r1bk1bnr/2qp4/pp5p/Q1p1pP1P/2Pn1p2/NP2P3/P2PN2R/R1B1KB2 b Q - 8 17
FEN state: r1bk1bnr/2qp4/pp5p/Q1p1pP1P/2Pn1p2/NP2P3/P2PN2R/R1B1KB2 b Q - 8 17 ; Best move: b6a5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at c7 and black pawn at d7. Black pawn at a6, black pawn at b6 and black pawn at h6. White queen at a5, black pawn at c5, black pawn at e5, white pawn at f5 and white pawn at h5. White pawn at c4, black knight at d4 and black pawn at f4. White knight at a3, white pawn at b3 and white pawn at e3. White pawn at a2, white pawn at d2, white knight at e2 and white rook at h2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 8. Full move number is 17. Black to move.