411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6/9. Nxc6/9...Bxh2/10. Kh1/10...Qh4/11. Rxe4/11...dxe4/12. Qd8/12...Qxd8
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Ruy Lopez:Riga Variation rd bd qd kd rd pd pd pd pd pd pd nl bl pd pl pl pl pl pl bd rl nl bl kl
Ruy Lopez, Riga Variation, Main Line
White's next move 13. Nxd8+ is likewise forced, completing the queen trade. There is a discovered check coming from the bishop, but nevertheless, white's knight will be hanging and black should take it next turn.
References
Ruy Lopez