vs 4...Bg4
Against the Alekhine · B05 · you play White. 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6
About the vs 4...Bg4
Against 4...Bg4 White plays Be2, castles and asks the bishop with h3, then kicks the knight with c4. White's space edge and healthy structure give a comfortable game.
Playing the Against the Alekhine as White? The vs 4...Bg4 (B05) begins 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4, and is one of 3 lines you can practise here. You study the moves first and then play them against the computer; every wrong move gets a short explanation. Below the board you find middlegame plans for the vs 4...Bg4, common endgames and games by strong players, so you know what to do once the theory ends. Use it to build your opening repertoire for White, and test what you remember with speed training or the random-position drill.