Viatcheslav Osnos's chess openings
Peak rating 2510257 games
Viatcheslav Osnos has 257 tournament games in the ChessPrep database. As White, Viatcheslav Osnos most often opens with 1.d4 (52% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White128 games · +37 =69 −22 · 56%
As Black129 games · +28 =61 −40 · 45%
As White
- 1.d4 Queen's Pawn Opening52%67 games · scores 49% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 b6
- 1.c4 English Opening23%29 games · scores 60% · main line 1.c4 Nf6 2.Nc3 e6 3.Nf3 b6
- 1.Nf3 Réti Opening17%22 games · scores 61% · main line 1.Nf3 d5 2.c4 e6 3.d4 Nf6
As Black against 1.e4
- 1...c5 Sicilian Defense88%59 games · scores 47% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1...c6 Caro-Kann Defense6%4 games · scores 50% · main line 1.e4 c6 2.Nc3 d5 3.Nf3 dxe4
- 1...e6 French Defense3%2 games · scores 75% · main line 1.e4 e6 2.d4 d5 3.Nd2 c5
As Black against 1.d4
- 1...Nf6 Indian Defense93%39 games · scores 47% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1...d5 Closed Game2%1 game · scores 50% · main line 1.d4 d5 2.Nc3 c6 3.e4 dxe4
- 1...e6 Horwitz Defense2%1 game · scores 50% · main line 1.d4 e6 2.e4 d5 3.Nc3 Bb4
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