1rb1kbr1/p2qnpp1/2pp4/1p2pQ2/1nPPP2P/NP4PR/P4P2/R1B1KBN1 b Q - 0 11
FEN state: 1rb1kbr1/p2qnpp1/2pp4/1p2pQ2/1nPPP2P/NP4PR/P4P2/R1B1KBN1 b Q - 0 11 ; Best move: e7f5
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 queen at d7, black knight at e7, black pawn at f7 and black pawn at g7. Black pawn at c6 and black pawn at d6. Black pawn at b5, black pawn at e5 and white queen at f5. Black knight at b4, white pawn at c4, white pawn at d4, white pawn at e4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at g3 and white rook at h3. White pawn at a2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 11. Black to move.