r2kBbnr/pb1pp3/2p5/3q2pp/3PPp2/Pn1Q2P1/1PP2P1P/RNB1K1NR w KQ - 10 15
FEN state: r2kBbnr/pb1pp3/2p5/3q2pp/3PPp2/Pn1Q2P1/1PP2P1P/RNB1K1NR w KQ - 10 15 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black king at d8, white bishop at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7 and black pawn at e7. Black pawn at c6. Black queen at d5, black pawn at g5 and black pawn at h5. White pawn at d4, white pawn at e4 and black pawn at f4. White pawn at a3, black knight at b3, white queen at d3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, 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 10. Full move number is 15. White to move.