Klaus Mertens's chess openings
🇩🇪 GermanyFIDE 2034109 games
Klaus Mertens, from Germany, has 109 tournament games in the ChessPrep database. As White, Klaus Mertens most often opens with 1.Nf3 (63% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White43 games · +12 =22 −9 · 53%
As Black66 games · +12 =21 −33 · 34%
As White
- 1.Nf3 Réti Opening63%27 games · scores 54% · main line 1.Nf3 c5 2.c4 Nc6 3.g3 g6
- 1.d4 Queen's Pawn Opening33%14 games · scores 54% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
- 1.b3 Nimzo-Larsen Attack2%1 game · scores 100% · main line 1.b3 e5 2.Bb2 Nc6 3.g3 d5
As Black against 1.e4
- 1...c5 Sicilian Defense56%14 games · scores 39% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1...d6 Pirc Defense24%6 games · scores 67% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 c6
- 1...c6 Caro-Kann Defense20%5 games · scores 30% · main line 1.e4 c6 2.d4 d5 3.exd5 cxd5
As Black against 1.d4
- 1...Nf6 Indian Defense100%28 games · scores 29% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
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