4kb1r/5pp1/1q2np2/1pppP3/P2r2bN/2QB1P1P/R1P5/4K2R b K - 0 25
FEN state: 4kb1r/5pp1/1q2np2/1pppP3/P2r2bN/2QB1P1P/R1P5/4K2R b K - 0 25 ; Best move: b5b4
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at h8. Black pawn at f7 and black pawn at g7. Black queen at b6, black knight at e6 and black pawn at f6. Black pawn at b5, black pawn at c5, black pawn at d5 and white pawn at e5. White pawn at a4, black rook at d4, black bishop at g4 and white knight at h4. White queen at c3, white bishop at d3, white pawn at f3 and white pawn at h3. White rook at a2 and white pawn at c2. White king at e1 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.