1n2k2r/rp2p1bp/2p2n2/p2pq1p1/3PPpb1/PP4NP/1BPK1PB1/2RQ2NR b k - 5 17
FEN state: 1n2k2r/rp2p1bp/2p2n2/p2pq1p1/3PPpb1/PP4NP/1BPK1PB1/2RQ2NR b k - 5 17 ; Best move: e5e4
The current state of the chess board is: Black knight at b8, black king at e8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at c6 and black knight at f6. Black pawn at a5, black pawn at d5, black queen at e5 and black pawn at g5. White pawn at d4, white pawn at e4, black pawn at f4 and black bishop at g4. White pawn at a3, white pawn at b3, white knight at g3 and white pawn at h3. White bishop at b2, white pawn at c2, white king at d2, white pawn at f2 and white bishop at g2. White rook at c1, white queen at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 5. Full move number is 17. Black to move.