r1b1qb1r/pppkpp1p/3p1n2/4n1N1/P4P2/6K1/1PPPP2P/RNBQ1BR1 w - - 2 10
FEN state: r1b1qb1r/pppkpp1p/3p1n2/4n1N1/P4P2/6K1/1PPPP2P/RNBQ1BR1 w - - 2 10 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at d6 and black knight at f6. Black knight at e5 and white knight at g5. White pawn at a4 and white pawn at f4. White king at g3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 10. White to move.