Thorsteinn Thorsteinsson's chess openings
FM🇮🇸 IcelandFIDE 2204300 games
Thorsteinn Thorsteinsson, FIDE Master from Iceland, has 300 tournament games in the ChessPrep database. As White, Thorsteinn Thorsteinsson most often opens with 1.d4 (60% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White154 games · +49 =72 −33 · 55%
As Black146 games · +32 =62 −52 · 43%
As White
- 1.d4 Queen's Pawn Opening60%92 games · scores 58% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
- 1.c4 English Opening19%29 games · scores 48% · main line 1.c4 Nf6 2.Nc3 g6 3.g3 Bg7
- 1.e4 King's Pawn Opening12%18 games · scores 44% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
As Black against 1.e4
- 1...c5 Sicilian Defense65%40 games · scores 51% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...e5 Open Game11%7 games · scores 43% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
- 1...g6 Modern Defense11%7 games · scores 50% · main line 1.e4 g6 2.d4 Bg7 3.Nc3 c6
As Black against 1.d4
- 1...Nf6 Indian Defense45%26 games · scores 40% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 d5
- 1...d5 Closed Game43%25 games · scores 40% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6
- 1...e6 Horwitz Defense5%3 games · scores 33% · main line 1.d4 e6 2.c4 f5 3.g3 Nf6
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