3k2nr/rppb2b1/6p1/p2ppp2/4PPP1/qPP4N/P1nPBK2/R1B3R1 w - - 0 21
FEN state: 3k2nr/rppb2b1/6p1/p2ppp2/4PPP1/qPP4N/P1nPBK2/R1B3R1 w - - 0 21 ; Best move: c1a3
The current state of the chess board is: Black king at d8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black bishop at d7 and black bishop at g7. Black pawn at g6. Black pawn at a5, black pawn at d5, black pawn at e5 and black pawn at f5. White pawn at e4, white pawn at f4 and white pawn at g4. Black queen at a3, white pawn at b3, white pawn at c3 and white knight at h3. White pawn at a2, black knight at c2, white pawn at d2, white bishop at e2 and white king at f2. White rook at a1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.