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Player Profile

Player:

(Eg: Carlsen,Magnus)

Koster, Chiel



FIDE:	FIDE Card
Years:	2013-2023
Number of games:	66
Number of wins:	26
Number of draws:	15
Number of losses:	25
White score:	18/32 (56.25% - Average Elo: 2062.21)
Black score:	15½/34 (45.59% - Average Elo: 1948.69)

Rating progression

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

Top wins

Koster, Chiel (2010) - Baselmans, Luuk (2340), 13th WLC Weekender 2023, Eindhoven NED (C00) - 2023

Koster, Chiel (1913) - Styazhkina, Anna (2294), FIDE World Uni Blitz-B 1st, Tornelo INT (C50) - 2021

Koster, Chiel (2010) - Sprangers, Remco (2240), 13th WLC Weekender 2023, Eindhoven NED (B90) - 2023

Bellissimo, Joseph F (2203) - Koster, Chiel (1913), FIDE World Uni Blitz-B 1st, Tornelo INT (B40) - 2021

Antonov, Andrey P (2137) - Koster, Chiel (1913), FIDE World Uni Blitz-B 1st, Tornelo INT (A36) - 2021

Shakhverdian, William (2129) - Koster, Chiel (2052), Dutch Open 2023, Dieren NED (E04) - 2023

Koster, Chiel - ? (32)

Arpita, Mukherjee (½/1)

Baselmans, Luuk (1/1)

Burri, Quentin (0/1)

BYE (½/1)

De Boer, Eelke (0/1)

Den Dunnen, Lola (½/1)

Dubbeldam, Mathijs (0/1)

Fuentes Flores, Estrella Azucena (1/1)

Jirasek, Ladia R (0/1)

Kools, Jasper (½/1)

Kulvinder (½/1)

Laurusas, Tomas (0/1)

Lecomte, Robin (½/1)

Maatman, Nick (0/1)

Mollema, Thomas (0/1)

Murali, Hariprasad (1/1)

Nur Abidah, Shanti (1/1)

Obeid, Omar (1/1)

Reichardt, Monica (1/1)

Rijken, Jasper (0/1)

Roesink, Myron (1/1)

Salah, Nadezhda (1/1)

Souza, Igor Esquivel (1/1)

Sprangers, Remco (1/1)

Styazhkina, Anna (1/1)

Van Baar, Esper (1/1)

Van Helvoort, R (1/1)

Van Oostenbrugge, Rijk (0/1)

Van Roon, Sjoerd (½/1)

Vos, Tjark (0/1)

Weidemann, Jakob (1/1)

Zwirs, Jasper (½/1)

? - Koster, Chiel (34)

Abbott, Thomas (1/1)

Albornoz Cabrera, Carlos Daniel (0/1)

Amaro Alfonso, Raynner (0/1)

Antonov, Andrey P (1/1)

Beerdsen, Thomas (0/1)

Bellissimo, Joseph F (1/1)

Jundana, M Qudwah (1/1)

Koes, Richard (1/1)

Kurt, Sascha (½/1)

Mensing, Adrian (1/1)

Op den Dries, Johan (0/1)

Postema, Yorick (0/1)

Roebers, Eline (½/1)

Sanders, Laurens (1/1)

Shakhverdian, William (1/1)

Slagboom, Leandro (1/1)

Stolwijk, Colin (½/1)

Sudhanva, KV (1/1)

Thanga Manickam, M (0/1)

Van den Berg, Cees (½/1)

Van den Bergh, Dennis (0/1)

Van der Togt, Twan (0/1)

Van der Valk, N (½/1)

Van Hoorn, Geert (0/1)

Vermeulen, Dewi (0/1)

Wienegge, Sophie (½/1)

Openings played as White (19)

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1913.57
Result: 4/7 = 57.14%

B90 Sicilian, Najdorf (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6)
Average Elo: 2306.33
Result: 1½/3 = 50%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: ½/2 = 25%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2309.5
Result: 1/2 = 50%

B06 Robatsch (1.e4 g6)
Average Elo: 2133
Result: 2/2 = 100%

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 2026
Result: 2/2 = 100%

C00 French Defense (1.e4 e6)
Average Elo: 2351
Result: 1/2 = 50%

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 0
Result: 1/1 = 100%

B00 Uncommon King's Pawn Opening (1.e4)
Average Elo: 1320
Result: 0/1 = 0%

A10 English (1.c4)
Average Elo: 2063
Result: 0/1 = 0%

A28 English (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6)
Average Elo: 1851
Result: 1/1 = 100%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 2013
Result: ½/1 = 50%

A01 Nimzovich-Larsen Attack (1.b3)
Average Elo: 0
Result: 0/1 = 0%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 2294
Result: 1/1 = 100%

C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo: 0
Result: 1/1 = 100%

B81 Sicilian, Scheveningen, Keres Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4)
Average Elo: 2206
Result: ½/1 = 50%

B93 Sicilian, Najdorf, 6.f4 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4)
Average Elo: 0
Result: ½/1 = 50%

B42 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3)
Average Elo: 1774
Result: ½/1 = 50%

C24 Bishop's Opening (1.e4 e5 2.Bc4 Nf6)
Average Elo: 2178
Result: 0/1 = 0%

Openings played as Black (26)

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 2290
Result: 1½/4 = 37.5%

B20 Sicilian (1.e4 c5)
Average Elo: 1993.67
Result: 1½/3 = 50%

C04 French, Tarrasch, Guimard Main line (1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6)
Average Elo: 1564.5
Result: 1/2 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 1406
Result: 1/2 = 50%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2198
Result: 1/2 = 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: 1687
Result: 0/1 = 0%

A40 Queen's Pawn Game (1.d4)
Average Elo: 0
Result: 0/1 = 0%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 0
Result: 0/1 = 0%

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 1210
Result: 1/1 = 100%

B88 Sicilian, Fischer-Sozin Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6)
Average Elo: 1030
Result: 1/1 = 100%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1967
Result: 0/1 = 0%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 0
Result: 1/1 = 100%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 2100
Result: ½/1 = 50%

E68 King's Indian, Fianchetto, Classical Variation, 8.e4 (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4)
Average Elo: 2072
Result: 0/1 = 0%

B00 Uncommon King's Pawn Opening (1.e4)
Average Elo: 0
Result: 0/1 = 0%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2203
Result: 1/1 = 100%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2137
Result: 1/1 = 100%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 0
Result: 1/1 = 100%

B24 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 1945
Result: 0/1 = 0%

E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5)
Average Elo: 1623
Result: 0/1 = 0%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 2200
Result: ½/1 = 50%

E10 Queen's Pawn Game (1.d4 Nf6 2.c4 e6 3.Nf3)
Average Elo: 1997
Result: 1/1 = 100%

B31 Sicilian, Rossolimo Variation (1.e4 c5 2.Nf3 Nc6 3.Bb5 g6)
Average Elo: 2507
Result: 0/1 = 0%

E63 King's Indian, Fianchetto, Panno Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6)
Average Elo: 2182
Result: ½/1 = 50%

E04 Catalan, Open, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3)
Average Elo: 2129
Result: 1/1 = 100%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 2093
Result: 0/1 = 0%