1n1qk2r/1bp2pp1/r1np4/Q2P3p/N3Pp1P/8/PPP1K1P1/R1B2BbR b k - 0 21
FEN state: 1n1qk2r/1bp2pp1/r1np4/Q2P3p/N3Pp1P/8/PPP1K1P1/R1B2BbR b k - 0 21 ; Best move: a6a5
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at f7 and black pawn at g7. Black rook at a6, black knight at c6 and black pawn at d6. White queen at a5, white pawn at d5 and black pawn at h5. White knight at a4, white pawn at e4, black pawn at f4 and white pawn at h4. White pawn at a2, white pawn at b2, white pawn at c2, white king at e2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1, black bishop at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.