Jon Arni Halldorsson's chess openings
CM🇮🇸 IcelandFIDE 2037308 games
Jon Arni Halldorsson, Candidate Master from Iceland, has 308 tournament games in the ChessPrep database. As White, Jon Arni Halldorsson most often opens with 1.d4 (99% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...d5.
As White136 games · +50 =45 −41 · 53%
As Black172 games · +45 =48 −79 · 40%
As White
- 1.d4 Queen's Pawn Opening99%134 games · scores 53% · main line 1.d4 d5 2.c4 c6 3.Nf3 Nf6
- 1.Nf3 Réti Opening1%1 game · scores 100% · main line 1.Nf3 d5 2.d4 c6 3.c4 e6
As Black against 1.e4
- 1...e6 French Defense99%72 games · scores 41% · main line 1.e4 e6 2.d4 d5 3.Nc3 Nf6
- 1...c6 Caro-Kann Defense1%1 game · scores 50% · main line 1.e4 c6 2.d4 d5 3.exd5 cxd5
As Black against 1.d4
- 1...d5 Closed Game93%51 games · scores 39% · main line 1.d4 d5 2.c4 c6 3.Nf3 Nf6
- 1...f5 Dutch Defense5%3 games · scores 50% · main line 1.d4 f5 2.c4 Nf6 3.Nc3 g6
- 1...Nf6 Indian Defense2%1 game · scores 100% · main line 1.d4 Nf6 2.Bf4 b6 3.e3 Bb7
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