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B52 Sicilian Defense: Moscow Variation, Haag Gambit8a7b6c5d4e3f2g1h
1.e4 c5 2.♘f3 d6 3.♗b5+ ♗d7 4.♗xd7+ ♕xd7 5.O-O ♘c6 6.c3 ♘f6 7.d4

B52 is the opening Sicilian Defense: Moscow Variation, Haag Gambit of the volume B · Semi-open games: 13 half-moves to the position in the diagram, 3 variations in the ECO table.

What the games say

4,902 games in the collections, from 1941 to 2022. Mean rating of the games with ratings: 2459.

White wins 27 %, draws 51 %, Black wins 23 %

Most games: Georgiev, Krum (54), Rublevsky, Sergei (47), Glek, Igor V (39), Komliakov, Viktor (37), Nevednichy, Vladislav (37)

All 3 variations

  1. Sicilian Defense: Moscow Variation, Haag Gambit 1.e4 c5 2.♘f3 d6 3.♗b5+ ♗d7 4.♗xd7+ ♕xd7 5.O-O ♘c6 6.c3 ♘f6 7.d4
  2. Sicilian Defense: Moscow Variation, Main Line 1.e4 c5 2.♘f3 d6 3.♗b5+ ♗d7
  3. Sicilian Defense: Moscow Variation, Sokolsky Variation 1.e4 c5 2.♘f3 d6 3.♗b5+ ♗d7 4.♗xd7+ ♕xd7 5.c4