3q2nr/Nrpkpp2/n3b1p1/p1Pp3p/P2P2P1/1P3P1P/4P1B1/2R1K1bR b K - 5 21
FEN state: 3q2nr/Nrpkpp2/n3b1p1/p1Pp3p/P2P2P1/1P3P1P/4P1B1/2R1K1bR b K - 5 21 ; Best move: b7a7
The current state of the chess board is: Black queen at d8, black knight at g8 and black rook at h8. White knight at a7, black rook at b7, black pawn at c7, black king at d7, black pawn at e7 and black pawn at f7. Black knight at a6, black bishop at e6 and black pawn at g6. Black pawn at a5, white pawn at c5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at d4 and white pawn at g4. White pawn at b3, white pawn at f3 and white pawn at h3. White pawn at e2 and white bishop at g2. White rook at c1, white king at e1, black bishop at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 5. Full move number is 21. Black to move.