1r2k1nr/p1pbpp1p/1p4pb/3p4/1n3P2/q2PPBPN/P1P4P/RNBQK2R b k - 1 12
FEN state: 1r2k1nr/p1pbpp1p/1p4pb/3p4/1n3P2/q2PPBPN/P1P4P/RNBQK2R b k - 1 12 ; Best move: a3a4
The current state of the chess board is: Black rook at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at g6 and black bishop at h6. Black pawn at d5. Black knight at b4 and white pawn at f4. Black queen at a3, white pawn at d3, white pawn at e3, white bishop at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 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.