Avatar of Jonathas Sousa Ribas

Jonathas Sousa Ribas

Username: Jon77chess

Playing Since: 2021-11-18 (Inactive)

Wow Factor: ♟

Chess.com

Daily: 1413
75W / 31L / 8D
Rapid: 1489
2826W / 2799L / 330D
Blitz: 1030
147W / 159L / 10D
Bullet: 1047
1070W / 984L / 35D

Jonathas Sousa Ribas - The Strategic Biologist of Chess

Also known by the username Jon77chess, Jonathas Sousa Ribas has evolved his chess aptitude much like a masterful organism adapting to its environment. From his early days in 2021 with a rapid rating close to 1270, Jonathas has steadily mutated his skill set, reaching a peak rapid rating of 1660 in 2024—proving that in the Darwinian ecosystem of chess, survival requires constant evolution.

His style is a remarkable blend of patience and tactical sharpness, with an average of over 68 moves per win. This endurance testifies to his genetic resilience on the board, where he frequently navigates late-game battles—his endgame frequency clocks in at an impressive 69.18%. Much like a cell repairing DNA, Jonathas boasts a comeback rate nearing 83%, and remarkably, a 100% win rate after losing a piece, showcasing an almost miraculous regenerative strategy.

Jonathas seems to have a particular fondness for nature-inspired defenses, excelling especially with the Philidor Defense and its Exchange Variation, as well as the Scotch Game—openings as methodical and intricate as the branching of a dendritic neuron. His win rates in these openings consistently hover around or above 50%, indicating well-honed instinctual responses to threats and opportunities alike.

When it comes to timing, his chess circadian rhythm peaks with notably high win rates during late-night hours—a nocturnal predator on the chessboard. His overall win percentage hovers near 50%, with a slight edge when playing white pieces. And while he sometimes shows signs of tilt, akin to a cell under oxidative stress at 13%, his persistence keeps his game path clear from fatal mutations.

Whether facing the daily grind, rapid duels, or the blazing speed of bullet chess, Jonathas adapts swiftly. With over 2,500 rapid wins and an adventurous 1,000+ bullet victories, his competitive genome is rich and varied. Beware opponents, for this player’s strategy is neither static nor dormant—he is a living, breathing chess organism, ready to claim the next evolutionary advantage!


🆚 Opponent Insights

Recent Opponents
spsteja 1W / 0L / 0D View
idididididou 1W / 0L / 0D View
omersasson11 1W / 0L / 0D View
pleasantfield 1W / 0L / 0D View
disownedinpublic 0W / 1L / 0D View
Most Played Opponents
elharolito8 0W / 8L / 0D View Games
tim12345678 2W / 4L / 2D View Games
ramialsaleh 5W / 2L / 0D View Games
shtol-ural 4W / 3L / 0D View Games
stepenstein 4W / 2L / 0D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 1577 1474
2024 1498 1542
2023 1047 1468 1635
2022 937 1030 1256 1569
2021 1270
Rating by Year202120222023202420251635937YearRatingBulletRapidDaily

Stats by Year

Year White Black Moves
2025 340W / 302L / 34D 301W / 328L / 45D 70.3
2024 557W / 510L / 78D 538W / 550L / 65D 70.3
2023 529W / 435L / 60D 485W / 496L / 50D 69.7
2022 652W / 582L / 23D 603W / 647L / 20D 63.4
2021 56W / 38L / 3D 43W / 53L / 1D 59.8

Openings: Most Played

Rapid Opening Games Wins Losses Draws Win Rate
Philidor Defense 775 368 365 42 47.5%
Philidor Defense Exchange Variation 445 214 206 25 48.1%
Scotch Game 253 134 94 25 53.0%
Top Secret 239 108 119 12 45.2%
Ruy Lopez Opening Old Steinitz Defense 170 86 73 11 50.6%
Bishops Opening 128 57 65 6 44.5%
Kings Pawn Opening 126 65 55 6 51.6%
Queens Pawn Opening Zukertort Variation 125 52 67 6 41.6%
Pirc Defense Modern Defense Geller System 125 61 55 9 48.8%
Caro Kann Defense Exchange Variation 123 63 54 6 51.2%
Daily Opening Games Wins Losses Draws Win Rate
Philidor Defense Exchange Variation 12 7 3 2 58.3%
Philidor Defense 12 9 3 0 75.0%
Undefined 8 4 4 0 50.0%
Kings Pawn Opening Kings Knight Variation 7 7 0 0 100.0%
Kings Pawn Opening 7 7 0 0 100.0%
Scandinavian Defense Mieses Kotrc Main Line 4 2 0 2 50.0%
Caro Kann Defense Exchange Variation 4 1 3 0 25.0%
Italian Game 4 3 0 1 75.0%
Kings Gambit Accepted Fischer Defense 4 1 2 1 25.0%
Italian Game Two Knights Modern Bishops Opening 4 1 3 0 25.0%
Bullet Opening Games Wins Losses Draws Win Rate
Philidor Defense 188 100 80 8 53.2%
Pirc Defense 174 88 84 2 50.6%
Kings Pawn Opening 110 58 52 0 52.7%
Pirc Defense Modern Defense Geller System 95 52 42 1 54.7%
Scotch Game 92 50 39 3 54.4%
Philidor Defense Exchange Variation 76 38 37 1 50.0%
Kings Pawn Opening Leonardis Variation 67 29 36 2 43.3%
Scandinavian Defense Mieses Kotrc Variation 66 29 34 3 43.9%
French Defense Knight Variation 60 35 25 0 58.3%
Scandinavian Defense 54 33 21 0 61.1%
Blitz Opening Games Wins Losses Draws Win Rate
Philidor Defense 45 25 19 1 55.6%
Scotch Game 25 8 15 2 32.0%
Philidor Defense Exchange Variation 25 14 11 0 56.0%
Pirc Defense 15 8 7 0 53.3%
Scandinavian Defense Mieses Kotrc Variation 14 6 8 0 42.9%
Kings Pawn Opening Kings Knight Variation 12 2 9 1 16.7%
Pirc Defense Maroczy Defense 10 2 8 0 20.0%
Petrovs Defense 8 4 4 0 50.0%
Pirc Defense Modern Defense Geller System 8 4 4 0 50.0%
Kings Gambit Accepted Fischer Defense 7 2 4 1 28.6%

🔥 Streaks

Streak Longest Current
Winning 14 4
Losing 13 0
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