Koch, JR's chess openings
IM🇫🇷 FranceFIDE 2433160 games
Koch, JR, International Master from France, has 160 tournament games in the ChessPrep database. As White, Koch, JR most often opens with 1.e4 (57% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...d5.
As White84 games · +25 =32 −27 · 49%
As Black76 games · +18 =35 −23 · 47%
As White
- 1.e4 King's Pawn Opening57%48 games · scores 48% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
- 1.c4 English Opening42%35 games · scores 50% · main line 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6
- 1.Nf3 Réti Opening1%1 game · scores 50% · main line 1.Nf3 d5 2.g3 c6 3.c4 g6
As Black against 1.e4
- 1...e5 Open Game64%27 games · scores 44% · main line 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6
- 1...c5 Sicilian Defense26%11 games · scores 68% · main line 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- 1...g6 Modern Defense5%2 games · scores 75% · main line 1.e4 g6 2.d4 Bg7 3.Nc3 c6
As Black against 1.d4
- 1...d5 Closed Game70%16 games · scores 34% · main line 1.d4 d5 2.c4 e6 3.Nc3 c5
- 1...f5 Dutch Defense26%6 games · scores 25% · main line 1.d4 f5 2.g3 Nf6 3.Bg2 g6
- 1...Nf6 Indian Defense4%1 game · scores 100% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
Playing Koch, JR soon?
ChessPrep shows every line Koch, JR plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep