r1bqk3/1p2pp1r/n2p4/pPP1bPpp/P1n1P1PP/2P4Q/4KB2/RN3BNR b q - 2 22
FEN state: r1bqk3/1p2pp1r/n2p4/pPP1bPpp/P1n1P1PP/2P4Q/4KB2/RN3BNR b q - 2 22 ; Best move: a6c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at b7, black pawn at e7, black pawn at f7 and black rook at h7. Black knight at a6 and black pawn at d6. Black pawn at a5, white pawn at b5, white pawn at c5, black bishop at e5, white pawn at f5, black pawn at g5 and black pawn at h5. White pawn at a4, black knight at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at c3 and white queen at h3. White king at e2 and white bishop at f2. White rook at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 22. Black to move.