CM
MauritiusMRI
ID: 9700161

Jeroen Louis Koster

FIDE ratings

1,909Classical

Performance

50 games
36% Win
12% Draw
52% Loss

Jeroen Louis Koster's playing style

Overall score:42%18W 6D 26L over 50 games
Best with 1.e4 as White:50%in 18 games
Steady recent form:35%6W 2D 12L in last 20 games

Openings as White

Among the openings shown, Scotch Game: Scotch Gambit, London Defense has the largest White sample, with 2 games. Select a row to explore its moves and inspect example games below.

Scotch Game: Scotch Gambit, London Defense
100%
2g
Scotch Game: Scotch Gambit, Dubois Réti Defense
100%
2g
English Opening: Anglo-Indian Defense, Queen's Knight Variation
100%
2g
French Defense: Classical Variation, Delayed Exchange Variation
100%
2g
Sicilian Defense: Closed
100%
2g

Openings as Black

Among the openings shown, Queen's Gambit Declined has the largest Black sample, with 4 games. These results describe the available sample, not a prediction of the player’s next choice.

Queen's Gambit Declined
50%
50%
4g
Slav Defense
100%
2g
Indian Defense: Knights Variation
100%
2g
Sicilian Defense: Hyperaccelerated Dragon
100%
2g
Ruy Lopez: Morphy Defense, Anderssen Variation
100%
2g

Repertoire

24 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

24 games in this line · White to move

Results for Koster, Jeroen Louis as white · Wins / Draws / Losses

W / D / L
42%
8%
50%
Move
18 · 75%
44%
11%
44%
4 · 17%
50%
50%
2 · 8%
100%

Game History

(50 games)
DateSourceColorOpponentResultLink
Sep 13, 2016
OTB - PGN-Mentor
IMMwali, Chitumbo(2335)
L—
Sep 13, 2016
OTB - PGNMentor
IMMwali, Chitumbo(2335)
L—
Sep 12, 2016
OTB - PGN-Mentor
Darwish, Hashim(1766)
W—
Sep 12, 2016
OTB - PGNMentor
Darwish, Hashim(1766)
W—
Sep 11, 2016
OTB - BenBase
CMAli Abdullahi, Farah
W—
Sep 11, 2016
OTB - BenBase
CMAli Abdullahi, Farah(2000)
W—
Sep 10, 2016
OTB - PGNMentor
CMBenschop, Jomar(1670)
W—
Sep 10, 2016
OTB - PGN-Mentor
CMBenschop, Jomar(1670)
W—
Sep 8, 2016
OTB - PGN-Mentor
FMMlawa, Hemed(1782)
D—
Sep 8, 2016
OTB - PGNMentor
FMMlawa, Hemed(1782)
D—

Research Jeroen Louis Koster’s games and opening repertoire

CM Jeroen Louis Koster is rated 1909 in standard by FIDE. Jeroen Louis Koster plays for Mauritius.

Jeroen Louis Koster has FIDE ID 9700161.

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.

See the top players in Mauritius