Your Strengths
You consistently show solid positional understanding and a strong ability to convert advantages when you have them. In your win against Dan Shapiro in the Queen's Gambit Accepted, you demonstrated excellent endgame technique, calmly improving your pieces and using your rooks on the seventh rank to force resignation. That game is a model of how to grind out a win from a small edge.
Your attacking instincts are also sharp. Against Alfredo Cecilio Miserendino in the Sicilian Defense, you created immediate threats in the Alapin line, won material, and kept the pressure on until your opponent ran out of time. That kind of active play puts opponents under constant strain.
Areas to Improve
While your endgame play is strong when you are ahead, you sometimes struggle to hold difficult endgames. In the loss to Vihaan Jammalamadaka, you reached a complex rook ending but allowed your opponent's passed pawn to decide the game. Focus on defensive endgame techniques, especially rook endgames, to turn those losses into draws.
Tactical sharpness in closed positions is another area to work on. In the loss to Samuel Toro Ramirez, you allowed a pawn storm after a slightly passive setup, and then missed a tactical blow that ended the game. Reviewing your calculation in such positions will help you spot counterplay earlier. Consider studying tactics puzzles that involve pawn breaks and knight forks.
You also missed a chance to convert a better position in the draw against dazed777. After winning a pawn, you allowed a repetition instead of finding a way to keep the advantage. Work on converting winning positions by looking for active moves rather than forcing checks that lead to repetition.
Opening Preparation
Your results in certain openings suggest your opening preparation could be refined. Your win rate in the English Opening Caro-Kann Defensive System (as Black) is noticeably low, and the French Defense Exchange Variation (as White) also gives you trouble. Reviewing these lines and understanding the typical plans will help you avoid early disadvantages.
In the win against nitpicker you handled the Queen's Gambit Accepted well, but in the loss to elessar16 you struggled with the Rossolimo Sicilian. Consider adding a more solid setup against the Rossolimo, or study the typical pawn structure to improve your middlegame plans.
Time Management
Your clock management is generally solid, but in the win against Alfredo Cecilio Miserendino you had a winning position and still needed to flag your opponent. When you have a clear advantage, try to convert efficiently without giving counterplay. In the loss to Vihaan Jammalamadaka, you had enough time but lost focus in the endgame. Use your time to calculate accurately in critical moments rather than rushing.
Summary
You are a strong, versatile player with a good feel for positional play and endgame conversion. To take the next step, focus on three things: sharpening your tactical radar in closed positions, improving your defensive endgame technique, and reviewing your opening choices in the lines where your results lag. The games against Dan Shapiro and Alfredo Cecilio Miserendino show what you are capable of when you play actively. Bring that same energy to every game, and you will turn more of those close losses into wins.