Dietmar Hiermann (aka Didi67) – The FIDE Master with a Quirky Checkmate
Meet Dietmar Hiermann, a chess warrior proudly holding the title of FIDE Master. Widely known by the chess handles and friends as Didi67, Dietmar has danced through thousands of blitz and bullet games, showcasing a combination of tactical ingenuity and resilience most grandmasters envy.
Dietmar’s journey on the 64 squares is anything but boring. With a blitz rating soaring up to an impressive 2371 in 2024, and bullet performance steadily rocking around the 1800s, Didi67 proves that quick thinking under pressure is his jam. He even sports a mean comeback rate of over 92% and an almost legendary 99.55% win rate after losing a piece—talk about turning disaster into triumph!
Not one to shy from a fight, Dietmar’s longest winning streak hits a cool 12 games, with a playing style that loves the thrill of the endgame, appearing in over 82% of his matches. Average moves per win? Almost 78—a testament to his strategic patience and skillful maneuvering.
His opening book might be “Top Secret,” but one thing’s clear: it yields a solid 57.8% win rate in blitz games after hundreds of battles. He’s equally comfortable playing white or black, boasting a win percentage north of 56% with the dark pieces.
Dietmar’s consistency varies by day and hour—early mornings around 8 AM and afternoons see his highest win rates, and Fridays and Sundays are his lucky days. Beware if you face him while the moon shines; games late at night might be a bit less predictable.
Off the board, Didi67 is rumored to have a tilt factor of 5, meaning he might occasionally sulk after a blunder—but don’t let that fool you, his rated-versus-casual win difference of nearly 58% shows he loves the serious competition, even if casual chats go sideways.
Dietmar Hiermann is no mere player—he’s a battle-tested strategist and a beloved member of the chess community whose games remind us all that a piece lost is merely an invitation for a spectacular comeback.
Hi Dietmar (“Didi67”) 👋 – Performance Review & Next-step Advice
1. Snapshot
- Current focus: 3 | 1 blitz (Late Titled Tuesday games).
- Notable strengths: dynamic openings, tactical alertness, converting initiative when ahead.
- Main leaks: recurring time trouble, loose pawn pushes in the early middlegame, and a few technical end-game slips.
- Peak rating so far: 2458 (2025-05-20).
2. What you already do well
-
Early initiative & pressure
Your wins vs. Nicolik and EnisMetin34 show excellent feel for tempo-gaining moves (f- and g-pawn storms, piece activity, rook lifts). -
Piece co-ordination in tactical positions
You frequently exploit pins and overloaded pieces (e.g. 24.Rxf6+!! vs. Nicolik) and spot mating patterns quickly. -
Opening versatility
You handle both e-pawn and d-pawn structures and face the Caro-Kann from both sides with confidence.
3. Repeating problems that cost points
- Clock management (two recent time losses and several finishes under 5 seconds). The quality of your moves usually stays high until the final scramble, but you leave yourself no margin for complications.
-
Unanchored pawn thrusts
In the losses to PainTrain08 and Flawl3ss_Machin3 the early h-/g-pawn pushes (h4-h5, g4) created hooks for your opponent without enough piece support, leading to back-rank or king-safety issues. -
Conversion & end-game technique
Versus Godzillator the position after 32…Be6 was tenable, yet a drifting plan plus time pressure cost the game. Similar story against BestestBP where an extra exchange was returned and the knight on c2 dominated.
4. Targeted improvement plan
| Area | Action items for the next two weeks |
|---|---|
| Time usage |
• Adopt a “30-20-10” rule: aim to have ≥30 s after the opening, ≥20 s entering the end-game, ≥10 s in the final phase. • Drill bullet “countdown” exercises (1|0 vs engine at level 4) to automate premove habits. • Consider an early “acceleration” move (⌛) every five moves when above 1:45 to store increment. |
| Pawn-storm discipline |
• Before advancing a wing pawn, ask two checkpoints: 1) “Can my opponent hit the base of the chain within two moves?” 2) “Do 3+ pieces back up the pawn break?” • Re-analyse your own PGNs where g4/h4 were played within move 10 and flag the outcomes (win/loss). Pattern-spot the safe vs unsafe cases. |
| Technical endings |
• Spend 15 min/day on rook + pawn endings (Lucena, Philidor). Many of your blitz games simplify into R+P vs R where precise technique saves time. • Use Chess.com → puzzles → “Endgame” filter; aim for 100 problems with ≥80 % score. |
| Positional play vs. Nimzo/Queen’s Indian setups |
• Study 3 model games where White keeps the bind (Carlsen–Giri 2019, Aronian–Ding 2017, Kramnik–Anand 2007). Focus on how they restrict …c5/…e5 breaks. • In your own loss vs. Godzillator, replay moves 15-25 and identify the moment the d-pawn became indefensible; annotate alternatives. |
5. Progress tracker
Check these dashboards weekly:
- Hourly performance trend – .
- Day-of-week consistency – .
6. Motivational close
You are already defeating 2600-level blitz opponents; plugging the clock-handling and pawn-discipline gaps could easily net +50 elo. Keep the tactical sharpness, add a bit more prudence, and your next personal best is right around the corner.
Good luck, and enjoy the grind! 💪
🆚 Opponent Insights
| Most Played Opponents | ||
|---|---|---|
| Maic96 | 20W / 23L / 1D | |
| LUIS MIGUEL FLORESVILLAR | 18W / 11L / 3D | |
| orbit7 | 10W / 12L / 2D | |
| ralph_patzer | 19W / 3L / 1D | |
| mgamer1 | 14W / 7L / 0D | |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2425 | |||
| 2024 | 1814 | 2371 | ||
| 2021 | 1642 | |||
| 2020 | 1591 | 2212 | 1400 | |
| 2019 | 2046 | |||
| 2018 | 2185 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 8W / 6L / 0D | 6W / 15L / 0D | 74.3 |
| 2024 | 4W / 3L / 2D | 7W / 2L / 0D | 83.6 |
| 2021 | 12W / 9L / 2D | 14W / 13L / 0D | 67.5 |
| 2020 | 185W / 90L / 24D | 173W / 104L / 29D | 82.5 |
| 2019 | 5W / 14L / 2D | 12W / 7L / 2D | 85.1 |
| 2018 | 18W / 7L / 1D | 12W / 12L / 2D | 79.0 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Blackburne Shilling Gambit | 39 | 25 | 11 | 3 | 64.1% |
| Scotch Game | 34 | 18 | 9 | 7 | 52.9% |
| Giuoco Piano: Tarrasch Variation | 32 | 23 | 7 | 2 | 71.9% |
| London System: Poisoned Pawn Variation | 30 | 16 | 12 | 2 | 53.3% |
| Ruy Lopez: Brix Variation | 27 | 18 | 6 | 3 | 66.7% |
| Scandinavian Defense | 26 | 20 | 6 | 0 | 76.9% |
| Alekhine Defense | 19 | 9 | 8 | 2 | 47.4% |
| Italian Game: Two Knights Defense | 18 | 8 | 9 | 1 | 44.4% |
| Sicilian Defense | 18 | 10 | 7 | 1 | 55.6% |
| Sicilian Defense: Closed | 16 | 14 | 2 | 0 | 87.5% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Scotch Game | 3 | 3 | 0 | 0 | 100.0% |
| Scandinavian Defense | 3 | 2 | 1 | 0 | 66.7% |
| French Defense: Classical Variation, Svenonius Variation | 2 | 2 | 0 | 0 | 100.0% |
| London System: Poisoned Pawn Variation | 2 | 1 | 1 | 0 | 50.0% |
| Barnes Defense | 2 | 0 | 2 | 0 | 0.0% |
| Sicilian Defense | 1 | 0 | 0 | 1 | 0.0% |
| Bird Opening: Dutch Variation, Batavo Gambit | 1 | 1 | 0 | 0 | 100.0% |
| Slav Defense: Bonet Gambit | 1 | 1 | 0 | 0 | 100.0% |
| Four Knights Game: Spanish Variation | 1 | 0 | 1 | 0 | 0.0% |
| Dresden Opening: The Goblin | 1 | 0 | 1 | 0 | 0.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Dresden Opening: The Goblin | 1 | 0 | 0 | 1 | 0.0% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 12 | 2 |
| Losing | 5 | 0 |