r1q1kbnr/2p5/p1p5/1N1ppPp1/P1PP3p/3B1KP1/Q6P/R1B4R b k - 0 25
FEN state: r1q1kbnr/2p5/p1p5/1N1ppPp1/P1PP3p/3B1KP1/Q6P/R1B4R b k - 0 25 ; Best move: e5e4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7. Black pawn at a6 and black pawn at c6. White knight at b5, black pawn at d5, black pawn at e5, white pawn at f5 and black pawn at g5. White pawn at a4, white pawn at c4, white pawn at d4 and black pawn at h4. White bishop at d3, white king at f3 and white pawn at g3. White queen at a2 and white pawn at h2. White rook at a1, white bishop at c1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 25. Black to move.