Chess puzzle (Equality)
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Nc3 Bg7 8. Bf4
O-O 9. h3 Re8 10. Be2 Nc6 11. d5 Na5 12. O-O Naxc4 13. Qb3 Na5 14. Qb5 Nd7 15.
Rac1 a6 16. Qb4 b5 17. a4 bxa4 18. Nxa4 Rb8 19. Qa3 Nb6 20. b4 Nxa4 *
Position (FEN): 1rbqr1k1/4ppbp/p2p2p1/n2P4/nP3B2/Q4N1P/4BPP1/2R2RK1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1516
Best move: Qxa4