1nbk4/p1Npbppr/1p6/1P3q2/2P3Pp/NQ4nP/P2PPPBR/R1B1K3 b Q - 2 18
FEN state: 1nbk4/p1Npbppr/1p6/1P3q2/2P3Pp/NQ4nP/P2PPPBR/R1B1K3 b Q - 2 18 ; Best move: f5e5
The current state of the chess board is: Black knight at b8, black bishop at c8 and black king at d8. Black pawn at a7, white knight at c7, black pawn at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at b6. White pawn at b5 and black queen at f5. White pawn at c4, white pawn at g4 and black pawn at h4. White knight at a3, white queen at b3, black knight at g3 and white pawn at h3. White pawn at a2, white pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white rook at h2. White rook at a1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 2. Full move number is 18. Black to move.