Oldrich Jonas's chess openings
🇿🇦 South Africa14 games
Oldrich Jonas, from South Africa, has 14 tournament games in the ChessPrep database. As White, Oldrich Jonas most often opens with 1.Nf3 (57% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense.
As White7 games · +2 =2 −3 · 43%
As Black7 games · +2 =1 −4 · 36%
As White
- 1.Nf3 Réti Opening57%4 games · scores 38% · main line 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7
- 1.c4 English Opening29%2 games · scores 75% · main line 1.c4 f5 2.Nf3 e6 3.b3 Nf6
- 1.d4 Queen's Pawn Opening14%1 game · scores 0% · main line 1.d4 d5 2.Nf3 Nf6 3.c4 c6
As Black against 1.e4
- 1...c5 Sicilian Defense100%6 games · scores 42% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
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