r2qkb1r/p2npppp/1p3B1n/3p4/2p1P1b1/1P1P1PPP/P1P2K2/RN3BNR b k - 1 12
FEN state: r2qkb1r/p2npppp/1p3B1n/3p4/2p1P1b1/1P1P1PPP/P1P2K2/RN3BNR b k - 1 12 ; Best move: d7f6
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black knight at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, white bishop at f6 and black knight at h6. Black pawn at d5. Black pawn at c4, white pawn at e4 and black bishop at g4. White pawn at b3, white pawn at d3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2 and white king at f2. White rook at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.