1nbq2nr/r3pkb1/1Np2p2/p6p/Pp1P1Pp1/R2Q3P/1PP1P1P1/1NB1KB1R b K - 1 13
FEN state: 1nbq2nr/r3pkb1/1Np2p2/p6p/Pp1P1Pp1/R2Q3P/1PP1P1P1/1NB1KB1R b K - 1 13 ; Best move: d8b6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at e7, black king at f7 and black bishop at g7. White knight at b6, black pawn at c6 and black pawn at f6. Black pawn at a5 and black pawn at h5. White pawn at a4, black pawn at b4, white pawn at d4, white pawn at f4 and black pawn at g4. White rook at a3, white queen at d3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at e2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.