1rb1kb1r/p3pp1p/n1qp2p1/1pp1P3/1P6/N1PP1Pn1/P3N2P/R2QBBKR b k - 0 17
FEN state: 1rb1kb1r/p3pp1p/n1qp2p1/1pp1P3/1P6/N1PP1Pn1/P3N2P/R2QBBKR b k - 0 17 ; Best move: g3f1
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black queen at c6, black pawn at d6 and black pawn at g6. Black pawn at b5, black pawn at c5 and white pawn at e5. White pawn at b4. White knight at a3, white pawn at c3, white pawn at d3, white pawn at f3 and black knight at g3. White pawn at a2, white knight at e2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at e1, white bishop at f1, white king at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.