About this opening
Sicilian Defense: Kan Variation, Wing Attack is an opening in the Encyclopedia of Chess Openings,
classified under code B43. ECO group B (B00–B99)
covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached
after 10 half-moves from the
starting position, with the move sequence 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5.
It belongs to the Sicilian Defense family.
Within that family this is a level-2 branch (the Kan Variation → Wing Attack line). The immediate parent line is Sicilian Defense: Kan Variation, transitioned via 5…b5.
The opening sequence in prose form: 1.e4 c5, 2.Nf3 e6, 3.d4 cxd4, 4.Nxd4 a6, 5.Nc3 b5. From this position 2 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.
Use the interactive board above to walk through the moves position-by-position. Click any move in the navigation to step backwards, or use the keyboard arrow keys. The list of recorded continuations sits directly below the board. For statistical data — how often master-level players have reached this position, White's win-rate, draw frequency, Black's score — see the panel in the right column.
Caissly's coverage of B43 extends through every named sub-variation in this line and across all four locales (English, Spanish, Portuguese, Russian). Where editorial commentary exists for a specific variation it appears as the page body; otherwise the page presents the structural data, board, and statistics as shown here.