B04-B05 Alekhine Defense Modern Variation


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This page is designed for chess beginners and intermediate chess players to learn, in real, the Modern variation of the Alekhine Defense chess opening. The Alekhine's Defense begins as 1.e4 Nf6. Then the Modern variation of the Alekhine's Defence runs in this way: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3.

The Modern variation runs via the Main Line (1.e4 Nf6 2.e5 Nd5). Learn how to play the Modern variation of the Alekhine's for White and Black, move by move...

I. Alekhine Defense Modern Variation


The Modern is very popular variation of the Alekhine Defense. For example, in 2019 at the chess master level, the variation has covered 27-32% of all Alekhine's games (slightly higher than the Exchange). The Modern is ECO codes B04-B05. You can see the Modern variation of the Alekhine Defense in the following picture:

Exchange Variation of Alekhine Defense
Name: Alekhine Defense, Modern Variation
Moves: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3
Runs via the Main Line: 1.e4 Nf6 2.e5 Nd5
ECO codes (Encyclopedia of Chess Openings): B04-B05

Note. B04-B05 start with the following moves:
B04: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3
B05: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4
The Variations of the Alekhine Defense by ECO Codes

Below you can study proven lines of the Modern variation. They were proved by a chess opening book, by a 3.5-million game database, and by a chess engine (it shows who is better in pawns, calculation depth 25: 0-0.50 position equal; 0.51-1.00 slightly better; 1.01-1.50 better; 1.51++ much better; ? weak move).

II. Proven Lines How to Correctly Play Alekhine Defense Modern Variation


1.e4 Nf6
Alekhine Defense

Alekhine Defense
2.e5 Nd5
The Main Line

Main line of Alekhine Defense
3.d4 d6 4.Nf3 ...
Modern Variation (see below)

Variant 1 of 3

Alekhine Defense, Modern Variation

Modern variation of the Alekhine Defense
Below is 3 best moves for Black:
_4... g6 (+0.38) _4... dxe5 (+0.52) _4... Bg4 (+0.60)

Line 4... g6 5.Bc4 (Variant 1 of 3)

4... g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 d5

Line 4... g6 5.Bc4, Modern, Alekhine Defense

8.O-O Nc6 9.c3 O-O 10.f4 f6 11.Nf3 ...

4... g6... 11.Nf3, Modern, Alekhine Defense
Best lines to continue (by chess engine):
11... Bf5 12.Bc2 Bxc2 13.Qxc2 Qd7 (=Equal, +0.45)
11... fxe5 12.fxe5 Na5 13.Bc2 Bg4 (White slightly better, +0.62)

Variant 2 of 3

Alekhine Defense, Modern Variation

Modern variation of the Alekhine Defense
_4... g6 (+0.38) _4... dxe5 (+0.52) _4... Bg4 (+0.60)

Line 4... dxe5 5.Nxe5 (Variant 2 of 3)

4... dxe5 5.Nxe5 c6 6.Be2 Bf5

Line 4... dxe5 5.Nxe5, Modern variation, Alekhine Defense

7.0-0 Nf7 8.Nf3 e6

Line 4... dxe5 5.Nxe5, Modern variation, Alekhine Defense
Best lines to continue (by chess engine):
9.c4 N5b6 10.Nc3 Be7 11.Be3 0-0 (+White slightly better, +0.80)
9.Bd3 Bxd3 10.Qxd3 b5 11.b3 b4 (=Equal, +0.49)

Variant 3 of 3

Alekhine Defense, Modern Variation

Modern variation of the Alekhine Defense
_4... g6 (+0.38) _4... dxe5 (+0.52) _4... Bg4 (+0.60)

Line 4... Bg4 5.Be2 (Variant 3 of 3)

4... Bg4 5.Be2 e6 6.0-0 Be7

Line 4... Bg4 5.Be2, Modern variation, Alekhine Defense

7.c4 Nb6 8.h3 Bh5 9.Nc3 0-0

Line 4... Bg4 5.Be2, Modern variation, Alekhine Defense
Best lines to continue (by chess engine):
10.Be3 Nc6 11.exd6 cxd6 12.d5 exd5 (White slightly better, +0.72)
10.a4 a5 11.exd6 cxd6 12.Bf4 Nc6 (=Equal, +0.45)

Alekhine Defence PGN File 2019

Return to the Main Page of the Alekhine Defense (43)

On this page of chess-openings-for-beginners.blogspot.com you learned the Modern variation of the Alekhine Defense. The ECO codes of the Modern variation are B04-B05. It runs via the Main Line with the moves 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3. The Modern variation is very popular variation of the Alekhine's Defense.