rn2k2r/2p1n3/b2pBb1p/pq4p1/1RP1p3/3QPPP1/1P2K2P/2B3NR b q - 1 25
FEN state: rn2k2r/2p1n3/b2pBb1p/pq4p1/1RP1p3/3QPPP1/1P2K2P/2B3NR b q - 1 25 ; Best move: e4d3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at c7 and black knight at e7. Black bishop at a6, black pawn at d6, white bishop at e6, black bishop at f6 and black pawn at h6. Black pawn at a5, black queen at b5 and black pawn at g5. White rook at b4, white pawn at c4 and black pawn at e4. White queen at d3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white king at e2 and white pawn at h2. White bishop at c1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 25. Black to move.