For Black· 18 lines

Two Knights Defense - Bishop Check Line (6.Bb5+)

White checks with 6.Bb5+, so block with ...c6 and recapture ...bxc6, then meet 8.Bd3 with ...Nd5 and ...Nf4 to grab the bishop. Castle, let White take on e5, and push ...c5, even though it lands isolated. Watch for the 8.Ba4 trap where ...Qd4 nets you a piece. You reach the bishop pair against White's isolated and doubled d-pawns.

Let's learn the Bishop Check Line! White jumps its knight to g5, threatening to fork our queen and rook. We strike back with pawn moves and knight play, leaving White's pieces scattered while our king finds safety. Let's begin with 1.e4.

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Main line

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Key lines

The free lines of this chapter, each one trainable move by move.

  1. Main Line: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. O-O Nf4 11. Re1 Nxd3 12. cxd3 O-O 13. Nxe5 c5
    Main Line

    … 11. Re1 Nxd3 12. cxd3 O-O 13. Nxe5 c5

  2. 8. Qf3: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 h6 9. Bxc6+ Nxc6 10. Qxc6+ Bd7 11. Nxf7 Kxf7 12. Qc4+ Be6
    8. Qf3

    … 7... bxc6 8. Qf3 h6 9. Bxc6+ Nxc6 10. Qxc6+ Bd7 11. Nxf7 Kxf7 12. Qc4+ Be6

  3. Trap: 12.Nc3, you win a piece: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 h6 9. Ne4 cxb5 10. Nxf6+ gxf6 11. Qxa8 Qd7 12. Nc3 Nc6 13. Nxb5 Bc5 14. d4 exd4 15. Bxh6 Rxh6 16. O-O-O Kf8
    Trap: 12.Nc3, you win a piece

    … 7... bxc6 8. Qf3 h6 9. Ne4 cxb5 10. Nxf6+ gxf6 11. Qxa8 Qd7 12. Nc3 Nc6 13. Nxb5 Bc5 14. d4 exd4 15. Bxh6 Rxh6 16. O-O-O Kf8

  4. 8. Qf3: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 h6 9. Ne4 cxb5 10. Nxf6+ gxf6 11. Qxa8 Qd7 12. Qf3 Bb7 13. Qxf6 Rg8 14. Qxe5+ Be7 15. Qb8+ Bd8
    8. Qf3

    … 7... bxc6 8. Qf3 h6 9. Ne4 cxb5 10. Nxf6+ gxf6 11. Qxa8 Qd7 12. Qf3 Bb7 13. Qxf6 Rg8 14. Qxe5+ Be7 15. Qb8+ Bd8

  5. Trap: 8.Ba4, you win a piece: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Nxc6 Qxa4 12. Nxa5 Qxa5 13. Nc3 Bd6
    Trap: 8.Ba4, you win a piece

    … 7... bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Nxc6 Qxa4 12. Nxa5 Qxa5 13. Nc3 Bd6

  6. 8. Ba4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Bxc6+ Nxc6 12. Nxc6 Qd5
    8. Ba4

    … 7... bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Bxc6+ Nxc6 12. Nxc6 Qd5

  7. 8. Ba4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Qe2 Be6 11. Ne5 Qd4 12. Bxc6+ Nxc6 13. Nxc6 Qc5
    8. Ba4

    … 7... bxc6 8. Ba4 h6 9. Nf3 e4 10. Qe2 Be6 11. Ne5 Qd4 12. Bxc6+ Nxc6 13. Nxc6 Qc5

  8. 8. Be2: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ng1 Bc5 11. d3 Qb6 12. Be3 Bxe3 13. fxe3 Nd5
    8. Be2

    … 7... bxc6 8. Be2 h6 9. Nf3 e4 10. Ng1 Bc5 11. d3 Qb6 12. Be3 Bxe3 13. fxe3 Nd5

  9. 8. Be2: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. O-O Qd6 12. Ng4 Bxg4 13. Bxg4 h5
    8. Be2

    … 7... bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. O-O Qd6 12. Ng4 Bxg4 13. Bxg4 h5

  10. Trap: 12.Nc4, you win material: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. O-O Qd6 12. Nc4 Nxc4 13. Bxc4 Ng4 14. g3 Nxf2 15. Rxf2 Bxf2+ 16. Kxf2 Qd4+ 17. Kg2 Qxc4 18. Nc3 O-O
    Trap: 12.Nc4, you win material

    … 7... bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. O-O Qd6 12. Nc4 Nxc4 13. Bxc4 Ng4 14. g3 Nxf2 15. Rxf2 Bxf2+ 16. Kxf2 Qd4+ 17. Kg2 Qxc4 18. Nc3 O-O

  11. 8. Be2: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. c3 O-O 12. d4 exd3 13. Nxd3 Bb6
    8. Be2

    … 7... bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. c3 O-O 12. d4 exd3 13. Nxd3 Bb6

  12. 8. Be2: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. c3 O-O 12. b4 Bd6
    8. Be2

    … 7... bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. c3 O-O 12. b4 Bd6

  13. 9. Ne4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Ne4 Nf4 10. Qf3 f5 11. Ng3 Nxd3+ 12. cxd3 Bb4
    9. Ne4

    … 8... Nd5 9. Ne4 Nf4 10. Qf3 f5 11. Ng3 Nxd3+ 12. cxd3 Bb4

  14. 9. Ne4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Ne4 Nf4 10. O-O f5 11. Ng3 Qd5
    9. Ne4

    … 8... Nd5 9. Ne4 Nf4 10. O-O f5 11. Ng3 Qd5

  15. 9. Ne4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Ne4 Nf4 10. Bf1 f5 11. Nec3 c5 12. d3 Bb7
    9. Ne4

    … 8... Nd5 9. Ne4 Nf4 10. Bf1 f5 11. Nec3 c5 12. d3 Bb7

  16. 9. Ne4: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Ne4 Nf4 10. Bf1 f5 11. Ng3 Bd6 12. d3 c5
    9. Ne4

    … 8... Nd5 9. Ne4 Nf4 10. Bf1 f5 11. Ng3 Bd6 12. d3 c5

  17. Trap: 12.Kxg2, you win the queen: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. O-O Nf4 11. Be2 Nxg2 12. Kxg2 e4 13. Ng1 Qg5+ 14. Bg4 Bxg4 15. Qxg4 Qxg4+ 16. Kh1 Qf4
    Trap: 12.Kxg2, you win the queen

    … 10... Nf4 11. Be2 Nxg2 12. Kxg2 e4 13. Ng1 Qg5+ 14. Bg4 Bxg4 15. Qxg4 Qxg4+ 16. Kh1 Qf4

  18. 11. Nc3: position after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. O-O Nf4 11. Nc3 Nxd3 12. cxd3 O-O
    11. Nc3

    … 10... Nf4 11. Nc3 Nxd3 12. cxd3 O-O

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Learn Bishop Check Line (6.Bb5+) on the board

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