rnb3nr/8/q1p1pkpp/1p1P4/pR1P4/P1B1P1PP/3QN3/3NKB1R b K - 0 25
FEN state: rnb3nr/8/q1p1pkpp/1p1P4/pR1P4/P1B1P1PP/3QN3/3NKB1R b K - 0 25 ; Best move: e6d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black queen at a6, black pawn at c6, black pawn at e6, black king at f6, black pawn at g6 and black pawn at h6. Black pawn at b5 and white pawn at d5. Black pawn at a4, white rook at b4 and white pawn at d4. White pawn at a3, white bishop at c3, white pawn at e3, white pawn at g3 and white pawn at h3. White queen at d2 and white knight at e2. White knight at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 25. Black to move.