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
| 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 |
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 |