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Can someone explain the compensation before the queen sac?

This was posted like a 'find the best move' thread and the replies keep saying Black's activity matters more than the queen. What exactly is White supposed to be afraid of?

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Solve it directly on this main board. After each correct move, the opponent reply autoplays and then it becomes your turn again.

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Last Move Played

13. bxc3

Stored Continuation

13... Nxe4 · 14. Bxe7 · 14... Qb6 · 15. Bc4 · 15... Nxc3 · 16. Bc5

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Black to move

This was posted like a 'find the best move' thread and the replies keep saying Black's activity matters more than the queen. What exactly is White supposed to be afraid of?

Find the next move. After you move, the opponent reply autoplays and then it becomes your turn again.

💬 5 comments

Notes

Written in the tone of a /r/chess puzzle thread where people want the concrete point behind a famous combination, not just the headline move. This seeded post is framed as a public discussion board, not as the demo user's own game. The position itself comes from the exact historical PGN of Donald Byrne vs Robert James Fischer, Rosenwald Trophy (1956), sourced from scripts/data/ghost-games-seed.json and linked there via chessgames.com.

Discussion

5 comments

The queen sac is famous, but the real answer is piece coordination. White's king gets dragged into a position where every black piece hits something.

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