Ramon Koster's chess openings
FM🇳🇱 NetherlandsFIDE 2292171 games
Ramon Koster, FIDE Master from Netherlands, has 171 tournament games in the ChessPrep database. As White, Ramon Koster most often opens with 1.d4 (80% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...d5.
As White85 games · +39 =26 −20 · 61%
As Black86 games · +31 =20 −35 · 48%
As White
- 1.d4 Queen's Pawn Opening80%68 games · scores 63% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1.Nf3 Réti Opening9%8 games · scores 63% · main line 1.Nf3 d5 2.g3 c5 3.Bg2 Nc6
- 1.c4 English Opening7%6 games · scores 50% · main line 1.c4 c6 2.e4 d5 3.exd5 cxd5
As Black against 1.e4
- 1...c5 Sicilian Defense68%38 games · scores 39% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...c6 Caro-Kann Defense13%7 games · scores 71% · main line 1.e4 c6 2.d4 d5 3.e5 c5
- 1...e6 French Defense13%7 games · scores 36% · main line 1.e4 e6 2.d4 d5 3.Nc3 Bb4
As Black against 1.d4
- 1...d5 Closed Game48%13 games · scores 69% · main line 1.d4 d5 2.c4 c6 3.Nf3 Nf6
- 1...Nf6 Indian Defense44%12 games · scores 58% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 d5
- 1...e6 Horwitz Defense7%2 games · scores 25% · main line 1.d4 e6 2.c4 f5 3.g3 Nf6
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