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1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4
thier are two main lines here after 6.e3 Bc8 7.dxe5 and 7.Bxc4
| 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4 |
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6...Bc8 is best for the Bishop not 6..Bg6 where
white can exchange it for his knight
| 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4 Bc8 |
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| Best is 6...Bc8 |
7.e3 it was best to bring the knight back to f3 (7.Nf3) to prevent 7...e5!!a great freeing move for black
thier are two main lines here after 7...e5 8.dxe5 and 8.Bxc4
7...e5 8.dxe5 Qxd1+ 9.Nxd1 Bb4+
| 6.Nh4 Bc8 7.e3 e5 8.dxe5 Qxd1+ 9.Nxd1 Bb4+ |
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10.Bd2 Bxd2+ 11.Kxd2 Ne4+ 12.Ke1 Be6
Here black has exchaned his e pawn to preserve his pawn at c4 with 12..Be6 see game below
| 10.Bd2 Bxd2+ 11.Kxd2 Ne4+ 12.Ke1 Be6 |
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[Event "?"] [Site "Netherlands"] [Date "1935.??.??"] [Round "15"] [White "Alekhine,Alexander"] [Black "Euwe,Max"]
[TimeControl "-"] [Result "1/2-1/2"] [ECO "D17"] 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4 Bc8 7.e3 e5 8.dxe5 Qxd1+
9.Nxd1 Bb4+ 10.Bd2 Bxd2+ 11.Kxd2 Ne4+ 12.Ke1 Be6 13.f4 Na6 14.Nf2 Nxf2 15.Kxf2 O-O-O 16.Nf3 Nc5 17.Be2 Nd3+ 18.Kg3 Nxb2 19.Nd4
Rxd4 20.exd4 Rd8 21.Kf2 Rxd4 22.Ke3 c5 23.Ra3 Bf5 24.g4 Be4 25.Rf1 Bc6 26.a5 Nd3 27.Rc3 Re4+ 28.Kd2 Nxf4 29.Bxc4 Rd4+ 30.Kc2
Be4+ 31.Kb3 g5 32.Bxf7 b6 33.Ka3 Kd7 34.Bb3 Kc6 35.Rc4 Rxc4 36.Bxc4 b5 37.Bf7 c4 38.Kb4 Nd3+ 39.Kc3 Nxe5 40.Be8+ Kc5 41.Bxb5
Bd3 42.Re1 Ng6 43.Ba6 Nf4 44.Bb7 Ne2+ 45.Kd2 Nd4 46.Re7 Kb4 47.Be4 Bxe4 48.Rxe4 Nf3+ 49.Ke2 Nxh2 50.Kf2 a6 51.Ke2 Kxa5 52.Rxc4
Kb5 53.Re4 a5 54.Re5+ Kb4 55.Rxg5 a4 56.Kd3 a3 57.Kc2 a2 58.Kb2 a1=Q+ 59.Kxa1 Kc3 60.Rg7 h6 61.Rg6 Kd3 1/2-1/2
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