Koster, W's chess openings
🇳🇱 NetherlandsFIDE 212744 games
Koster, W, from Netherlands, has 44 tournament games in the ChessPrep database. As White, Koster, W most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...Nf6.
As White21 games · +7 =5 −9 · 45%
As Black23 games · +5 =5 −13 · 33%
As White
- 1.e4 King's Pawn Opening100%21 games · scores 45% · main line 1.e4 c5 2.c3 d5 3.exd5 Qxd5
As Black against 1.e4
- 1...e5 Open Game86%12 games · scores 54% · main line 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6
- 1...Nf6 Alekhine's Defense7%1 game · scores 0% · main line 1.e4 Nf6 2.e5 Nd5 3.d4 d6
- 1...d5 Scandinavian Defense7%1 game · scores 0% · main line 1.e4 d5 2.exd5 Nf6 3.d4 Nxd5
As Black against 1.d4
- 1...Nf6 Indian Defense86%6 games · scores 8% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 d5
- 1...d5 Closed Game14%1 game · scores 50% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6
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