2b1k2r/rppq4/2npp2n/p5p1/5NP1/N1P1PP2/P1PP3P/R1BQ1KR1 b k - 0 17
FEN state: 2b1k2r/rppq4/2npp2n/p5p1/5NP1/N1P1PP2/P1PP3P/R1BQ1KR1 b k - 0 17 ; Best move: g5f4
The current state of the chess board is: Black bishop at c8, black king at e8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7 and black queen at d7. Black knight at c6, black pawn at d6, black pawn at e6 and black knight at h6. Black pawn at a5 and black pawn at g5. White knight at f4 and white pawn at g4. White knight at a3, white pawn at c3, white pawn at e3 and white pawn at f3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.