Jaco Koster

Thumbnail photo of Jaco Koster
Fide Id2015862
USCF Id12741567
FederationUSA fed
FIDE Elo2074 
Highest 2128 (January 2000)
National Elo1971
Born Unknown
ClubNew York
 Ranking: World #21949, Americas #2313, USA #565
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Chess games of Jaco Koster:    PGN Database (JacoKoster.pgn)  [5 games]

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Play Style

Play chess against Jaco Koster (computer simulated play style): with white or black.
Opening (White) Realtime (beta)Opening (Black) Realtime (beta)
Pirc defence (50%): B07Queen's pawn (33%): A46
Sicilian defence (50%): B20Queen's gambit (33%): D10
Nimzo-Indian (33%): E20
Play tendenciesEndgame tendencies
Sacrifices: Not availableAverage draws at: Move #26 (details)
Blunders (): Explore blunders Optimal play: Not available
Positional player: Not available Optimal checkmate: Not available
Exchange tendencies: +4.356 (details) Endgame blunders: Not available.
Stockfish first line: Not available [calculate] Strength:         
Quality of play:  Not available Exploitive analysis: Not available
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Live Games

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Chess Games

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Tournament History

Sources:,,,, others coming soon.

Tournament (Click on name for details) VenueDate
OP XXXVII Coppa Citta' di Cagliari Cagliari, Italy2012.09.172070
6th Sants Hostafrancs A Barcelona, Spain2004.08.282100
New York Open (Open) New York, USA1998.03.141090


Zimmermann, Dietmar     Otto, Wolfgang