Chess puzzle (Advantage)
Moves: 1. Nf3 e6 2. c4 d6 3. g3 a6 4. Bg2 Bd7 5. O-O Bc6 6. d4 d5 7. cxd5 Bxd5 8. Nc3
Bc6 9. e4 Bb4 10. Be3 Bxc3 11. bxc3 Bxe4 12. c4 Nf6 13. d5 exd5 14. cxd5 Qxd5
15. Qa4+ b5 16. Qa3 Bxf3 17. Bxf3 Qxf3 18. Rfe1 Ne4 19. Qb4 c5 20. Bxc5 Nc6 *
Position (FEN): r3k2r/5ppp/p1n5/1pB5/1Q2n3/5qP1/P4P1P/R3R1K1 w kq - 1 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1291
Best move: Rxe4+