David Jin (D_Jinny) — The Blitz Specialist
David Jin, who often appears online as D_Jinny, is a fast-talking blitz player with an appetite for sharp traps, long finales and the occasional theatrical sacrifice. Preferred time control: Blitz — where his instincts, speed, and stubborn comeback spirit do most of the heavy lifting.
- Preferred time control: Blitz (plays hundreds of games monthly)
- Style: tactical, tenacious, enjoys sharp Italian/Twins-of-Fegatello positions
- Signature tendencies: long decisive games (avg decisive length ≈ 50 moves), high comeback rate
Playing Style & Key Strengths
D_Jinny blends textbook tactics with a "keep playing until something breaks" mentality. He rarely resigns early and is comfortable grinding long, tactical endgames — which helps explain a high comeback rate and long average win lengths.
- Comeback rate: 76.83% — don’t count him out after a slip.
- Avg moves per win: ~53.8; avg moves per loss: ~47.4 — he likes marathons.
- Early resignation is rare (≈3.3%), and endgame frequency is healthy (≈43%).
- Psychology: Tilt factor 13 — takes losses personally, bounces back quickly.
Openings & Favorite Lines
D_Jinny has a huge book of blitz openings — some cheeky, some classical — and repeats what works. Two huge themes stand out: the tactical Two Knights / Fegatello family and the ever-entertaining Blackburne Shilling Gambit.
- Italian Game — Two Knights Defense, Fegatello Attack (Leonhardt Variation): a personal favorite with strong win rates. Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation
- Blackburne Shilling Gambit: played thousands of times across time controls; D_Jinny knows all the traps and countertraps. Blackburne Shilling Gambit
- Caro-Kann & Scandinavian: solid choices when the mood calls for structure and counterpunches. Caro-Kann Defense Scandinavian Defense
- Evans Gambit (Accepted, 5.c3) appears often in his sharper repertoire — he likes sacrificial chaos.
Memorable Moments & Notable Opponents
Highlights you might brag about if you were D_Jinny’s teammate:
- Remarkable record vs doc-springs: 40 wins, 2 losses in their 42 encounters — a matchup that reads like a one-sided rivalry on paper. doc-springs
- Longest winning streak: 26 games — yes, that’s practically a tournament victory streak across several sessions.
- Current losing streak: 1 (he recovers fast).
- Peak Blitz rating placeholder: 1638 (2025-03-23)
A Signature Game (illustrative)
This short PGN recreates the kind of tactical fireworks D_Jinny is known to serve — a Two Knights / Fegatello-ish melee leading to complications. Paste this into a viewer to replay the drama.
- Example game: [[Pgn|e4|e5|Nf3|Nc6|Bc4|Nf6|Ng5|d5|exd5|Nxd5|Nxf7|Kxf7|Qf3+|Ke6|Nc3|Nce7|d4|c6|Bg5|Qd6|0-0-0|b5|Bxe7|Bxe7|Ne4|Qb4|Bb3|a5|dxe5|a4|Bxd5+|cxd5|Rxd5|Kxd5|Nc3+|Kc5|Qe3+|Kc6|a3|Qf4+|Qxf4|exf4|Rd4|Bd7|Rxd5|Rhd8|Rhd1|Be6|Rxb5|h6|Nd4|Bd7|Rb6+|Kc7|Rg6|Bf8|e6|Be8|e7|Bxe7|Ne6+|Kc8|Nxd8]"|autoplay|false]
Career Snapshot & Trends
David’s activity profile is textbook online grinder: huge game volumes, improving peaks, and strong specialized results in blitz and rapid. He performs best when he’s woken up, caffeinated, and playing at his preferred hours.
- Preferred time to play: early morning around 08:00 (best time-of-day signal).
- Win-rate nuances: performs better against lower-rated opponents but maintains solid adjusted win rates across time controls.
- Time-of-day quirks: exceptional win-rate spike around hour 8 (64.6% in the dataset for that hour) — either brilliant or fueled by espresso.
- Long-term rating chart (Blitz):
Fun Facts & Trivia
- Username to remember: D_Jinny — if you want to play blitz, queue up and say hi (or “prepare to lose,” depending on your outlook).
- He favors e4 overwhelmingly as White’s first move across recent years.
- Psychological trend: Rated vs casual win difference is slightly negative — he treats rated games like a championship match.
- Most frequent openings against him include C50 and B01 families — so you’ll often see Italian and Scandinavian/Caro-Kann themes.
Want to Explore More?
Check the openings and signature lines above, replay the sample PGN, or browse the rating chart to watch D_Jinny’s rise — the career of a modern blitz specialist with a taste for traps and endurance. For quick reference:
- Signature opening link: Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation
- Trap of choice: Blackburne Shilling Gambit
Quick summary
Great work this session — you’re playing sharp, tactical blitz and converting chances. Your last win showed confident king‑side attacking play and an eye for sacrificial tactics. The loss exposed some problems with space and pawn breaks that let the opponent equalize and squeeze you. Below are focused, practical improvements you can apply in your next 5–10 minute games.
Highlights — what you did well
- Fearless attacking: the game vs bananabread8 featured a classic bishop sacrifice on the h7/g7 square and fast piece activity — good intuition for when the opponent’s king is exposed.
- Tactical awareness: you spotted combinations and followed up with concrete moves instead of vague threats — that’s why your tactical openings show strong results for you.
- Finishing technique under pressure: in wins like the one vs ismaeld100 you kept applying pressure and used rooks and passed pawns decisively.
- Opening variety and confidence: you’re comfortable playing sharp lines (both gambit and countergambit themes) and getting the initiative early.
Move viewer for the h‑file sacrifice game (review it after a quick warmup):
Key weaknesses to fix
- Pawn breaks and space: in your loss to artproar Black’s c4 advance (and similar pawn pushes) cramped your pieces and reduced counterplay. Anticipate and contest those breaks earlier.
- Overextending early sacrifices: your sac in the h‑file game worked because of supporting pieces. Be careful to only sac when you can force follow‑up — otherwise you risk running out of time or material without compensation.
- Transition to the endgame: a few wins came from tactical middlegame advantages that could’ve been converted more cleanly. Practice basic rook endgames / Lucena to convert advantages more reliably.
- Time management in blitz: you sometimes spend a lot of early time on opening moves and then play a few critical decisions very fast. Keep a modest buffer (10–15 seconds) for tactical complications.
Concrete next steps (practice plan)
- Daily tactics: 10–15 minutes of tactics (focus forks, pins, back‑rank, mating nets). This will sharpen the sacrificial decisions you already like to make.
- Study 3 typical pawn breaks: pick common breaks you face (for example c4 and b4 advances). Run short positions where you must react — practice identifying the right moment to lock or challenge the break.
- Endgame basics: 15 minutes twice a week on rook+pawn vs rook and basic king+pawn endings. Convert advantages instead of relying on tactical finishing only.
- One opening to refine: choose a main opening you play often (e.g., your Philidor lines). Drill 5–6 typical plans and a losing‑response checklist so you don’t get surprised by c4/c5 pushes. See Philidor Defense for refreshing typical ideas.
- Blitz habits: force yourself to keep 10–15s on the clock before making the last time‑critical exchange. Resist pre‑move spam unless the position is clearly winning.
Short tactical checklist to use in game
- Before sacrificing: Do I have at least one forcing follow‑up (check, attack, or mate threat)? If no → don’t sac.
- Before an exchange: Will the resulting pawn structure or king safety favor me or give opponent counterplay (open files to rooks)?
- When opponent plays a pawn break: Can I trade pieces to reduce their initiative or do I need to block immediately?
- Time check every 6 moves: Do I have enough time to calculate a 2‑move tactic? If not — simplify or play a safe developing move.
Short drills (10–25 minutes each)
- Tactics sprint: 8–12 puzzles on mating nets and sacrificial themes (set sight on patterns you miss).
- Pawn‑break simulation: set up three positions where the opponent can play c4/b4 — practice immediate responses (block, trade, or counterbreak).
- Endgame drill: 5 rook endgame positions — play both sides vs engine at low depth and learn the winning method or drawing technique.
Follow up
If you want, send one of your recent losing or close games (a PGN or the game link) and I’ll give a 5–7 move sequence of concrete improvements and a short plan for the next 5 moves in that position. For quick study, open the game vs bananabread8 above and replay the sac — annotate where you had alternatives and where the opponent slipped.
🆚 Opponent Insights
| Most Played Opponents | ||
|---|---|---|
| doc-springs | 40W / 2L / 0D | View Games |
| 7viat | 18W / 11L / 1D | View Games |
| yukomeran | 10W / 1L / 1D | View Games |
| gembira0274 | 4W / 5L / 0D | View Games |
| shankargowda93 | 7W / 1L / 1D | View Games |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 1479 | 1603 | 1202 | |
| 2024 | 1281 | 1217 | 1162 | |
| 2023 | 1120 | 1207 | 1196 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 2267W / 2108L / 129D | 2144W / 2229L / 138D | 50.9 |
| 2024 | 2579W / 2281L / 148D | 2336W / 2510L / 162D | 51.3 |
| 2023 | 1338W / 1063L / 116D | 1244W / 1189L / 114D | 55.4 |
Openings: Most Played
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Blackburne Shilling Gambit | 673 | 332 | 317 | 24 | 49.3% |
| Scandinavian Defense | 590 | 324 | 242 | 24 | 54.9% |
| Alekhine Defense | 449 | 230 | 208 | 11 | 51.2% |
| Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation | 434 | 283 | 136 | 15 | 65.2% |
| Amazon Attack | 411 | 169 | 218 | 24 | 41.1% |
| London System: Poisoned Pawn Variation | 355 | 173 | 159 | 23 | 48.7% |
| Caro-Kann Defense | 334 | 171 | 151 | 12 | 51.2% |
| Scotch Game | 249 | 123 | 115 | 11 | 49.4% |
| Evans Gambit Accepted, 5.c3 | 235 | 136 | 94 | 5 | 57.9% |
| Italian Game: Two Knights Defense | 234 | 103 | 123 | 8 | 44.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Blackburne Shilling Gambit | 11 | 10 | 1 | 0 | 90.9% |
| Amar Gambit | 11 | 7 | 4 | 0 | 63.6% |
| Barnes Opening: Walkerling | 6 | 5 | 1 | 0 | 83.3% |
| Caro-Kann Defense | 6 | 3 | 3 | 0 | 50.0% |
| Barnes Defense | 5 | 4 | 1 | 0 | 80.0% |
| Petrov's Defense | 5 | 5 | 0 | 0 | 100.0% |
| Scandinavian Defense | 5 | 3 | 2 | 0 | 60.0% |
| Amazon Attack | 5 | 4 | 1 | 0 | 80.0% |
| QGA: 3.e3 c5 | 4 | 3 | 1 | 0 | 75.0% |
| Amazon Attack: Siberian Attack | 4 | 2 | 1 | 1 | 50.0% |
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Blackburne Shilling Gambit | 1394 | 667 | 677 | 50 | 47.9% |
| Amazon Attack | 913 | 452 | 436 | 25 | 49.5% |
| Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation | 739 | 471 | 254 | 14 | 63.7% |
| Scotch Game | 591 | 290 | 277 | 24 | 49.1% |
| Scandinavian Defense | 589 | 277 | 293 | 19 | 47.0% |
| Caro-Kann Defense | 577 | 322 | 232 | 23 | 55.8% |
| Evans Gambit Accepted, 5.c3 | 549 | 293 | 240 | 16 | 53.4% |
| Italian Game: Two Knights Defense | 501 | 255 | 235 | 11 | 50.9% |
| Four Knights Game | 458 | 216 | 227 | 15 | 47.2% |
| Philidor Defense | 453 | 252 | 191 | 10 | 55.6% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 26 | 0 |
| Losing | 13 | 2 |