r1bk1bnr/pppqpp2/n5pp/Q2p4/P1BP1PP1/1P2P3/2P2K1P/RNB3NR b - - 5 12
FEN state: r1bk1bnr/pppqpp2/n5pp/Q2p4/P1BP1PP1/1P2P3/2P2K1P/RNB3NR b - - 5 12 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at d7, black pawn at e7 and black pawn at f7. Black knight at a6, black pawn at g6 and black pawn at h6. White queen at a5 and black pawn at d5. White pawn at a4, white bishop at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at b3 and white pawn at e3. White pawn at c2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 12. Black to move.