Avatar of Jon DeBruin

Jon DeBruin

Username: JDeebz

Playing Since: 2018-11-25 (Inactive)

Wow Factor: ♟♟♟

Chess.com

Daily: 875
46W / 51L / 1D
Rapid: 962
385W / 378L / 39D
Blitz: 552
61W / 75L / 5D
Bullet: 386
35W / 32L / 1D

Jon DeBruin (aka JDeebz) - The Relentless Chess Warrior

Jon DeBruin is a chess player who treats every game like a gripping novel—full of unexpected twists, near-misses, and those glorious, checkmating finales that make you say, "Wait... did he just do that?" With a penchant for bold openings like the Sicilian Defense and a tactical radar that's almost airport-security-grade, Jon navigates daily, rapid, blitz, and bullet chess with relentless passion.

Jon’s chess journey began years ago, and since then, he's been a whirlwind on the 64 squares. Starting with a modest daily rating hovering around 500-700, he has impressively climbed up to a recent peak of 891 in daily games and smashing rapid ratings nearing 1031. Not one to shy away from fast-paced battles, he earned a blitz peak rating of 1162 back in 2018 and has been adapting his style ever since.

He’s the kind of player who knows when to channel patience, averaging nearly 60 moves per win, and when to unleash tactical fireworks — evidenced by a comeback rate soaring above 77%. But beware: a tilt factor of 10 means he occasionally reacts emotionally to those sneaky unexpected losses, which, ironically, only fuels his desire to bounce back stronger.

Jon's opening repertoire is charmingly eclectic but notably effective with the Sicilian Defense Katalimov Variation, boasting a solid 60% win rate in daily games and maintaining above 50% in rapid. Queens Gambit variations and the Scandinavian Defense also pepper his tactical arsenal, proving Jon loves a good fight from any angle.

When pressed on time in bullet games, things get... interesting. His bullet rating peaks in the mid-400s, with quick decision-making skills that occasionally resemble a chess ninja or, at other times, someone who just knocked the board over by accident. But that's the beauty of Jon: fearless, unpredictable, and always ready to make the next move.

Away from the board, Jon’s known for his good humor—he approaches defeats with a shrug and wins with a smirk, knowing that chess is as much about the journey as the checkmate. Whether grappling against the clock or planning a long game strategy, JDeebz is a player who never backs down and always keeps the spirit alive.

Curious about his most recent triumph? On February 25, 2025, Jon delivered a beautiful checkmate with a classic Queens Gambit Accepted - Old Variation, smoothly turning the tide against a tough opponent; a fitting testament to his love for grinding out wins and celebrating those sweet victorious moments.

In short, Jon DeBruin is proof that chess isn't just a game—it's an epic saga where every pawn, knight, and queen tells a story, and every move is a line in the legend of JDeebz.


Coach Chesswick's Profile Photo
Coach Chesswick

Hi Jon!

You have made steady progress around the 800-900 range and are racking up some nice tactical wins. Below is an honest but encouraging assessment based on your recent games against RealBadSanta, hungry_jase and others.

1. Quick snapshot

  • Current peak ratings: 934 (2023-07-20) , 1031 (2025-02-18)
  • Typical play times:
    0123456789121314151617181920212223100%0%Hour of Day
     • 
    MonTueWedThuFriSatSun100%0%Day of Week
  • Favourite openings: 1.e4/1.d4 as White, Sicilian …c5 and Queen’s Gambit Accepted as Black.
  • Main result pattern: decisive tactical wins in Daily chess, quick collapses in Live games (often on time).

2. What you already do well

  1. Tactical alertness. You spot “free stuff” and aren’t afraid of combinations such as 9. Qxh8 or the deflection 16.Nxd5.
  2. Activity over material. You often choose active piece placements (e.g. 26.d7!! in the win below) and keep pushing for promotion.
  3. Confidence with the initiative. When the opponent’s king is drafty you throw pawns and pieces forward, which is great in this rating band.

3. Biggest improvement levers

  1. Opening discipline. Early pawn moves such as …h6, …a6, g4/h4 cost tempi and weaken dark squares. Follow the “three golden rules”: develop pieces, control the centre, castle.
  2. King safety. Four of your recent losses feature an uncastled or over-exposed king. Make “Is my king safe?” a compulsory question every two moves.
  3. Time management. You lost a winning position on move 41 simply by running out of time. Build a mental clock: opening <12%>, middlegame <55%>, ending <33%>.
  4. End-game technique. Once pieces are traded you sometimes drift (e.g. opposite-coloured-bishop ending vs. Hungry_Jase). Basic king-and-pawn endings and rook endings will net you 50-100 rating points fast.

4. A critical moment from your best recent win

Note how you combined tactics and pawn promotion:

  • 26.d7! was a beautiful passed-pawn thrust.
  • The move was also a zwischenzug zwischenzug, forcing Black’s rook away before promoting.

5. Opening “tightening” plan

ColourPlayable Set-upKey Ideas
WhiteLondon System
(1.d4 2.Nf3 3.Bf4)
Easy to learn, fast development, early castling.
Black vs 1.e4French Defence → Rubinstein (1…e6 2.d4 d5 3.Nc3/Nd2 dxe4)Solid pawn chain, clear plans, fewer sharp sidelines than 2…Nc6 Sicilians you currently use.
Black vs 1.d4Queen’s Gambit Declined (1.d4 d5 2.c4 e6)Same pawn structure as the French; easy piece placement; cuts down early gambit lines.

Sticking to just these three structures for 3-6 months will simplify opening prep and free brain-power for middlegame plans.

6. Weekly training menu

  1. 30 min puzzle rush / rated tactics – focus on forks fork, pins and back-rank mates.
  2. 2 annotated games – take your own Daily games, switch the engine off, add verbal notes, then compare with the engine afterwards.
  3. End-game module (1 position/day). Start with king + pawn vs. king; graduate to basic rook endings.
  4. Play 3 rapid games (15 + 10) a week, applying the time-split rule above. Analyse immediately afterwards.

7. Motivational checkpoint

If you follow the plan for six weeks you should comfortably reach 1000 Daily and 950 Rapid. At that point we’ll add attacking themes and minor-piece end-games.

Keep the energy and creativity, Jon—just add a layer of structure and your rating graph will spike!

Good luck and enjoy the journey.



🆚 Opponent Insights

Most Played Opponents
Cole Shannon 16W / 10L / 0D View Games
PeaPeaPeyton 0W / 15L / 0D View Games
hungry_jase 3W / 9L / 0D View Games
curious0001 3W / 0L / 0D View Games
savvypawns 2W / 1L / 0D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 434 549 928 875
2024 424 540 964 867
2023 576 928 674
2018 1016
Rating by Year20182023202420251016424YearRatingBulletBlitzRapidDaily

Stats by Year

Year White Black Moves
2025 17W / 15L / 3D 14W / 24L / 1D 61.7
2024 211W / 190L / 21D 200W / 206L / 12D 59.1
2023 30W / 36L / 4D 32W / 40L / 4D 58.3
2018 0W / 4L / 0D 3W / 0L / 0D 51.1

Openings: Most Played

Daily Opening Games Wins Losses Draws Win Rate
Sicilian Defense Katalimov Variation 10 6 4 0 60.0%
Queens Pawn Opening Chigorin Variation 6 2 4 0 33.3%
Dutch Defense 4 0 4 0 0.0%
Sicilian Defense 4 1 3 0 25.0%
Queens Gambit Accepted Old Variation 4 2 2 0 50.0%
Sicilian Defense French Variation 3 1 2 0 33.3%
Indian Game Fantasy Variation 3 0 3 0 0.0%
Scandinavian Defense 3 2 1 0 66.7%
Top Secret 3 2 1 0 66.7%
Queens Gambit Accepted Accelerated Mannheim Variation 2 1 1 0 50.0%
Rapid Opening Games Wins Losses Draws Win Rate
Sicilian Defense 73 34 36 3 46.6%
Queens Gambit Accepted Old Variation 72 40 27 5 55.6%
Sicilian Defense Bowdler Attack 40 22 17 1 55.0%
Slav Defense 34 16 15 3 47.1%
Dutch Defense 31 12 16 3 38.7%
Sicilian Defense Katalimov Variation 29 15 14 0 51.7%
Englund Gambit 24 7 15 2 29.2%
Sicilian Defense Smith Morra Gambit 22 8 14 0 36.4%
Queens Gambit Declined 18 7 9 2 38.9%
Queens Pawn Opening 17 7 8 2 41.2%
Blitz Opening Games Wins Losses Draws Win Rate
Queens Gambit Accepted Old Variation 18 7 10 1 38.9%
Sicilian Defense 8 3 5 0 37.5%
Slav Defense 8 4 3 1 50.0%
Sicilian Defense Katalimov Variation 8 1 6 1 12.5%
Englund Gambit 7 5 2 0 71.4%
Queens Pawn Opening 6 4 2 0 66.7%
Closed Sicilian Defense 5 3 2 0 60.0%
Sicilian Defense Bowdler Attack 5 5 0 0 100.0%
Kings Pawn Opening 5 0 5 0 0.0%
Queens Pawn Opening Mikenas Defense 3 1 2 0 33.3%
Bullet Opening Games Wins Losses Draws Win Rate
Sicilian Defense Katalimov Variation 9 6 2 1 66.7%
Dutch Defense 7 5 2 0 71.4%
Englund Gambit 5 3 2 0 60.0%
Queens Gambit Accepted Old Variation 5 2 3 0 40.0%
Closed Sicilian Defense 4 2 2 0 50.0%
Alapin Sicilian Defense 3 0 3 0 0.0%
Sicilian Defense 3 2 1 0 66.7%
Indian Game Fantasy Variation 2 1 1 0 50.0%
Queens Gambit Declined Chigorin Defense 2 1 1 0 50.0%
Queens Gambit 2 0 2 0 0.0%

🔥 Streaks

Streak Longest Current
Winning 8 0
Losing 10 4
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