L' ouverture choisie est : E49 Nimzo-Indian: 4.e3, Botvinnik system
Les coups de cette ouverture sont: 1.d4 Cg8f6 2.c4 e6 3.Cb1c3 Ff8b4 4.e3 OO 5.Ff1d3 d5 6.a3 Fb4xc3 7.bxc3
Le code ouverture est:1921 | A | B | C | D | E | F | G | H | | 8 | | | | | | | | | 8 | 7 | | | | | | | | | 7 | 6 | | | | | | | | | 6 | 5 | | | | | | | | | 5 | 4 | | | | | | | | | 4 | 3 | | | | | | | | | 3 | 2 | | | | | | | | | 2 | 1 | | | | | | | | | 1 | | A | B | C | D | E | F | G | H | |
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