rnb1k2r/pppq2p1/5pn1/1Nbpp2p/3P2P1/4PP2/1PP1Q2P/R1B1KBNR w KQkq - 3 10
FEN state: rnb1k2r/pppq2p1/5pn1/1Nbpp2p/3P2P1/4PP2/1PP1Q2P/R1B1KBNR w KQkq - 3 10 ; Best move: g4h5
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 b7, black pawn at c7, black queen at d7 and black pawn at g7. Black pawn at f6 and black knight at g6. White knight at b5, black bishop at c5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at d4 and white pawn at g4. White pawn at e3 and white pawn at f3. White pawn at b2, white pawn at c2, white queen at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 10. White to move.