1nb2bnr/rppk2pp/3p1q2/p3pp2/P1PP2P1/BP5B/3QPP1P/RN2K1NR w KQ - 4 10
FEN state: 1nb2bnr/rppk2pp/3p1q2/p3pp2/P1PP2P1/BP5B/3QPP1P/RN2K1NR w KQ - 4 10 ; Best move: g4g5
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black queen at f6. Black pawn at a5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at c4, white pawn at d4 and white pawn at g4. White bishop at a3, white pawn at b3 and white bishop at h3. White queen at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 10. White to move.