n2qkb1r/1b1p1p1p/1r6/1pp1pNp1/1pPP2P1/1P5B/P1R1P2P/4K1NR w K - 4 25
FEN state: n2qkb1r/1b1p1p1p/1r6/1pp1pNp1/1pPP2P1/1P5B/P1R1P2P/4K1NR w K - 4 25 ; Best move: d4d5
The current state of the chess board is: Black knight at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at d7, black pawn at f7 and black pawn at h7. Black rook at b6. Black pawn at b5, black pawn at c5, black pawn at e5, white knight at f5 and black pawn at g5. Black pawn at b4, white pawn at c4, white pawn at d4 and white pawn at g4. White pawn at b3 and white bishop at h3. White pawn at a2, white rook at c2, white pawn at e2 and white pawn at h2. White king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 25. White to move.