1nbqk1nr/3p1pp1/r2b4/ppp1p2p/2P2PP1/NP6/PBQPPKBP/R5NR b k - 0 12
FEN state: 1nbqk1nr/3p1pp1/r2b4/ppp1p2p/2P2PP1/NP6/PBQPPKBP/R5NR b k - 0 12 ; Best move: b5b4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black rook at a6 and black bishop at d6. Black pawn at a5, black pawn at b5, black pawn at c5, black pawn at e5 and black pawn at h5. White pawn at c4, white pawn at f4 and white pawn at g4. White knight at a3 and white pawn at b3. White pawn at a2, white bishop at b2, white queen at c2, white pawn at d2, white pawn at e2, white king at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.