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Player Profile

Player:

(Eg: Carlsen,Magnus)

Koh, Jonathan



FIDE:	FIDE Card
Years:	2003-2010
Number of games:	77
Number of wins:	23
Number of draws:	21
Number of losses:	33
White score:	16/38 (42.11% - Average Elo: 2274.91)
Black score:	17½/39 (44.87% - Average Elo: 2226.41)

Rating progression

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

Top wins

Koh, Jonathan (2076) - Nay, Oo Kyaw Tun (2485), Singapore U20-Myanmar 2nd, Singapore (D11) - 2008

Koh, Jonathan (2155) - Sadorra, Julio Catalino (2431), Singapore Masters 5th, Singapore (C01) - 2008

Koh, Jonathan (2155) - Anasrullah (2290), Singapore Masters 5th, Singapore (C45) - 2008

Lehmann, Marco (2279) - Koh, Jonathan (2028), World ol U16 12th, Singapore (B50) - 2007

Neubronner, Jarred Jason (2223) - Koh, Jonathan (2189), Singapore-ch op, Singapore (B89) - 2010

Tahmankar, Mandar (2141) - Koh, Jonathan (2090), Singapore Masters 4th, Singapore (B50) - 2007

Koh, Jonathan - ? (36)

Chua, Zheng Yuan Terry (1½/2)

Dole, Anant (0/2)

Anasrullah (1/1)

Andador, Rolando (0/1)

Aung, Aung (0/1)

Bhakti, Kulkarni (0/1)

Chan, Wei Xuan Timothy (½/1)

Corke, Anya Sun (0/1)

Dotsenko, Viacheslav (1/1)

Fodor, Tamas Jr (0/1)

Goh, Wei Ming Kevin (0/1)

Gyozalyan, Tigran (0/1)

Huynh Lam Binh, Nguyen (1/1)

Khademi, Mohammad Miran (0/1)

Khouri, Ibrahim Mohamed (½/1)

Kyaw, Kyaw Soe (½/1)

Kyaw, Lin Naing (½/1)

Lo, Kin Mun Dominic (½/1)

Mas, Hafizulhelmi (0/1)

Mascarinas, Rico (½/1)

Nay, Oo Kyaw Tun (1/1)

Nguyen, Van Huy (0/1)

Ramos, Domingo (½/1)

Ranola, Yves (0/1)

Sadorra, Julio Catalino (1/1)

Shanmugam, Ravindran (0/1)

Simanjuntak, Sebastian (0/1)

Stojic, Dusan (0/1)

Subramani, Sumanth (1/1)

Teo Yew Lin, Alan (1/1)

Uesugi, Shinsaku (1/1)

Washaya, Sharon (1/1)

Wee, Chu En Kelvin (1/1)

Wong Shern Yang, Jonathan (0/1)

Wynn, Zaw Htung (½/1)

Zaw, Win Lay (½/1)

? - Koh, Jonathan (35)

Lo, Kin Mun Dominic (1/3)

Chan, Yi Ren Daniel (½/2)

Neubronner, Jarred Jason (1½/2)

Bitoon, Richard (0/1)

Chan, Wei Xuan Timothy (0/1)

Chung, Juen Sen (1/1)

Dimakiling, Oliver (0/1)

Ediriwera, Shakthi (½/1)

Fernandez, Daniel Howard (0/1)

Gyozalyan, Tigran (½/1)

Hattingh, Angelique (1/1)

Huynh Mai Phuong, Dung (1/1)

Kilpatrick, Callum (0/1)

Kuznetsov, Kirill (½/1)

Kyaw, Kyaw Soe (0/1)

Kyaw, Lin Naing (0/1)

Lee, Kim Han Edward (0/1)

Lehmann, Marco (1/1)

Lin, Chen (0/1)

Mascarinas, Rico (0/1)

Mitali, Madhukar Patil (1/1)

Nay, Oo Kyaw Tun (½/1)

Nguyen, Thi Thanh An (0/1)

Olrenzo Diary, Johan (1/1)

Ramos, Domingo (½/1)

Ranola, Yves (0/1)

Rian, Kapriaga (1/1)

Shanmugam, Ravindran (½/1)

Solomons, Anzel (1/1)

Song, Angela (1/1)

Tahmankar, Mandar (1/1)

Toh, Li Cheng (1/1)

Wong Tsui Hern, Daryl (0/1)

Wynn, Zaw Htung (0/1)

Yu, Melvin (½/1)

Openings played as White (25)

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 2186.14
Result: 3/7 = 42.86%

C11 French (1.e4 e6 2.d4 d5 3.Nc3 Nf6)
Average Elo: 2302.33
Result: 0/3 = 0%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 0
Result: 2/2 = 100%

B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5)
Average Elo: 2419
Result: 1/2 = 50%

D05 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3 e6)
Average Elo: 2456.5
Result: ½/2 = 25%

D04 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3)
Average Elo: 2167
Result: ½/2 = 25%

D11 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3)
Average Elo: 2378
Result: 1/2 = 50%

C42 Petrov Defense (1.e4 e5 2.Nf3 Nf6)
Average Elo: 0
Result: 1/1 = 100%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 2154
Result: 1/1 = 100%

A43 Old Benoni (1.d4 c5)
Average Elo: 2253
Result: 0/1 = 0%

D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo: 2199
Result: 0/1 = 0%

B32 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5)
Average Elo: 2151
Result: ½/1 = 50%

A85 Dutch, with c4 & Nc3 (1.d4 f5 2.c4 Nf6 3.Nc3)
Average Elo: 2491
Result: 0/1 = 0%

A47 Queen's Indian (1.d4 Nf6 2.Nf3 b6)
Average Elo: 2405
Result: ½/1 = 50%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 2542
Result: ½/1 = 50%

B86 Sicilian, Fischer-Sozin Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4)
Average Elo: 2128
Result: 1/1 = 100%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 2431
Result: 1/1 = 100%

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: 2422
Result: 0/1 = 0%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 2306
Result: ½/1 = 50%

B39 Sicilian, Accelerated Fianchetto, Breyer Variation (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4)
Average Elo: 2390
Result: 0/1 = 0%

B28 Sicilian, O'Kelly Variation (1.e4 c5 2.Nf3 a6)
Average Elo: 2416
Result: ½/1 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2201
Result: 0/1 = 0%

B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo: 2256
Result: ½/1 = 50%

B42 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3)
Average Elo: 2036
Result: 1/1 = 100%

B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo: 1934
Result: 0/1 = 0%

Openings played as Black (25)

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 2326.2
Result: 2/5 = 40%

B89 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3)
Average Elo: 2184
Result: 2/4 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2347.67
Result: 1½/3 = 50%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 2083
Result: 1/3 = 33.33%

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 0
Result: 1/2 = 50%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 2034
Result: 2/2 = 100%

B55 Sicilian, Prins Variation, Venice Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+)
Average Elo: 2161
Result: 1/2 = 50%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 0
Result: 1/1 = 100%

A54 Old Indian, Ukrainian Variation, 4.Nf3 (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3)
Average Elo: 0
Result: 0/1 = 0%

A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo: 0
Result: ½/1 = 50%

B54 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4)
Average Elo: 2015
Result: 1/1 = 100%

B66 Sicilian, Richter-Rauzer Attack, 7...a6 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6)
Average Elo: 2120
Result: 0/1 = 0%

B53 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4)
Average Elo: 2364
Result: 0/1 = 0%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 2324
Result: 0/1 = 0%

B21 Sicilian, 2.f4 and 2.d4 (1.e4 c5 2.f4)
Average Elo: 2542
Result: 0/1 = 0%

A55 Old Indian, Main line (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4)
Average Elo: 2477
Result: 0/1 = 0%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 2123
Result: ½/1 = 50%

B59 Sicilian, Boleslavsky Variation, 7.Nb3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3)
Average Elo: 1836
Result: 1/1 = 100%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2439
Result: 0/1 = 0%

B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O)
Average Elo: 2260
Result: ½/1 = 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: 2448
Result: 0/1 = 0%

B56 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3)
Average Elo: 2300
Result: ½/1 = 50%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2267
Result: ½/1 = 50%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 1932
Result: 1/1 = 100%

E10 Queen's Pawn Game (1.d4 Nf6 2.c4 e6 3.Nf3)
Average Elo: 2202
Result: ½/1 = 50%