r2qk2r/p1p1ppbp/P1np4/Rp1b4/1P1NP3/6Pp/2PP4/1NBQKB1n w kq - 2 19
FEN state: r2qk2r/p1p1ppbp/P1np4/Rp1b4/1P1NP3/6Pp/2PP4/1NBQKB1n w kq - 2 19 ; Best move: d4f5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. White pawn at a6, black knight at c6 and black pawn at d6. White rook at a5, black pawn at b5 and black bishop at d5. White pawn at b4, white knight at d4 and white pawn at e4. White pawn at g3 and black pawn at h3. White pawn at c2 and white pawn at d2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and black knight at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 19. White to move.