several reasons:
1. you may frequently lose on time in winning positions.
2. you may not actually be as strong a player as you think.
3. your rating is highly volatile because you do not play many live chess games.
4. you make the last blunder.
several reasons:
1. you may frequently lose on time in winning positions.
2. you may not actually be as strong a player as you think.
3. your rating is highly volatile because you do not play many live chess games.
4. you make the last blunder.
Please say something regarding this.