1nbq1b1r/2pkpp2/5npp/rp1p4/p1N3PP/P2P1P2/1PP1P2R/R1BQK1NB w Q - 0 12
FEN state: 1nbq1b1r/2pkpp2/5npp/rp1p4/p1N3PP/P2P1P2/1PP1P2R/R1BQK1NB w Q - 0 12 ; Best move: c4a5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black king at d7, black pawn at e7 and black pawn at f7. Black knight at f6, black pawn at g6 and black pawn at h6. Black rook at a5, black pawn at b5 and black pawn at d5. Black pawn at a4, white knight at c4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at d3 and white pawn at f3. White pawn at b2, white pawn at c2, white pawn at e2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white bishop at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.