Ja1 Petr's chess openings
🇨🇿 CzechiaFIDE 202181 games
Ja1 Petr, from Czechia, has 81 tournament games in the ChessPrep database. As White, Ja1 Petr most often opens with 1.e4 (81% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...d5.
As White37 games · +10 =13 −14 · 45%
As Black44 games · +6 =11 −27 · 26%
As White
- 1.e4 King's Pawn Opening81%30 games · scores 38% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1.c4 English Opening11%4 games · scores 63% · main line 1.c4 Nf6 2.Nc3 e5 3.g3 d5
- 1.f4 Bird's Opening5%2 games · scores 100% · main line 1.f4 c6 2.Nf3 d5 3.g3 g6
As Black against 1.e4
- 1...e5 Open Game89%17 games · scores 50% · main line 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6
- 1...c6 Caro-Kann Defense5%1 game · scores 0% · main line 1.e4 c6 2.c4 d6 3.Nc3 g6
- 1...c5 Sicilian Defense5%1 game · scores 0% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
As Black against 1.d4
- 1...d5 Closed Game65%11 games · scores 9% · main line 1.d4 d5 2.c4 Nc6 3.Nf3 Bg4
- 1...Nf6 Indian Defense35%6 games · scores 17% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
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