r1b1kbnr/Qp1p2p1/p4pq1/8/1PP1PpP1/3B3p/P4P1P/R3K1NR w Kkq - 2 21
FEN state: r1b1kbnr/Qp1p2p1/p4pq1/8/1PP1PpP1/3B3p/P4P1P/R3K1NR w Kkq - 2 21 ; Best move: a7a8
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. White queen at a7, black pawn at b7, black pawn at d7 and black pawn at g7. Black pawn at a6, black pawn at f6 and black queen at g6. White pawn at b4, white pawn at c4, white pawn at e4, black pawn at f4 and white pawn at g4. White bishop at d3 and black pawn at h3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 21. White to move.