1rb1kbr1/ppnpppp1/8/q6p/2PpPP2/PPN1BNP1/2Q3P1/R3KBR1 b Q - 0 12
FEN state: 1rb1kbr1/ppnpppp1/8/q6p/2PpPP2/PPN1BNP1/2Q3P1/R3KBR1 b Q - 0 12 ; Best move: a5c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black knight at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black queen at a5 and black pawn at h5. White pawn at c4, black pawn at d4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white knight at c3, white bishop at e3, white knight at f3 and white pawn at g3. White queen at c2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.