Avatar of Grzegorz Masternak

Grzegorz Masternak IM

Username: GMaster1970

Playing Since: 2019-05-04 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Rapid: 2303
5W / 1L / 0D
Blitz: 2464
97W / 97L / 23D
Bullet: 2350
1W / 0L / 0D

Grzegorz Masternak: The International Master with a Top Secret Arsenal

Known in chess circles as GMaster1970, Grzegorz Masternak is no ordinary player — he’s an International Master recognized by FIDE, wielding a chess prowess that keeps opponents guessing and defenses crumbling.

Grzegorz's blitz skills are truly formidable. With a peak blitz rating soaring above 2450 and a blitz win rate flirting with 44%, he’s as fast as a knight on caffeine. His extensive use of the Top Secret opening (203 blitz games!) has turned many rivals into bewildered onlookers, proving that sometimes mystery truly matters on the board.

In rapid time controls, Masternak transforms into a precision artist, boasting an impressive 83% win rate with the same enigmatic opening repertoire. Even in bullet chess — the electric dance of seconds — he’s undefeated in his limited forays, showing that speed doesn’t ruffle his feathers.

Behind the stats is a player with a taste for comebacks: an astonishing 93.68% comeback rate and a flawless 100% win rate after losing a piece reveal a fighting spirit worthy of chess legends. He thrives in long, strategic battles, typically weaving victories in an average of 78 moves that look like a grandmaster’s symphony.

Grzegorz’s psychological resilience is strong, though not invincible—his "tilt factor" (which measures how he handles frustration) sits modestly at 7, suggesting that even an IM can occasionally rant at the chessboard (silently, of course!). But when the dust settles, he’s often the last one standing.

Interestingly, his best days fall on Sundays and Saturdays, where his win rates spike to a weekend warrior’s dream of 80% and 75%, respectively. Perhaps the chess gods shine brighter on the weekend—or maybe he just enjoys the game more with a hot coffee and relaxed mind.

As for opponents, some have proven tough nuts to crack (looking at you, vroumm83), while others have fallen victim to his strategic brilliance time and again. Grzegorz's record shows a willingness to challenge the best, ranging from rivalries to friendly battles where both triumphs and lessons are plentiful.

With a career full of thrilling wins, secret openings, and a knack for bouncing back stronger after setbacks, Grzegorz Masternak stands as a delightful mix of skill, strategy, and a pinch of mystery—an International Master who proves that in chess, the game isn’t over until the last king falls.


Coach Chesswick's Profile Photo
Coach Chesswick

Quick summary

Good patch of rapid results — solid winning streak, clear ability to create and convert kingside pressure, and comfort with tactical play. Your losses point to one recurring theme: when the opponent generates counterplay (passed pawns / queenside activity) you sometimes underestimate the threat or run low on time. Below are targeted, practical steps to keep your strengths and fix the gaps.

What you're doing well

  • Consistent attacking sense: you spot active breaks and use rook lifts and sacrificial ideas to open the enemy king (examples against Sriram Jha).
  • Good tactical awareness — winning games with direct combinations and coordinated rooks/queen shows you calculate forcing lines reliably in the middlegame.
  • Opening variety: you get playable middlegames from Queen's Gambit / Scotch / Italian structures — that gives you practical chances versus different opponents.
  • Confidence converting advantages: when your opponent is passive you simplify and convert accurately rather than overcomplicating.

Recurring weaknesses to fix

  • Time management: several games show very low remaining time late — this causes missed defensive resources and in one case a loss on time. Practice keeping a 30–60s buffer in rapid games.
  • Handling opposite-side castling / pawn storms: in the loss vs Papp Petra the opponent’s queenside activity and passed pawns created decisive threats. You need clearer defensive plans when kings are on opposite wings.
  • Counterplay awareness: when you launch an attack, actively look for the opponent’s counterplay (passed pawns, rook infiltration). Don’t assume an attack is decisive until you’ve neutralized counter threats.
  • Endgame technicals: convert simplifications faster and know basic rook+pawn endgame ideas — avoid letting a pawn roller or infiltration decide the game.

Concrete, actionable improvements (short term)

  • Before each move in time trouble: ask two quick questions — "Is my king safe?" and "Does my opponent have a direct tactic or passed pawn?" — this reduces oversights.
  • When castling opposite sides, prioritize pawn storms and piece activity but also calculate if a reducing exchange (trade queens or rooks) simplifies the opponent’s counterplay — don't tunnel-vision on attack-only.
  • Practice 10 tactical puzzles daily (5–10 min). Focus on mating nets, pins, forks and rook motifs — those motifs appear often in your wins.
  • Play two longer games (15+10) per week to improve decision-making under less time pressure and learn to keep the clock for critical moments.

Opening-specific notes

  • Scotch / C55 (your win vs Sriram Jha): you handled the central tension and created kingside pressure well. Keep the same plan: prioritize piece activity and use rook lifts (example in that game). Consider reviewing typical knight vs bishop exchanges and the sidelines where Black looks for counterplay. See the game replay:
  • King's Indian Attack / French Variation (loss): study typical plans when Black pushes on the kingside or castles long. Key ideas: create a clear defense for back-rank and a plan to block or trade a dangerous passed pawn.
  • Keep a short, one-page repertoire checklist for each opening: typical pawn breaks, good piece exchanges, and one “if I get attacked like this” defensive plan.

Endgame & practical technique

  • Drill basic rook endgames and the most common conversion patterns (Lucena, Philidor). 15–20 minutes, 3 times a week.
  • Practice defending against a passed pawn and how to generate counterplay by infiltration (rook on the 7th, king activity).
  • When ahead materially: exchange into a clearer winning endgame rather than hunting fancy mates — simplify when safe and maintain time.

Weekly study plan (practical)

  • Daily: 10 tactics (10–15 min) focused on pins, skewers, forks and back-rank patterns.
  • 3× week: 30 min opening review — main lines and one key plan per opening (use short notes).
  • 2× week: one 15+10 rapid game; annotate one chosen loss/win and identify the turning point (30 min).
  • 1× week: 30–45 min endgame drill (rooks+pawns and king & pawn basics).

Game review tasks (what to do after each game)

  • First pass (no engine): write down the moment you felt the evaluation changed and why. Was it tactic, time trouble, or strategic error?
  • Second pass (engine): check two missed tactics and one alternative strategic plan for the turning point.
  • Save a 1-line “if I see this again” note for your opening checklist (helps build practical memory).

Short checklist to use during a game

  • Do I have threats? (yes → calculate; no → improve position)
  • Is my king exposed to a pawn storm or infiltration? (prioritize defense)
  • What is my opponent threatening next move? (look for simple checks, forks, passed pawns)
  • How much time do I have for the next critical 10 moves? (keep a 30–60s reserve)

Parting note & next concrete steps

You're doing a lot right — strong tactical nose and finishing skills. Focus the next 4 weeks on reducing time trouble, a short opening checklist, and targeted endgame drills. If you want, I can produce a 4-week training schedule tailored to how much time you can commit per day.

Want me to generate that 4-week schedule now? Also tell me which opening you want prioritized: Scotch Game or King's Indian Attack?



🆚 Opponent Insights

Recent Opponents
zachem_ti_zhdesh_zvonka 0W / 0L / 1D View
zelenika1 1W / 0L / 0D View
kralevsk 1W / 0L / 0D View
Most Played Opponents
tol_tol 0W / 3L / 0D View Games
giorgi kordzaxia 2W / 0L / 1D View Games
kera27 0W / 3L / 0D View Games
klotn 0W / 3L / 0D View Games
tabaluga1554 2W / 1L / 0D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 2464
2024 2386
2021 2333 2303
2019 1996 2294
Rating by Year201920212024202524642294YearRatingBlitz

Stats by Year

Year White Black Moves
2025 7W / 3L / 3D 5W / 2L / 5D 88.7
2024 25W / 12L / 2D 16W / 22L / 3D 73.2
2021 13W / 8L / 2D 9W / 11L / 3D 78.8
2019 18W / 18L / 2D 12W / 22L / 3D 85.5

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Sicilian Defense: Closed 48 24 22 2 50.0%
QGD: Chigorin, 3.cxd5 16 5 7 4 31.2%
French Defense 16 6 7 3 37.5%
French Defense: Advance Variation 13 6 5 2 46.1%
French Defense: Winawer Variation, Advance Variation 8 2 4 2 25.0%
Italian Game: Two Knights Defense 8 7 1 0 87.5%
Amazon Attack 6 2 4 0 33.3%
Caro-Kann Defense 6 5 1 0 83.3%
Scotch Game 5 1 2 2 20.0%
English Opening: Agincourt Defense 5 0 4 1 0.0%
Rapid Opening Games Wins Losses Draws Win Rate
QGA: 3.e3 c5 1 1 0 0 100.0%
Italian Game: Two Knights Defense 1 1 0 0 100.0%
Blackburne Shilling Gambit 1 1 0 0 100.0%
King's Indian Attack: French Variation 1 0 1 0 0.0%
French Defense: Tarrasch Variation, Closed Variation, Main Line 1 1 0 0 100.0%
Philidor Defense 1 1 0 0 100.0%
Bullet Opening Games Wins Losses Draws Win Rate
Sicilian Defense: Closed 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 6 0
Losing 7 0
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