Avatar of Kuba

Kuba

Username: Rozpruwazc

Playing Since: 2021-03-11 (Active)

Wow Factor: ♟♟♟♟

Chess.com

Rapid: 1236
1898W / 1899L / 120D
Blitz: 1050
0W / 1L / 0D

Kuba - The Chess Cell Specialist

Meet Kuba, also known by the intriguing username Rozpruwazc, a rapid chess enthusiast with a reputation for making opponents feel like they've been dissected under a microscope. With a steady ascent in rapid ratings from 1243 in 2021 to a sparkling 1316 by 2025, Kuba’s growth curve is as smooth and fascinating as mitosis itself!

Kuba's rapid game DNA reveals a predilection for the Queen's Pawn Opening, where he’s played an impressive 848 games, boasting a win rate of over 52%. Not far behind is his favorite variant, the Queen's Pawn Stonewall Attack and the Horwitz Defense, demonstrating that Kuba is as versatile as an enzyme adapting to new substrates.

Despite a blitz rating that’s still in its infancy (currently at 1050 with room to grow), Kuba’s rapid chess repertoire compensates with a high endgame frequency of 61.66%, proving that Kuba isn’t just about quick tactical strikes but thrives in the slow grind of cellular division—er, I mean, positional play! His average moves per win near 63 suggest deep, methodical thinking akin to a biologist meticulously charting a cell’s lifecycle.

Psychologically, Kuba shows great resilience with a remarkable 76.34% comeback rate and a near-perfect 100% win rate after losing a piece, much like a clever virus managing to turn the tables despite being initially suppressed. However, beware opponents prone to 'tilt'—Kuba’s tilt factor is 9, indicating a modest flare-up of fiery passion when the game tides turn unexpectedly.

When it comes to time preferences, Kuba seems to be at the peak of his circadian rhythm between midnight and noon, achieving a win rate peaking at 75% at 10 AM and a bright 66.67% at 4 AM—clearly a creature of both night and day, much like those fascinating nocturnal critters biologists love to study.

With a fighting spirit as contagious as the common cold and a strategic genome marked by endurance and adaptability, Kuba is a player who proves that in the ecosystem of chess, evolution favors the persistent. Expect many more chess cells to divide under Kuba’s watchful eye!


Coach Chesswick's Profile Photo
Coach Chesswick

Quick summary

Kuba — nice run of games recently. Your last few wins show good attacking sense, piece activity and an eye for tactical breaks. The loss exposed a recurring practical danger: king safety / back-rank and coordination problems when the position opens. Below I highlight the concrete patterns you used well, the recurring weaknesses, and an actionable practice plan you can start this week.

What you did well (repeatable strengths)

  • Active piece play: you create targets and get rooks/queen onto invading files (examples: the game where you finished with a queen sac on d7 after pushing the c-pawn).
  • Pawn breaks to open the position — you timed pawn advances (a and c pushes) to create open lines for your pieces.
  • Willingness to simplify or trade into winning endgames — you convert advantages instead of overcomplicating (see several resignations/time wins).
  • Good conversion instincts in tactical middlegames: once the opponent’s king becomes short of squares you find forcing continuations quickly.

Main things to fix (high impact)

  • King safety / back-rank awareness — your loss came after rook exchanges left your king with no flight squares and the opponent delivered Qe6# quickly. Always check for opposing mating ideas before simplifying on the back rank.
  • Loose coordination when defending — avoid passive moves that block the king’s escape (rooks doubling on the back rank can be helpful or harmful depending on a luft).
  • Tactical oversights in sharp positions — continue tactics training focused on pins, sacrifices that expose the king, and quiet intermezzi (zwischenzug) that change the evaluation.
  • Opening familiarity vs unusual responses — you play many system-like setups (Stonewall / English / Amazon Attack family). When the opponent deviates early, have one or two concrete plans instead of waiting for the position to come to you.

Concrete next steps (weekly plan)

  • Daily (15–25 minutes): tactics puzzles — concentrate on back-rank mates, forks, pins and discovered attacks. Goal: 20 focused puzzles every day, review mistakes.
  • 3× per week (30 minutes): one slow game review — pick a recent win and the loss. For each, write the three critical moments and what you expected vs what happened. Use the examples below.
  • 2× per week (20 minutes): endgame drills — basic king + rook vs king, Lucena, and simple pawn races. These improve conversion and defense when material is reduced.
  • Opening work (2 sessions/week, 30 min): pick your 2 most-used systems (you do well in Amazon Attack / Stonewall-type systems). Deepen one line and learn one sensible reply to the opponent’s most common deviations. Make a 1–page cheat sheet with a plan for move 10 and move 20 in each line.
  • Monthly checkpoint: review your 30 most recent rapid games and note recurring tactical miss types (pins, back-rank, overloaded pieces). Target that specific pattern until it stops appearing.

Practical in-game checklist (before you hit the clock)

  • Have I left my king any escape squares? (If not, is that safe?)
  • Does my opponent have any forcing checks or captures that change the position drastically?
  • Which pieces are unprotected or overloaded this move?
  • Is there a simple active plan (improve a piece, open a file, create a passed pawn)?

Concrete lessons from your recent games

  • Win (2025-11-23 vs Felarett): your a- and c-pawn advances created open lines and a passed pawn — then you used queen infiltration to finish. Lesson: when you open files, coordinate queen + rooks to invade; a well-timed pawn push (c6 in that game) can be decisive. English Defense
  • Loss (2025-11-22 vs Makuhari01): after rooks were exchanged you were mated on e6. The critical error was not ensuring flight squares for your king and letting the opponent keep attacking pieces active. Lesson: when exchanging near the enemy king, check for back-rank and mating patterns first.
  • Win (2025-11-20 vs SamgarGoodarzar): you used rook swings and pawn advances to force winning simplifications. Lesson: active rooks on the seventh and creating passed pawns win games — keep practicing rook activity and king hunts in the middlegame.

Illustrative game (review this with a coach or in analysis)

Study the decisive win where you finished with queen to d7 mate — replay it and annotate the turning points:

Opening advice (keep / tweak)

  • Keep playing your system openings — they suit your style (you create imbalances and targets). Focus study time on typical middlegame plans, not every sub-variation.
  • If you want a quick improvement in your loss-prone lines (e.g., some French positions), learn one safe plan to reach comfortable middlegames rather than trying to memorize long theory.
  • Use one-line cheat-sheets: for each opening you play, write 6–8 moves + 2 typical plans for both sides. This reduces time trouble and guesswork in rapid games.

Short-term metrics to track (next 30 days)

  • Daily tactics streak (target 20/day) — track percent correct.
  • Number of games where you spot back-rank threats before moving (goal: 90% of games).
  • One opening cheat-sheet completed and used in at least 10 games.

If you want, I can...

  • Walk through the 11/23 win move-by-move and point out alternative defenses for Black (I can annotate the PGN with comments).
  • Build a 2-page opening cheat-sheet for your favorite system (you name the system: Stonewall Attack or Amazon Attack).
  • Create a 4-week training plan tailored to your schedule (tactics + endgames + two opening sessions a week).

Final encouragement

Your recent +43 rating last month shows you’re doing things right. Keep reinforcing the strengths above, plug the king-safety holes, and dedicate short, focused sessions to the patterns I listed — you’ll see that 1–2 small habits (back-rank checks and a tactic drill routine) will turn many close losses into wins.



🆚 Opponent Insights

Recent Opponents
felarett 1W / 0L / 0D View
makuhari01 0W / 1L / 0D View
makh1977 0W / 0L / 1D View
samgargoodarzar 1W / 0L / 0D View
kovirjaka 1W / 0L / 0D View
yantoml 1W / 0L / 0D View
ajg1511 0W / 1L / 0D View
threat2all 0W / 1L / 0D View
blunder_mastersa 0W / 1L / 0D View
y0jan1009 0W / 1L / 0D View
Most Played Opponents
nahid1469 4W / 1L / 0D View Games
josedacostapereirane 2W / 1L / 1D View Games
agusmusick 2W / 0L / 1D View Games
ggaclb 3W / 0L / 0D View Games
thisisandy 2W / 1L / 0D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 1235
2024 1283
2023 1050 1167
2022 1224
2021 1243
Rating by Year2021202220232024202512831167YearRatingRapid

Stats by Year

Year White Black Moves
2025 103W / 92L / 5D 90W / 107L / 9D 64.3
2024 131W / 132L / 5D 139W / 118L / 9D 64.6
2023 281W / 243L / 20D 243W / 286L / 17D 66.2
2022 263W / 229L / 21D 240W / 270L / 8D 62.6
2021 197W / 197L / 17D 191W / 208L / 8D 62.4

Openings: Most Played

Rapid Opening Games Wins Losses Draws Win Rate
Amazon Attack 1274 660 571 43 51.8%
Philidor Defense 485 215 257 13 44.3%
Australian Defense 334 167 156 11 50.0%
French Defense 178 80 89 9 44.9%
London System: Poisoned Pawn Variation 138 64 69 5 46.4%
Amazon Attack: Siberian Attack 129 56 68 5 43.4%
Barnes Opening: Walkerling 106 53 51 2 50.0%
French Defense: Advance Variation 103 53 50 0 51.5%
Amar Gambit 88 49 39 0 55.7%
Bishop's Opening 85 32 51 2 37.6%
Blitz Opening Games Wins Losses Draws Win Rate
London System: Poisoned Pawn Variation 1 0 1 0 0.0%

🔥 Streaks

Streak Longest Current
Winning 11 1
Losing 9 0
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