Mark C Diesen's chess openings
Peak rating 2460141 games
Mark C Diesen has 141 tournament games in the ChessPrep database. As White, Mark C Diesen most often opens with 1.e4 (65% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White68 games · +25 =27 −16 · 57%
As Black73 games · +20 =34 −19 · 51%
As White
- 1.e4 King's Pawn Opening65%44 games · scores 55% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1.d4 Queen's Pawn Opening16%11 games · scores 64% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1.Nf3 Réti Opening10%7 games · scores 71% · main line 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7
As Black against 1.e4
- 1...c5 Sicilian Defense58%21 games · scores 45% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...Nf6 Alekhine's Defense17%6 games · scores 92% · main line 1.e4 Nf6 2.e5 Nd5 3.d4 d6
- 1...e5 Open Game11%4 games · scores 38% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
As Black against 1.d4
- 1...Nf6 Indian Defense71%12 games · scores 63% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1...d5 Closed Game24%4 games · scores 63% · main line 1.d4 d5 2.c4 e6 3.Nc3 c6
- 1...e6 Horwitz Defense6%1 game · scores 50% · main line 1.d4 e6 2.c4 d5 3.Nf3 Nf6
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