Overview
Сергей Иванов (aka Cserx) is a hard‑charging online chess player known for explosive middlegame tactics, patient endgames and a clear love for Rapid time controls. Active across Bullet and Blitz too, he rose from club‑level scrambles to streaky tournament runs that make opponents both admire and nervously refresh the scoreboard.
Preferred time control: Rapid — where intuition meets calculation. View his recent Rapid trend:
- Peak Rapid snapshot: 2159 (2025-10-29)
Playing style
Part technician, part entertainer — Сергей mixes solid opening recipes with readiness to sacrificially complicate. He often steers games into long fights (average decisive length ~70 moves) and relishes endgames.
- Endgame frequency: high — loves grinding advantages to the last pawn.
- Tactical resilience: notable comeback ability (bounces back frequently after setbacks).
- Average moves per win: long battles (trusts technique over quick hacks).
- Best hour to play: around 10:00 (a surprisingly effective coffee + calculation combo).
Repertoire & favourite openings
Сергей’s opening choices show pragmatic versatility: solid defenses, tricky sidelines and a few surprise gambits to spice things up.
- As Black he often fields the Caro-Kann Defense — reliable and counterpunching.
- Against 1.e4 he plays sharp options like the Sicilian Defense and the Alapin family.
- With White he enjoys the Amazon Attack / Siberian Attack and Colle‑style systems to force asymmetry early: Amazon Attack: Siberian Attack.
- Also dabbling in creative choices: Amar Gambit and various Poisoned‑Pawn lines when the mood strikes.
Memorable streaks & records
Сергей’s leaderboard is full of ups and downs — and a few impressive runs that make for good stories.
- Longest winning streak: 14 games (a run of near‑unstoppable form).
- Longest losing streak: 11 games (chess keeps you humble).
- Current losing streak: 4 (time to reset with a quiet positional marathon).
- Most played opponent: sea2010 — solid rivalry. See profile: sea2010 and a highlight game: Epic+Blitz+Showdown.
Opening performance highlights
Some of Сергей’s standout opening returns across time controls:
- Strong results with the Caro‑Kann as Black — a trusty backbone element.
- Great win rates in sharp Alapin/Sherzer Sicilian lines — he knows how to punish imprecision.
- Amazon Attack (Siberian) repeatedly pops up as a weapon when he wants decisive, imbalanced games.
Explore a few linked terms for quick study:
Sample game & practice
Want to see Sergey in action? Here’s a short illustrative opening sequence you can replay:
Tip: challenge him on Rapid for the most characteristic games — long, tactical and entertaining.
Fun facts
- Handles pressure well: high comeback rate after losing material.
- Early resignation rate is low — prefers to fight until the last trick.
- Has a soft spot for strange gambits; will occasionally play them just to confuse the opponent.
- SEO keywords: Сергей Иванов, Cserx, rapid chess, Caro-Kann, Sicilian, Amazon Attack, online chess.
Want to follow or challenge?
If you’re looking for a fighting Rapid opponent or want to study a tricky Caro‑Kann player with an appetite for long endgames, Cserx is your man. Bookmark this profile and keep an eye on the Rapid chart above for form swings and hot streaks.