r1b2bnr/pp1p1k2/n1p3pp/1P2pp2/P1P1q3/B2P1Q2/R3NPBP/1N2K2R b K - 0 17
FEN state: r1b2bnr/pp1p1k2/n1p3pp/1P2pp2/P1P1q3/B2P1Q2/R3NPBP/1N2K2R b K - 0 17 ; Best move: e4f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black king at f7. Black knight at a6, black pawn at c6, black pawn at g6 and black pawn at h6. White pawn at b5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at c4 and black queen at e4. White bishop at a3, white pawn at d3 and white queen at f3. White rook at a2, white knight at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White knight at b1, 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 17. Black to move.