r1bk1bnr/p1pp3p/1p4p1/3Ppp2/1n4qP/NP2P3/P1PB1P1R/R2QKBN1 b Q - 1 13
FEN state: r1bk1bnr/p1pp3p/1p4p1/3Ppp2/1n4qP/NP2P3/P1PB1P1R/R2QKBN1 b Q - 1 13 ; Best move: g4g1
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 pawn at a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black pawn at b6 and black pawn at g6. White pawn at d5, black pawn at e5 and black pawn at f5. Black knight at b4, black queen at g4 and white pawn at h4. White knight at a3, white pawn at b3 and white pawn at e3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at f2 and white rook at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.