411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nc3/3...Nf6/4. Bg5/4...Be7/5. e5
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Classical variation C14 Classical variation
5. e5
White attacks the f6 knight and prevents the e-pawn from being taken. Black's knight has three useful retreating moves:
/5...Nfd7/ is the main line, putting pressure on White's center and potentially rerouting the knight to b6 or recapturing on c5 later on.
/5...Ne4/, the Tartakower variation, sees both sides quickly trading both the bishop and the knight.
/5...Ng8/ is the Vistaneckis variation, intending to recapture the bishop with the knight.
Theory table
5...Nfd7 6. Bxe7 Qxe7 Tartakower variation 5...Ne4 6. Bxe7 Qxe7 7. Nxe4 dxe4 + Vistaneckis variation 5...Ng8 6. Be3 c5 +
References
French Defence Traditional_line:_4.Bg5_Be7_5.e5_Nfd7_6.Bxe7_Qxe7