Avatar of Alfredo Asaf Rivera Pérez

Alfredo Asaf Rivera Pérez NM

Username: Dinosaurioyogurt

Location: Celaya Guanajuato

Playing Since: 2022-04-18 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Rapid: 2166
5W / 0L / 0D
Blitz: 2802
1998W / 2344L / 436D
Bullet: 2900
1171W / 1319L / 198D

Alfredo Asaf Rivera Pérez - aka Dinosaurioyogurt

Born to confound chessboards and confuse opponents, Alfredo Asaf Rivera Pérez is no ordinary player. Rising through the ranks with the ferocity of a dinosaur enjoying a spoonful of yogurt, Alfredo's bullet and blitz ratings tell the tale of a speed demon who practically lives on the edge of madness and brilliance.

Rating Journey

Since 2022, Alfredo's bullet rating has rocketed from a solid 2132 to an eye-popping 2810 by 2025—clearly proving that slow and steady doesn't win this race, but rather the blurring of pieces across the board in a frenzy only a true bullet master can muster. His blitz play followed suit, blasting from 1750 up to a stunning 2836.

Playing Style

Alfredo prides himself on dramatic comebacks and fearless tactics. With a 95.41% comeback rate, it's as if he thrives on near-defeat, turning what could be a loss into a triumphant victory—sometimes baffling his opponents and maybe himself. His average games last about 95 moves whether he wins or loses, proving he loves to savor the drama on the board longer than most.

Interestingly, Alfredo has an early resignation rate of 0.43, meaning he’s usually not one to quit easily — unless he really wants to go grab more yogurt.

Psychological Edge

With a tilt factor of 9, Alfredo sometimes battles the notorious frustration beast, but that never deters his fierce spirit. His psychological resilience is best summed up by an impeccable 100% win rate after losing a piece, suggesting Alfredo truly believes in the phrase, "It's not over till the yogurt melts."

Opponent Favorites & Fun Facts

  • Most played opponent: Benecyrill (47 games) - win rate ~64%
  • Longest winning streak: 11 games straight. Talk about momentum!
  • Known for some mysterious "Top Secret" openings, boasting win rates just shy of 44% in bullet and 42% in blitz.

Alfredo usually plays his best moves between 5 am and 11 am, basking in the sunrise’s glow, while at the crack of 9 am his win rate is an astonishing 70%. At night, well, sometimes the yogurt fights back.

In Summary

Alfredo Asaf Rivera Pérez is the lovable chess beast who burns bright on the blitz battlefield, delivers shock and awe through relentless aggression, and keeps his opponents googling "What just happened?!" His chess journey is a delightful mix of raw speed, clever tactics, and a dash of quirky charm—like that unexpected dollop of yogurt on a dino’s claws.


Coach Chesswick's Profile Photo
Coach Chesswick

What you did well in recent blitz games

  • You stayed active and created pressure in the middlegame when your pieces were coordinated. This helped you seize chances even in tight positions.
  • You used flexible opening setups (like the English/London‑System family) to control the center and limit opponent counterplay, which keeps you in the game even when the opponent counterattacks.
  • You showed resilience in complex tactical battles, finding ways to complicate and keep chances alive rather than opting for immediate simplifications.

Key patterns to learn from

  • Frequent tactical moments came from aiming at king safety and piece activity. Continue practicing calculating forcing sequences (checks, captures with tempo) to decide when to push the advantage or switch plans.
  • Endgames showed that simplifying can be risky if you misjudge the pawn structure or rook activity. When material is equal, focus on activating your king and rooks and creating outside passed pawns.
  • Time pressure affected several results. Blitz benefits from a quick, repeatable process for each move and a plan for the opening, middlegame, and endgame phases.

Areas to improve

  • Time management: Develop a simple plan for allocating time across the game. For example, aim to complete the opening phase comfortably within the first portion of the clock, leaving enough time for the middlegame and endgame. Practice making solid, quick decisions on non-critical moves to conserve time for tricky moments.
  • Endgame technique: Strengthen rook endings and king activity in blitz. Learn a few reliable endgame patterns (e.g., how to use outside passed pawns and rook activity to create winning chances).
  • Calculation discipline: In crowded middlegames, set a limit for deep calculation per move (such as exploring 2–3 forcing lines) and quickly check for obvious tactical threats your opponent might have prepared.
  • Opening consolidation: While your current variety is valuable, consider committing to 1–2 reliable systems you know well. This reduces decision fatigue and helps you reach more playable middlegames under time pressure.

Drills and a practical practice plan

  • Daily tactical practice focused on forcing moves (checks, captures with tempo, and deflections) for 15–20 minutes.
  • Endgame practice 2–3 times per week, emphasizing rook endings and king activation with practical pawn structures.
  • Opening study block once or twice a week: pick 1–2 lines (for example, a London System family approach and a flexible English setup) and map out your standard middlegame plans and common pawn breaks.
  • Blitz review habit: after each blitz game, quickly note the moment you felt time pressure, a tactic you missed, and any endgame conversion idea you could have executed better.

Opening focus and recommendations for blitz

You’re already using a variety of solid openings. For blitz, it can help to consolidate to 1–2 systems you know well. The London System family (including Poisoned Pawn ideas) often yields solid development and central control with relatively predictable middlegames. A second flexible option is a well-understood English Opening variant that keeps options open and avoids heavy memorization. For each choice, write down your go-to middlegame plans and typical break ideas so you can move quickly under time pressure.

Next steps and a concise practice plan

  • Schedule 3 focused blitz practice blocks this week: two 20-minute tactical sessions and one endgame session, plus one opening-review block.
  • Review all losses to identify missed tactical shots and times you spent on non-critical moves.
  • Keep brief post-game notes after each blitz game: the moment you felt time pressure, a decision that cost material, and the endgame plan you intended to execute but didn’t.

Progress friendly notes

Progress ideas and quick reminders can help you stay focused between sessions. If you'd like, I can tailor a short, 2-week plan centered on your preferred openings and the exact endgames you encounter most often in blitz. See your profile for a quick link to ongoing practice goals alfredo%20asaf%20rivera%20p%C3%A9rez.



🆚 Opponent Insights

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Claudio Lasama 4W / 9L / 2D View
Ioannis Georgiadis 2W / 8L / 0D View
Bartlomiej Heberla 3W / 0L / 0D View
Kanan Garayev 3W / 5L / 1D View
fda fadf 9W / 4L / 5D View
Srihari L R 3W / 2L / 0D View
Most Played Opponents
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Anselm Wagner 30W / 13L / 4D View Games
cockroachdolly 25W / 12L / 2D View Games
kolver 21W / 9L / 7D View Games
Matías Pérez Gormaz 13W / 23L / 1D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 2900 2804 2008
2024 2803 2804
2023 2602 2602
2022 2601 2475
Rating by Year202220232024202529002475YearRatingBulletBlitz

Stats by Year

Year White Black Moves
2025 957W / 1005L / 221D 830W / 1188L / 162D 98.3
2024 506W / 472L / 82D 411W / 567L / 82D 96.7
2023 138W / 120L / 27D 107W / 141L / 29D 94.8
2022 115W / 70L / 17D 107W / 82L / 14D 87.9

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
London System: Poisoned Pawn Variation 938 442 403 93 47.1%
East Indian Defense 412 176 192 44 42.7%
Amazon Attack: Siberian Attack 391 164 188 39 41.9%
Döry Defense 373 166 163 44 44.5%
Ruy Lopez: Bird's Defense Deferred 303 144 144 15 47.5%
Blackburne Shilling Gambit 173 80 84 9 46.2%
Australian Defense 161 62 87 12 38.5%
English Opening: Agincourt Defense 143 51 83 9 35.7%
QGD: 4.Nf3 109 37 65 7 33.9%
Four Knights Game 102 32 59 11 31.4%
Bullet Opening Games Wins Losses Draws Win Rate
London System: Poisoned Pawn Variation 359 154 173 32 42.9%
East Indian Defense 249 126 104 19 50.6%
Amazon Attack: Siberian Attack 234 115 105 14 49.1%
Döry Defense 187 91 83 13 48.7%
Australian Defense 152 68 74 10 44.7%
Hungarian Opening: Wiedenhagen-Beta Gambit 93 36 49 8 38.7%
Slav Defense 80 42 29 9 52.5%
Amazon Attack 76 26 45 5 34.2%
Ruy Lopez: Bird's Defense Deferred 71 29 38 4 40.9%
Nimzo-Larsen Attack: Classical Variation 57 27 27 3 47.4%
Rapid Opening Games Wins Losses Draws Win Rate
QGD: 6.Nf3 1 1 0 0 100.0%
Italian Game: Classical Variation, Ghulam-Kassim Variation 1 1 0 0 100.0%
Amar Gambit 1 1 0 0 100.0%
Barnes Opening: Walkerling 1 1 0 0 100.0%
Nimzo-Larsen Attack 1 1 0 0 100.0%
Barnes Defense 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 12 3
Losing 13 0
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