r1bqkbn1/3ppppr/2p4p/pp6/4PNP1/1P1B4/R1PP1P1P/1NBQK2R w Kq - 0 10
FEN state: r1bqkbn1/3ppppr/2p4p/pp6/4PNP1/1P1B4/R1PP1P1P/1NBQK2R w Kq - 0 10 ; Best move: e4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at c6 and black pawn at h6. Black pawn at a5 and black pawn at b5. White pawn at e4, white knight at f4 and white pawn at g4. White pawn at b3 and white bishop at d3. White rook at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.