Jan Kostlan's chess openings
🇨🇿 CzechiaFIDE 190228 games
Jan Kostlan, from Czechia, has 28 tournament games in the ChessPrep database. As White, Jan Kostlan most often opens with 1.d4 (92% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...e6.
As White12 games · +4 =0 −8 · 33%
As Black16 games · +7 =3 −6 · 53%
As White
- 1.d4 Queen's Pawn Opening92%11 games · scores 36% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1.e4 King's Pawn Opening8%1 game · scores 0% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
As Black against 1.e4
- 1...e6 French Defense71%5 games · scores 60% · main line 1.e4 e6 2.d4 d5 3.Nd2 Nf6
- 1...d6 Pirc Defense29%2 games · scores 75% · main line 1.e4 d6 2.d4 g6 3.Bc4 Bg7
As Black against 1.d4
- 1...e6 Horwitz Defense100%4 games · scores 13% · main line 1.d4 e6 2.e4 d5 3.Nd2 dxe4
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