Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. a3 d5 7. Bg5 dxc4 8.
Nxc6 Qxd1+ 9. Rxd1 bxc6 10. e3 Nd5 11. Bxc4 Nxc3 *
Position (FEN): r1b1kb1r/p4ppp/2p1p3/6B1/2B5/P1n1P3/1P3PPP/3RK2R w Kkq - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 868
Best move: Rd8#