rnbq2nr/2ppb3/p2kpppp/1P6/4P1P1/3P1Q1B/RPP2P1P/1NB1K1NR w K - 0 10
FEN state: rnbq2nr/2ppb3/p2kpppp/1P6/4P1P1/3P1Q1B/RPP2P1P/1NB1K1NR w K - 0 10 ; Best move: e4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7 and black bishop at e7. Black pawn at a6, black king at d6, black pawn at e6, black pawn at f6, black pawn at g6 and black pawn at h6. White pawn at b5. White pawn at e4 and white pawn at g4. White pawn at d3, white queen at f3 and white bishop at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.