L' ouverture choisie est : E23 Nimzo-Indian: Spielmann, 4...c5, 5.dc Nc6
Les coups de cette ouverture sont: 1.d4 Cg8f6 2.c4 e6 3.Cb1c3 Ff8b4 4.Dd1b3 c5 5.dxc5 Cb8c6
Le code ouverture est:1877 | 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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