About this opening
Ruy Lopez: Marshall Attack, Main Line, Spassky Variation is an opening in the Encyclopedia of Chess Openings,
classified under code C89. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 36 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5.
It belongs to the Ruy Lopez family.
Within that family this is a level-3 branch (the Marshall Attack → Main Line → Spassky Variation line). The immediate parent line is Ruy Lopez: Marshall Attack, Main Line, transitioned via 18…Qh5.
The opening sequence in prose form: 1.e4 e5, 2.Nf3 Nc6, 3.Bb5 a6, 4.Ba4 Nf6, 5.O-O Be7, 6.Re1 b5. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.
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. 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 C89 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.