Heidorn, O's chess openings
🇩🇪 GermanyFIDE 21196 games
Heidorn, O, from Germany, has 6 tournament games in the ChessPrep database. As White, Heidorn, O most often opens with 1.f4 (33% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White3 games · +1 =1 −1 · 50%
As Black3 games · +0 =1 −2 · 17%
As White
- 1.f4 Bird's Opening33%1 game · scores 50% · main line 1.f4 d5 2.Nf3 Nf6 3.e3 Bg4
- 1.d4 Queen's Pawn Opening33%1 game · scores 100% · main line 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7
- 1.e4 King's Pawn Opening33%1 game · scores 0% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
As Black against 1.e4
- 1...c5 Sicilian Defense100%1 game · scores 0% · main line 1.e4 c5 2.Nc3 Nc6 3.f4 e6
As Black against 1.d4
- 1...Nf6 Indian Defense100%2 games · scores 25% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+
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