Chess puzzle (Equality)
Moves: 1. e4 d5 2. e5 c5 3. c3 Bf5 4. g4 Bxb1 5. Rxb1 d4 6. c4 d3 7. Qf3 Qc7 8. Bxd3
Qxe5+ 9. Qe2 Nc6 10. Nf3 Qd6 11. b3 Nf6 12. h3 O-O-O 13. O-O Qxd3 14. Qxd3 Rxd3
15. Ne1 Rxh3 16. f3 Nd4 17. Bb2 Ne2+ 18. Kg2 Nf4+ 19. Kg1 Rg3+ 20. Kh2 Rg2+ *
Position (FEN): 2k2b1r/pp2pppp/5n2/2p5/2P2nP1/1P3P2/PB1P2rK/1R2NR2 w - - 9 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1540
Best move: Nxg2