what's next?
- 2 rooks vs king
- 1 queen vs king
- 1 rook vs king
If you have these three go for the hard but important one:
- pawn vs king
Now learn how to recognize some basic tactics like fork, pin, checkmate, and also how to not hang your pieces in one move, and how to recognize your opponent's hanging pieces. It will help you much as long as you're at the beginner level. I watched your game against Seetalam and in that game you were hanging your g5 bishop many moves in a row. If you don't hang your pieces and survive until endgame, then you can learn some endgame stuff. If you do hang your pieces, then learning endgames is useless for you because you don't even reach endgames, or reach them with being down material, which is already a clearly losing position. That's all what I wanted to say