rn1qkbnr/3b4/p6p/1ppp4/3p1Q1p/PPN1PPP1/2P1K3/R4BNR w kq - 0 21
FEN state: rn1qkbnr/3b4/p6p/1ppp4/3p1Q1p/PPN1PPP1/2P1K3/R4BNR w kq - 0 21 ; Best move: c3d5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at d7. Black pawn at a6 and black pawn at h6. Black pawn at b5, black pawn at c5 and black pawn at d5. Black pawn at d4, white queen at f4 and black pawn at h4. White pawn at a3, white pawn at b3, white knight at c3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at c2 and white king at e2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 21. White to move.