r1b2k1r/p1p2p2/n2p3b/1q2p1pn/1PQ1PP1p/7P/N1PP2PR/R1BK1BN1 b - - 1 17
FEN state: r1b2k1r/p1p2p2/n2p3b/1q2p1pn/1PQ1PP1p/7P/N1PP2PR/R1BK1BN1 b - - 1 17 ; Best move: b5b6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at f7. Black knight at a6, black pawn at d6 and black bishop at h6. Black queen at b5, black pawn at e5, black pawn at g5 and black knight at h5. White pawn at b4, white queen at c4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at h3. White knight at a2, white pawn at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 17. Black to move.