Jan Ontkovic's chess openings
7 games
Jan Ontkovic has 7 tournament games in the ChessPrep database. As White, Jan Ontkovic most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense.
As White3 games · +2 =0 −1 · 67%
As Black4 games · +0 =1 −3 · 13%
As White
- 1.e4 King's Pawn Opening100%3 games · scores 67% · main line 1.e4 c6 2.d4 d5 3.exd5 cxd5
As Black against 1.e4
- 1...c5 Sicilian Defense67%2 games · scores 0% · main line 1.e4 c5 2.c3 d6 3.d4 cxd4
- 1...e5 Open Game33%1 game · scores 50% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
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