

Janik, Marek Tobias (1/3)

Hurtuk, Radovan (½/2)

Jurky, Marian (1½/2)

Kostolansky, Sebastian Lukas (0/2)

Rybka, Simon (0/2)

Vargosko, Juraj (1/2)

Asgarov, Mahammad (½/1)

Ashurbayov, Arif (1/1)

Babjarcik, Tobias (½/1)

Ballo, Filip (½/1)

Balusik, Branislav (1/1)

Baron, Patrik (½/1)

Bednar, Jan (1/1)

Bekiaris, Kosmas (1/1)

Berry, Aidan (1/1)

Bilik, Matej (1/1)

Bochnicka, Vladimir (0/1)

Bochnicka, Vladimir1 (0/1)

Earle, Dominic James (0/1)

Foldesi, Jan (1/1)

Gay, Lukas (½/1)

Gyerpal, Adrian (½/1)

Gyori, Samuel (½/1)

Har Even, Abir (½/1)

Havalda, Samuel (1/1)

Havaldova, Natalia (1/1)

Heric, Luka (½/1)

Horvathova, Hana (1/1)

Hros, Roman (0/1)

Ihnat, Marek1 (0/1)

Kaminsky, Ladislav (1/1)

Kapinaj, Matus (½/1)

Kopnicky, Vladimir (½/1)

Koval, Anton (½/1)

Krajcirik, Matej (1/1)

Lauko, Ladislav (½/1)

Livnansky, Michal (1/1)

Musaev, Matej Elbek (0/1)

Novysedlak, Samuel (1/1)

Orgon, Jakub (½/1)

Orgon, Patrik (½/1)

Oslej, Marek (1/1)

Ostruzlik, Kristian (½/1)

Paksi, Alexander (1/1)

Piroska, Samuel (1/1)

Pivoda, Szabolcs (1/1)

Presalovic, Marcel (1/1)

Rakovsky, Jakub (1/1)

Rerko, Samuel (1/1)

Ruggiero, Chance Timothy (½/1)

Sandor, Samuel (0/1)

Sida, Flavius Ovidiu (0/1)

Siraj, Anej (1/1)

Sitar, Andrej (1/1)

Stevik, Patrik1 (½/1)

Svorad, Tomas (1/1)

Szalay Ocsak, Bank (½/1)

Visvader, Kristof (1/1)

Vokoun, Jan (1/1)

Vozar, Adam (1/1)

Vrchovsky, Viliam (1/1)

Zentko, Ladislav (½/1)

Zvarik, Martin (0/1)

Zverka, Peter Samuel (0/1)

? - Koska, Jiri (90)

Balazs, Attila2 (½/1)

Basar, Martin (½/1)

Belus, Benjamin (1/1)

Beres, Tomas (0/1)

Bochnickova, Andrea (0/1)

Bochnickova, Simona (0/1)

Domanskiy, Mykola (0/1)

Dovbysh, Timur (½/1)

Dudarev, Vladislav (0/1)

Gorbenko, Rustem (0/1)

Gschiel, Alexander (0/1)

Hookham, James (1/1)

Horvath, Marek1 (½/1)

Hotak, Marian (1/1)

Iankin, Arseni (½/1)

Jura, Michal (0/1)

Karapetsas, Athanasios (½/1)

Klimek, Martin1 (1/1)

Madlenak, Matus (1/1)

Malaschitz, Teodor (½/1)

Melichar, Vojtech (0/1)

Meszaros, Casey Ryan (0/1)

Michalicka, Milan (1/1)

Mirek, Szymon (1/1)

Mrkvik, Jan (1/1)

Muhamova, Arzygul (1/1)

Musaev, Matej Elbek (1/1)

Nurahmadov, Tabriz (0/1)

Ondo, Radoslav (0/1)

Ondreicka, Roman (½/1)

Ondrejcak, Gregor (1/1)

Orgon, Patrik (0/1)

Oruzinsky, Juraj (0/1)

Panko, Eduard1 (0/1)

Panko, Radoslav (0/1)

Papay, Aurel (1/1)

Polomsky, Tomas (0/1)

Rakovsky, Jakub (0/1)

Sahidi, Shabir (1/1)

Salgovic, Simon (0/1)

Skach, Lubomir (1/1)

Skovran, Jaroslav (½/1)

Smetana, Peter (1/1)

Strelbitska, Oleksandra (0/1)

Sulovsky, Jan Pavol (1/1)

Svoboda, Daniel (0/1)

Trebula, Jozef (1/1)

Trgina, Daniel (0/1)

Vargosko, Juraj (0/1)

Verba, Vladimir (0/1)

Yavuz, Efe Metehan (0/1)

Zatko, Gregor (0/1)

Zdrazil, Tomas (1/1)

Zlatkov, Anton (0/1)

Openings played as White (62)

C55 Two Knights Defense (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6)
Average Elo: 1501
Result: 3/6 = 50%

A07 King's Indian Attack (1.Nf3 d5 2.g3)
Average Elo: 1735
Result: 2/5 = 40%

C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo: 1656.4
Result: 3/5 = 60%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 2010
Result: 3½/4 = 87.5%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 1315.75
Result: 3/4 = 75%

B34 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6)
Average Elo: 2051.5
Result: 0/4 = 0%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 1917.33
Result: 2/3 = 66.67%

A05 Reti Opening (1.Nf3 Nf6)
Average Elo: 1934.67
Result: 1½/3 = 50%

A09 Reti Opening (1.Nf3 d5 2.c4)
Average Elo: 1842.33
Result: 1½/3 = 50%

B00 Uncommon King's Pawn Opening (1.e4)
Average Elo: 1463.33
Result: 2½/3 = 83.33%

A04 Reti Opening (1.Nf3)
Average Elo: 1820
Result: 2½/3 = 83.33%

A13 English (1.c4 e6)
Average Elo: 1748.5
Result: 1/2 = 50%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 1876.5
Result: 1/2 = 50%

C00 French Defense (1.e4 e6)
Average Elo: 2260.5
Result: ½/2 = 25%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 1433
Result: 1½/2 = 75%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 1414.5
Result: 1½/2 = 75%

C49 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4)
Average Elo: 1165
Result: 2/2 = 100%

E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo: 1851.5
Result: 1/2 = 50%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 1829
Result: ½/2 = 25%

C07 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 c5)
Average Elo: 1754.5
Result: 1/2 = 50%

A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo: 2427
Result: 0/1 = 0%

B04 Alekhine's Defense, Modern (1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3)
Average Elo: 1852
Result: ½/1 = 50%

B45 Sicilian, Taimanov (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3)
Average Elo: 1158
Result: ½/1 = 50%

C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo: 0
Result: 1/1 = 100%

C65 Ruy Lopez, Berlin Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6)
Average Elo: 1134
Result: 1/1 = 100%

A16 English (1.c4 Nf6 2.Nc3)
Average Elo: 0
Result: 1/1 = 100%

B11 Caro-Kann, Two Knights, 3...Bg4 (1.e4 c6 2.Nc3 d5 3.Nf3 Bg4)
Average Elo: 1784
Result: ½/1 = 50%

B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo: 1736
Result: 1/1 = 100%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 1914
Result: 0/1 = 0%

A01 Nimzovich-Larsen Attack (1.b3)
Average Elo: 1903
Result: ½/1 = 50%

A81 Dutch (1.d4 f5 2.g3)
Average Elo: 1986
Result: ½/1 = 50%

B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo: 2257
Result: 0/1 = 0%

B90 Sicilian, Najdorf (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6)
Average Elo: 2069
Result: 0/1 = 0%

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: 2019
Result: ½/1 = 50%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 1675
Result: 0/1 = 0%

A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo: 1953
Result: 1/1 = 100%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 1812
Result: ½/1 = 50%

A15 English (1.c4 Nf6)
Average Elo: 2402
Result: 0/1 = 0%

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: 1996
Result: ½/1 = 50%

E62 King's Indian, Fianchetto (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3)
Average Elo: 1585
Result: 1/1 = 100%

A90 Dutch (1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2)
Average Elo: 1665
Result: 1/1 = 100%

D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo: 1999
Result: ½/1 = 50%

B01 Scandinavian (1.e4 d5)
Average Elo: 1279
Result: 1/1 = 100%

E65 King's Indian, Fianchetto, Yugoslav, 7.O-O (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O)
Average Elo: 1804
Result: 1/1 = 100%

B48 Sicilian, Taimanov Variation (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3)
Average Elo: 1291
Result: 1/1 = 100%

B80 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6)
Average Elo: 1818
Result: 0/1 = 0%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 1596
Result: ½/1 = 50%

D33 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3)
Average Elo: 1806
Result: 1/1 = 100%

B12 Caro-Kann Defense (1.e4 c6 2.d4)
Average Elo: 1377
Result: 0/1 = 0%

A21 English (1.c4 e5 2.Nc3)
Average Elo: 2166
Result: 1/1 = 100%

A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo: 1584
Result: 1/1 = 100%

D31 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3)
Average Elo: 2063
Result: 1/1 = 100%

C03 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2)
Average Elo: 1170
Result: 1/1 = 100%

B62 Sicilian, Richter-Rauzer (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6)
Average Elo: 1937
Result: ½/1 = 50%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 1475
Result: 1/1 = 100%

C47 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6)
Average Elo: 1035
Result: ½/1 = 50%

B43 Sicilian, Kan, 5.Nc3 (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3)
Average Elo: 1951
Result: 0/1 = 0%

C24 Bishop's Opening (1.e4 e5 2.Bc4 Nf6)
Average Elo: 1903
Result: 1/1 = 100%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 1861
Result: 1/1 = 100%

C77 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6)
Average Elo: 1562
Result: 0/1 = 0%

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 1065
Result: 0/1 = 0%

C42 Petrov Defense (1.e4 e5 2.Nf3 Nf6)
Average Elo: 1094
Result: 0/1 = 0%

Openings played as Black (53)

B12 Caro-Kann Defense (1.e4 c6 2.d4)
Average Elo: 1573.57
Result: 4½/7 = 64.29%

B11 Caro-Kann, Two Knights, 3...Bg4 (1.e4 c6 2.Nc3 d5 3.Nf3 Bg4)
Average Elo: 1521.29
Result: 4½/7 = 64.29%

B13 Caro-Kann, Exchange (1.e4 c6 2.d4 d5 3.exd5 cxd5)
Average Elo: 1551.17
Result: 4/6 = 66.67%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 1664.4
Result: 5/5 = 100%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 1933.5
Result: 2½/4 = 62.5%

C00 French Defense (1.e4 e6)
Average Elo: 2028.25
Result: 1½/4 = 37.5%

D00 Queen's Pawn Game (1.d4 d5)
Average Elo: 1117
Result: 1/3 = 33.33%

C47 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6)
Average Elo: 1292
Result: 1½/3 = 50%

A58 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6)
Average Elo: 1802
Result: 2/3 = 66.67%

B18 Caro-Kann, Classical (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5)
Average Elo: 1781
Result: 2/3 = 66.67%

B01 Scandinavian (1.e4 d5)
Average Elo: 2085.33
Result: ½/3 = 16.67%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 2114.67
Result: ½/3 = 16.67%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 1703.5
Result: ½/2 = 25%

A03 Bird's Opening (1.f4 d5)
Average Elo: 1709
Result: ½/2 = 25%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 1819
Result: 0/2 = 0%

A59 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4)
Average Elo: 1820
Result: 1/2 = 50%

A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo: 2120.5
Result: 1½/2 = 75%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2003
Result: 0/2 = 0%

C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo: 1884
Result: ½/2 = 25%

C11 French (1.e4 e6 2.d4 d5 3.Nc3 Nf6)
Average Elo: 1849
Result: 1/2 = 50%

E63 King's Indian, Fianchetto, Panno Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6)
Average Elo: 2047.5
Result: 2/2 = 100%

D01 Richter-Veresov Attack (1.d4 d5 2.Nc3 Nf6 3.Bg5)
Average Elo: 1000
Result: 1/1 = 100%

C56 Two Knights (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4)
Average Elo: 1000
Result: ½/1 = 50%

D20 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
Average Elo: 1000
Result: 1/1 = 100%

D53 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7)
Average Elo: 1133
Result: ½/1 = 50%

C22 Center Game (1.e4 e5 2.d4 exd4 3.Qxd4 Nc6)
Average Elo: 1118
Result: 1/1 = 100%

D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo: 1534
Result: 0/1 = 0%

C36 King's Gambit Accepted, Abbazia Defense (1.e4 e5 2.f4 exf4 3.Nf3 d5)
Average Elo: 1000
Result: 1/1 = 100%

C48 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5)
Average Elo: 1363
Result: 0/1 = 0%

C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo: 1212
Result: 1/1 = 100%

C70 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4)
Average Elo: 1777
Result: 1/1 = 100%

D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo: 2136
Result: 0/1 = 0%

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: 1768
Result: 0/1 = 0%

A15 English (1.c4 Nf6)
Average Elo: 1909
Result: 1/1 = 100%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 1679
Result: 0/1 = 0%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 1147
Result: ½/1 = 50%

A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo: 1061
Result: 1/1 = 100%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 1593
Result: 0/1 = 0%

C42 Petrov Defense (1.e4 e5 2.Nf3 Nf6)
Average Elo: 2091
Result: 0/1 = 0%

B06 Robatsch (1.e4 g6)
Average Elo: 1949
Result: ½/1 = 50%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 1882
Result: 1/1 = 100%

D78 Neo-Grunfeld, 6.O-O c6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6)
Average Elo: 2024
Result: ½/1 = 50%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2052
Result: 0/1 = 0%

B10 Caro-Kann (1.e4 c6)
Average Elo: 2014
Result: 0/1 = 0%

D73 Neo-Grunfeld, 5.Nf3 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3)
Average Elo: 1908
Result: ½/1 = 50%

B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo: 1897
Result: 0/1 = 0%

C04 French, Tarrasch, Guimard Main line (1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6)
Average Elo: 2149
Result: 0/1 = 0%

C13 French (1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7)
Average Elo: 2033
Result: 1/1 = 100%

A43 Old Benoni (1.d4 c5)
Average Elo: 2088
Result: ½/1 = 50%

C03 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2)
Average Elo: 1945
Result: 0/1 = 0%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2080
Result: 0/1 = 0%

A47 Queen's Indian (1.d4 Nf6 2.Nf3 b6)
Average Elo: 1540
Result: ½/1 = 50%

E11 Bogo-Indian Defense (1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+)
Average Elo: 1741
Result: ½/1 = 50%