Erich Rudolf Koser's chess openings
7 games
Erich Rudolf Koser has 7 tournament games in the ChessPrep database. As White, Erich Rudolf Koser most often opens with 1.f4 (100% of games). As Black, against 1.d4 it is 1...Nf6.
As White5 games · +2 =1 −2 · 50%
As Black2 games · +1 =1 −0 · 75%
As White
- 1.f4 Bird's Opening100%5 games · scores 50% · main line 1.f4 e5 2.fxe5 d6 3.exd6 Bxd6
As Black against 1.d4
- 1...Nf6 Indian Defense100%1 game · scores 100% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
Playing Erich Rudolf Koser soon?
ChessPrep shows every line Erich Rudolf Koser plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep