r3knr1/pbpp2p1/2n1p3/1pP2pPp/P4PNQ/1P5B/3bP2P/1RB2K1R b q - 2 18
FEN state: r3knr1/pbpp2p1/2n1p3/1pP2pPp/P4PNQ/1P5B/3bP2P/1RB2K1R b q - 2 18 ; Best move: h5g4
The current state of the chess board is: Black rook at a8, black king at e8, black knight at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black knight at c6 and black pawn at e6. Black pawn at b5, white pawn at c5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at a4, white pawn at f4, white knight at g4 and white queen at h4. White pawn at b3 and white bishop at h3. Black bishop at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white king at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 18. Black to move.