Koller, J's chess openings
🇩🇪 GermanyFIDE 209030 games
Koller, J, from Germany, has 30 tournament games in the ChessPrep database. As White, Koller, J most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White17 games · +5 =4 −8 · 41%
As Black13 games · +3 =1 −9 · 27%
As White
- 1.e4 King's Pawn Opening100%17 games · scores 41% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
As Black against 1.e4
- 1...c5 Sicilian Defense100%5 games · scores 20% · main line 1.e4 c5 2.c3 Nf6 3.e5 Nd5
As Black against 1.d4
- 1...Nf6 Indian Defense100%6 games · scores 42% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
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