SingaporeSGP
ID: 5801249

Koh Boon Mark Tan

FIDE ratings

2,070Classical

Performance

48 games
31% Win
13% Draw
56% Loss

Koh Boon Mark Tan's playing style

Overall score:38%15W 6D 27L over 48 games
Best with e4 vs 1.e4/1.d4 as Black:40%in 15 games
Struggles in the Sicilian Defense as Black:40%in 15 games
In great form:50%9W 2D 9L in last 20 games

Openings as White

Among the openings shown, Sicilian Defense: Closed has the largest White sample, with 4 games. Select a row to explore its moves and inspect example games below.

Sicilian Defense: Closed
50%
50%
4g
Bishop's Opening: Berlin Defense
100%
2g
King's Indian Attack: French Variation
100%
2g
Caro-Kann Defense: Classical Variation
100%
2g
Sicilian Defense: Alapin Variation
100%
2g

Openings as Black

Among the openings shown, King's Indian Defense: Orthodox Variation has the largest Black sample, with 4 games. These results describe the available sample, not a prediction of the player’s next choice.

King's Indian Defense: Orthodox Variation
100%
4g
Sicilian Defense: Alapin Variation, Barmen Defense
50%
50%
4g
Sicilian Defense: Grand Prix Attack
100%
3g
Sicilian Defense: Old Sicilian
100%
2g
Queen's Gambit Declined: Modern Variation, Knight Defense
100%
2g

Repertoire

20 games as white in scope
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Move arrowsfrequency, not engine evaluation

Starting position

20 games in this line · White to move

Results for Tan, Koh Boon Mark as white · Wins / Draws / Losses

W / D / L
40%
10%
50%
Move
12 · 60%
50%
17%
33%
6 · 30%
33%
67%
2 · 10%
100%

Game History

(48 games)
DateSourceColorOpponentResultLink
Dec 10, 2004
OTB - Codekiddy
Yeng Ngai Seng Kenny
W—
Dec 9, 2004
OTB - Codekiddy
Ling, Kay Soon
L—
Dec 9, 2004
OTB - Codekiddy
Ling, Kay Soon
L—
Dec 8, 2004
OTB - Codekiddy
Ong, Chuan Hock
D—
Dec 8, 2004
OTB - Codekiddy
Ong, Chuan Hock
D—
Dec 7, 2004
OTB - PGNMentor
Pereira, Johnharry(1917)
W—
Dec 7, 2004
OTB - PGN-Mentor
Pereira, Johnharry
W—
Dec 6, 2004
OTB - PGN-Mentor
Khng Nguan Hock, Vincent
W—
Dec 6, 2004
OTB - PGNMentor
Khng Nguan Hock, Vincent
W—
Dec 5, 2004
OTB - PGN-Mentor
Lee, Say Siong John
W—

Research Koh Boon Mark Tan’s games and opening repertoire

Koh Boon Mark Tan is rated 2070 in standard by FIDE. Koh Boon Mark Tan plays for Singapore.

Koh Boon Mark Tan has FIDE ID 5801249.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.

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