Jakobsen, O's chess openings
Peak rating 2425200 games
Jakobsen, O has 200 tournament games in the ChessPrep database. As White, Jakobsen, O most often opens with 1.d4 (97% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White108 games · +44 =49 −15 · 63%
As Black92 games · +30 =31 −31 · 49%
As White
- 1.d4 Queen's Pawn Opening97%105 games · scores 63% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 b6
- 1.Nf3 Réti Opening2%2 games · scores 50% · main line 1.Nf3 d5 2.c4 c6 3.e3 Nf6
- 1.c4 English Opening1%1 game · scores 100% · main line 1.c4 e5 2.g3 Nf6 3.Bg2 c6
As Black against 1.e4
- 1...c5 Sicilian Defense90%46 games · scores 47% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1...d6 Pirc Defense6%3 games · scores 33% · main line 1.e4 d6 2.d4 g6 3.Nc3 Bg7
- 1...e6 French Defense4%2 games · scores 25% · main line 1.e4 e6 2.d4 d5 3.Nc3 Nf6
As Black against 1.d4
- 1...Nf6 Indian Defense67%16 games · scores 59% · main line 1.d4 Nf6 2.c4 c5 3.Nf3 cxd4
- 1...d617%4 games · scores 50% · main line 1.d4 d6 2.e4 g6 3.Nc3 Bg7
- 1...d5 Closed Game13%3 games · scores 33% · main line 1.d4 d5 2.Nf3 Nf6 3.e3 g6
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