Ziv adrian Uba (toR_zach) — The Bullet Bomber
Ziv adrian Uba, who goes by the username toR_zach online, is a prolific and fearless chess player best known for his love of lightning-fast games. A specialist in Bullet, Ziv has played tens of thousands of ultra-quick encounters and built a reputation for tactical fireworks, dramatic comebacks and a rapid-fire opening repertoire that keeps opponents on their toes.
Quick facts: preferred time control — Bullet; extremely active across years; peak Bullet reach: 2279 (2026-01-28). For a visual snapshot of his Bullet run, see:
.Playing Style & Strengths
Ziv plays like someone who drinks espresso between moves. His games tend to be long for Bullet (average decisive game length in his records is high), with an unusually high tolerance for complex middle games and endgames:
- Avg moves per win: ~69 moves — surprisingly deep for speed chess.
- Endgame frequency: 83% — he often grinds positions down to the wire.
- Tactical resilience: Comeback rate ~89% — expect fights even from bad positions.
- Psychology: Tilt factor 14 (keeps going after swings), best time to challenge him: around 16:00 local peak play.
He’s not shy about losing material — but he’s good at turning that chaos into chances: win rate after losing a piece hovers around 43%.
Notable Openings & Repertoire
Ziv favors sharp, asymmetrical systems that lead to practical complications — perfect for Bullet. He uses both offbeat and classical choices depending on mood and clock:
- Scandinavian Defense — a frequent springboard to messy fights. (Scandinavian Defense)
- Alekhine Defense — counterpunching and tricky pawn-structure play. (Alekhine Defense)
- Amar Gambit and other wild lines — he’ll gamble for initiative when the clock is low. (Amar Gambit)
- French Defense: Exchange Variation — quietly reliable when he wants a calmer game. (French Defense: Exchange Variation)
On the white side he regularly opens with 1.e4 and often steers the game into scalding topical lines that generate immediate tactics.
Records, Rivalries & Streaks
Ziv is a high-volume competitor with a mountain of Bullet games. He enjoys long rivalries and rematch culture — the numbers show it:
- Most-played opponents include: tazzzz (91 games), matrix77 (77), x-7597937113 (59), and onefromnone1973 (50).
- Win/loss totals in Bullet across career: thousands of decisive games — a testament to endurance and appetite for risk.
- Longest winning streak: 20 games. Longest losing streak: 14 games. Current winning streak: 1.
If you want to study a classic matchup, check his frequent opponents and look for rematch patterns — Ziv adapts between games and often returns with new tricks.
Memorable Stats & Quirks
- Peak achievements (sample): Bullet peak 2279 (late Jan 2026), Blitz peak 2309, Rapid peak 2230 — impressive across speed formats.
- Huge activity: tens of thousands of Bullet games played — volume is his superpower.
- Checks favorite: the queen is often the main checking piece — Ziv loves forcing sequences.
- Early resignation metric (raw): 0.67 — an odd little signature in his termination stats.
Fun (and useful) SEO-friendly keywords: Ziv adrian Uba, toR_zach, Bullet specialist, Scandinavian Defense, Alekhine, online chess hustler.
Sample Game & Study Tools
Want to replay a typical Ziv miniature? Here’s a short sample you can drop into a viewer to see his style:
.Dive into openings he loves: Scandinavian Defense, Alekhine Defense, Amar Gambit.
Personality & Table Talk
Off the board, Ziv reads like an energetic storm: witty, relentless and somehow calm while the clock bleeds. Expect banter, a cheeky premature "oof" after a blunder, and a cheerful rematch demand five seconds later. He’s the kind of player opponents love to hate — and then challenge again.
Want to follow his profile? Try looking him up as toR_zach and prepare for a fast, uncompromising game.