Jan Willem Koelmans

Thumbnail photo of Jan Willem Koelmans
Fide Id1011588
FederationNetherlands fed
FIDE Elo1941
Highest Elo2050 (November 2009)
National Elo2032
Born 1960  (Age 56)
 Ranking: World #40259, Europe #32020, Netherlands #1400
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Chess games of Jan Willem Koelmans:    PGN Database (JanWillemKoelmans.pgn)  [35 games]

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Play Style

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Opening (White) Realtime (beta)Opening (Black) Realtime (beta)
Queen's gambit (26%): D18 D31 D25 D15Sicilian defence (43%): B92 B90 B55 B90 B50
Benoni defence (15%): A65 A57 A58Queen's gambit (31%): D15 D10 D19 D15
Queen's pawn (15%): A41 A40Queen's pawn (18%): D00 D01 D04
Modern defence/Averbakh (10%): A42 A42Nimzovich-Larsen attack (6%): A01
Nimzo-Indian (10%): E50 E20
Play tendenciesEndgame tendencies
Sacrifices: Not availableAverage draws at: Move #33 (details)
Blunders (): Explore blunders Optimal play: Not available
Positional player: Not available Optimal checkmate: Not available
Exchange tendencies: -1.077 (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

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Tournament (Click on name for details) VenueDate
Dutch Team Competition - 3F - Round 4 Netherlands2015.12.121730
Dutch Team Competition - 3F - Round 3 Netherlands2015.11.071790
Dutch Team Competition - 3F - Round 1-2 Netherlands2015.09.261710
9e Leiden Chess Tournament, Group B Leiden, Netherlands2015.07.171650
BPB Limburg Open - Groep B Maastricht, Netherlands2015.05.221860
Dutch Team Competition - 3G - Round 8-9 Netherlands2015.04.111790
Dutch Team Competition - 3G - Round 6-7 Netherlands2015.03.071710
Dutch Team Competition - 3G - Round 5 Netherlands2015.02.071950
Tata Steel Chess Tournament - W3I Wijk Aan Zee, Netherlands2015.01.091990
Dutch Team Competition - 3G - Round 2-3 Netherlands2014.11.011780
Dutch Team Competition - 3G - Round 1 Netherlands2014.09.271550
Science Park Chess Tournament - Groep B Amsterdam, Netherlands2014.07.051820
    (48 more)
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Ledesma, Sebastian     Glahn, Michael