Ruy Lopez: Marshall Attack
ECO C89intermediate
The Marshall Attack — 3...a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5!? — is the most successful gambit in classical chess: Frank Marshall reportedly saved it years for Capablanca (who refuted it over the board in 1918), yet a century of analysis vindicated Black. After 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6, Black's pieces flow toward White's king with an initiative so durable that elite White players overwhelmingly dodge it with anti-Marshall systems (8.a4, 8.h3).
Main line
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
Diagram shows the position after 6 half-moves of the main line. On SpeakChess you can drill this line move by move — the trainer plays the other side and corrects you instantly, then spaced repetition schedules each variation so you review it right before you would forget it.
Win rates by rating
Results from real online games, measured after the line shown in each row. Most opening sites show one aggregate number — how an opening scores depends heavily on who is playing it.
| Rating | Games | White wins | Draws | Black wins | Position after |
|---|---|---|---|---|---|
| 400-600 | 41 | 36.6% | 7.3% | 56.1% | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 |
| 600-800 | 38 | 44.7% | 2.6% | 52.6% | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O |
| 800-1000 | 293 | 39.9% | 1.4% | 58.7% | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O |
| 1000-1200 | 43 | 55.8% | 2.3% | 41.9% | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 |
| 1200-1400 | 168 | 55.4% | 2.4% | 42.3% | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 |
Most played continuations (800-1000 rating)
After 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O:
- b5 — played 32.4% of the time (White wins 36.8%, draws 0%, Black wins 63.2%)
- Nxe4 — played 28% of the time (White wins 43.9%, draws 1.2%, Black wins 54.9%)
- Bc5 — played 19.5% of the time (White wins 47.4%, draws 0%, Black wins 52.6%)
Related openings
Frequently asked questions
Is the Marshall Attack sound?
Remarkably, yes — engine-checked theory confirms Black's pawn deficit is fully offset by enduring piece pressure, and many main lines end in forced draws White cannot avoid. That is precisely why 8.a4 and 8.h3 anti-Marshalls dominate modern elite play: avoiding the debate is easier than winning it.
What does Black actually get for the pawn?
After the standard 11...c6 12.d4 Bd6, every Black piece points at White's kingside: ...Qh4, ...Bg4 or ...Bf5 and rook lifts arrive with tempo while White's queenside sleeps. The attack persists even through queen trades — Marshall endgames a pawn down are notoriously drawish or worse for White.
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