r2qkbn1/pp2pppr/n1pp4/4N2p/3P2b1/PP4P1/2PKPP1P/RNBQ1BR1 b q - 3 8
FEN state: r2qkbn1/pp2pppr/n1pp4/4N2p/3P2b1/PP4P1/2PKPP1P/RNBQ1BR1 b q - 3 8 ; Best move: d6e5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black pawn at c6 and black pawn at d6. White knight at e5 and black pawn at h5. White pawn at d4 and black bishop at g4. White pawn at a3, white pawn at b3 and white pawn at g3. White pawn at c2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 3. Full move number is 8. Black to move.