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Nimzo-Indian Defense: Classical Variation
E321.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

  • 1

    4...d5 - 5.cxd5 Qxd5
    E344...d5 5.cxd5 Qxd5 6.Nf3

  • 2

    4...d5 - 5.cxd5 exd5
    E354...d5 5.cxd5 exd5 6.Bg5 h6 7.Bh4

  • 3

    4...d5 - 5.a3 - Various 6th Moves
    E364...d5 5.a3 Bxc3+ 6.Qxc3

  • 4

    4...d5 - 5.a3 ~ 6...Ne4
    E374...d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2

  • 5

    4...0-0 - 5.e4 - Sidelines
    E324...O‑O 5.e4

  • 6

    4...0-0 - 5.e4 d5 - Early Alternatives
    E324...O‑O 5.e4 d5 6.e5 Ne4 7.Bd3

  • 7

    4...0-0 - 5.e4 d5 ~ 10...Qh4
    E324...O‑O 5.e4 d5 6.e5 Ne4 7.Bd3 c5 8.Nf3 cxd4 9.Nxd4 Nd7 10.Bf4 Qh4 11.g3

  • 8

    4...0-0 - 5.a3 ~ 6...b5 & 6...Ne4
    E324...O‑O 5.a3 Bxc3+ 6.Qxc3

  • 9

    4...0-0 - 5.a3 ~ 6...d5 7.Bg5
    E324...O‑O 5.a3 Bxc3+ 6.Qxc3 d5 7.Bg5

  • 10

    4...0-0 - 5.a3 ~ 6...d5 7.Nf3
    E324...O‑O 5.a3 Bxc3+ 6.Qxc3 d5 7.Nf3 dxc4 8.Qxc4 b6 9.Bg5

  • 11

    4...0-0 - 5.a3 ~ 6...b6
    E324...O‑O 5.a3 Bxc3+ 6.Qxc3 b6 7.Bg5

  • 12

    Other 4th Moves
    E321.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

E32 Nimzo-Indian Defense: Classical Variation.
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