rnb1k2r/p4ppp/2p1p1Q1/1pPp4/2P2q2/1N4PN/PP5n/R1BB2KR w kq - 1 21
FEN state: rnb1k2r/p4ppp/2p1p1Q1/1pPp4/2P2q2/1N4PN/PP5n/R1BB2KR w kq - 1 21 ; Best move: g6g7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, black pawn at e6 and white queen at g6. Black pawn at b5, white pawn at c5 and black pawn at d5. White pawn at c4 and black queen at f4. White knight at b3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2 and black knight at h2. White rook at a1, white bishop at c1, white bishop at d1, white king at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 21. White to move.