If you are stuck in the 1700s, it sounds like you are having conceptual issues. I would need to see those games to truly assess what it is you're doing.
Puzzles, tactics, and endgames are not going to really help if you don't have a way to steer your game into to those avenues well ahead of the time the theme actually appears on the board. Sometimes, the tactic is just a weapon within a variation to obtain some lesser goal by force. Like they say in Hollywood, many of the best scenes in a movie end up on the cutting room floor. Same with these tactics and endgames. Maybe you just "threatened" the tactic as a way to force him to trade his good bishop for your bad one.
Age is an issue too. Most adult players reach their "normal" level after about 8 years of serious study and play. If your past that time period, it is likely that you may not vary more than 100 points or so from that level. The rule is not absolute and a lot of it has to do with your foundation.
Another important factor is to realize that FULLY 50% of chess tournament performance is from non chess factors. Fatigue. Bad habits. Eating. Hydrating during games. Psychological issues, such as freezing up when under attack. You may be able to improve your results by 100-200 points in a short time by addressing and facing the non chess factors that are affecting your tournament results.
If you are stuck in the 1700s, it sounds like you are having conceptual issues. I would need to see those games to truly assess what it is you're doing.
Puzzles, tactics, and endgames are not going to really help if you don't have a way to steer your game into to those avenues well ahead of the time the theme actually appears on the board. Sometimes, the tactic is just a weapon within a variation to obtain some lesser goal by force. Like they say in Hollywood, many of the best scenes in a movie end up on the cutting room floor. Same with these tactics and endgames. Maybe you just "threatened" the tactic as a way to force him to trade his good bishop for your bad one.
Age is an issue too. Most adult players reach their "normal" level after about 8 years of serious study and play. If your past that time period, it is likely that you may not vary more than 100 points or so from that level. The rule is not absolute and a lot of it has to do with your foundation.
Another important factor is to realize that FULLY 50% of chess tournament performance is from non chess factors. Fatigue. Bad habits. Eating. Hydrating during games. Psychological issues, such as freezing up when under attack. You may be able to improve your results by 100-200 points in a short time by addressing and facing the non chess factors that are affecting your tournament results.