Avatar of Jon Ludvig Hammer

Jon Ludvig Hammer GM

gmjlh Oslo Since 2009 (Active) Chess.com ♟♟♟♟♟♟
72.9%- 21.0%- 6.1%
Rapid 2455 299W 33L 39D
Blitz 2809 3562W 1280L 389D
Bullet 2953 4967W 1229L 313D
Coach Chesswick's Profile Photo
Coach Chesswick

Constructive Feedback for Jon Ludvig Hammer

Jon Ludvig, your recent games show strong strategic understanding and an ability to control the center, especially in your wins where you effectively employed pawn breaks and piece activity. Your handling of complex middlegame positions is commendable, demonstrating good calculation and patience.

Strengths

  • Opening Preparation: You choose solid and flexible openings, such as the Modern Defense and King's Fianchetto structures, allowing you to reach playable middlegame positions where your understanding shines.
  • Positional Play: Your moves like 8.e5 and controlling key central squares have been effective. You also display good coordination between your heavy and minor pieces when building pressure.
  • Endgame Technique: Your wins show confident conversion in simplified positions, utilizing passed pawns and active king positioning adeptly.

Areas for Improvement

  • Time Management: In some losses, time pressure appeared to affect your decision-making, such as the game against schmetterling64 where you lost on time. Managing your clock better during critical moments will help maintain accuracy.
  • Avoiding Overextension: Watch for positions where you push pawns aggressively (e.g., advancing f- or h-pawns) without sufficient backup; occasionally, these moves can weaken your king's safety or lose tactical battles.
  • Calculation Precision in Complex Positions: The losses against strong opposition often involved critical tactical moments where deeper calculation could have changed the evaluation. Reviewing these moments and practicing calculation drills can sharpen this skill.

Suggested Focus Areas

  1. Practice increment or rapid games to improve your time management under pressure.
  2. Analyze games to identify moments when pawn advances create weaknesses, and consider prophylactic moves.
  3. Study tactical motifs related to common middlegame structures you play.

Keep building on your strong positional foundation and endgame technique, and with focused effort on tactical clarity and time control, you'll continue to improve.

Here is your most recent victory sequence for reference:

[Event "Live Chess"]
[Site "Chess.com"]
[Date "2025.03.20"]
[White "gmjlh"]
[Black "AlexandraBotez"]
[Result "1-0"]

1. g3 g6 2. Bg2 Bg7 3. e3 d5 4. d4 c6 5. c4 Nf6 6. cxd5 cxd5 7. Nc3 O-O 8. Nge2 Nc6 9. O-O Bf5 10. Nf4 e6 11. h3 g5 12. Nh5 Nxh5 13. Qxh5 Bg6 14. Qd1 Rb8 15. Bd2 h5 16. Rc1 h4 17. gxh4 gxh4 18. Qg4 Bf5 19. Qe2 Kh7 20. Kh2 Bg6 21. Rg1 Qd6+ 22. f4 Bh6 23. Bf3 Rg8 24. Nb5 Qd7 25. Nc3 Bf5 26. Bg4 Bxg4 27. hxg4 Qe7 28. g5 Bg7 29. Qh5+ 1-0

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