Koen Mathijssen's chess openings
5 games
Koen Mathijssen has 5 tournament games in the ChessPrep database. As White, Koen Mathijssen 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 White2 games · +1 =0 −1 · 50%
As Black3 games · +1 =1 −1 · 50%
As White
- 1.e4 King's Pawn Opening100%2 games · scores 50% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
As Black against 1.e4
- 1...e5 Open Game100%1 game · scores 100% · main line 1.e4 e5 2.Nc3 Bc5 3.Bc4 Nf6
As Black against 1.d4
- 1...Nf6 Indian Defense100%2 games · scores 25% · main line 1.d4 Nf6 2.Nf3 g6 3.c3 Bg7
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