Chess puzzle (Equality)
Moves: 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 O-O 6. e3 Nbd7 7. Nge2 c5 8. d5
Nb6 9. b3 Nfxd5 10. cxd5 Bg4 11. Rb1 *
Position (FEN): r2q1rk1/pp2ppbp/1n1p2p1/2pP4/6b1/1PN1P1P1/P3NPBP/1RBQK2R b K - 2 11
Black to move.
Themes:  Opening  
Puzzle rating: 1902
Best move: Bxc3+