g. Ngf3 indicates "knight from the g-file moves into the sq. f3"; R1e2 signifies "rook on the very first rank moves to e2"). For pawns, no letter First is employed; so e4 signifies "pawn moves for the sq. e4". at times https://dianegqwq265971.wikiexpression.com/3539742/the_ultimate_guide_to_chess