João Mateus Santos (JMateus72)
João Mateus Santos is a formidable chess player with a flair for the rapid and furious world of online blitz battles. Starting his journey in 2016 with a modest blitz rating of 1233, João has steadily climbed the ranks, reaching an impressive peak blitz rating of 2432 in early 2025. His fast-paced style is no joke—when the clock ticks down, he thrives.
Playing Style and Strengths
Known for his dogged resilience, João boasts an incredible comeback rate of 84.41%, proving he's not one to throw in the towel lightly—even when down a piece! His average game length hovers around 77 moves for wins and 79 moves for losses, indicating a preference for gritty battles full of twists rather than quick knockouts.
João’s psychological armor is strong; although he tends to tilt occasionally with a factor of 17, his best playing hour is around 8 PM, making evenings his prime time to outwit opponents. With a white win rate just shy of 50%, and a respectable black win rate near 45%, João’s solid all-around game keeps rivals on their toes.
Notable Statistics
- Blitz Record: 5,902 wins, 6,090 losses, 747 draws
- Rapid Record: 67 wins, 68 losses, 7 draws
- Bullet Record: 1,678 wins, 1,732 losses, 169 draws
- Longest Winning Streak: 12 games
- Known openings include the Kings Indian Defense, Catalan Opening, and the London System, with above 50% win rate in solid favorites like the London System and King's Indian Orthodox Defense.
Famous For
João’s expertise lies especially in blitz chess—a realm where speedy intuition and tactical sharpness reign supreme. He is a master of classic openings peppered with modern twists, and his opponents often find themselves tangled in intricate middle games or outmaneuvered by endgame prowess (he plays endgames in over 82% of his games!).
Fun Fact
João’s chess resilience has earned him the nickname “The Comeback Kid” among his online chess buddies. Opponents beware: even if you get ahead, João's knack for snatching victories from the jaws of defeat might have you watching your back—right up to the last move.
Recent Battles
On May 31, 2025, João demonstrated his strategic depth in a swift 21-move victory against a 2360-rated opponent with the Reti Opening, showing off his adept handling of complex positions and nerves of steel.
Despite facing setbacks, including some tough checkmate losses, João’s spirit and love for the game keep him pushing forward. With a blend of tactical finesse and stubborn endurance, João Mateus Santos lights up the virtual chessboard every time he plays.
Overview of your blitz progress
You have shown very positive short‑term gains recently. In the last month your rating rose by 77 points, and over the last three months your rating improved by 121 points, with a six‑month gain of 107. However, the twelve‑month trend is slightly negative, which suggests there have been ups and downs over a longer period. Your overall strength adjusted win rate sits around 50%, indicating you’re almost breaking even and there’s clear room to push your results over the 55–60% range to sustain growth.
What you are doing well
- Consistent improvement in the near term: the 1‑ and 3‑month changes show you’re adapting well and locking in gains during recent sessions.
- Solid results in certain openings: your performance in the Italian Game: Two Knights Defense (about 54% wins) and the Slav Defense: Bonet Gambit (about 55% wins) suggests you can handle sharper, dynamic lines with good practical play.
- Diverse opening handling: you’re willing to test a variety of systems, which helps you learn different types of positions and avoid becoming too predictable.
Areas to improve
- Convert advantages consistently in blitz: your strength adjusted win rate being near 50% indicates you often find moments to press but sometimes fail to convert, especially in time pressure or late middlegame endgames.
- Endgame technique under time pressure: many blitz games reach simplified or rook endings where precise technique matters. Sharpening rook and minor piece endgames can increase your conversion rate.
- Time management and move ordering: in several long tactical sequences you can refine how you pace your responses to keep pressure on your opponent without getting into time trouble.
- Repertoire curation for blitz: while your results are solid in some openings, others (like the London System variant shown in openings data) are less successful. Streamline to fewer, well-understood lines to reduce on-the-spot decision fatigue.
Opening recommendations based on your data
- Lean into your strengths: Italian Game: Two Knights and Slav Defense: Bonet Gambit are performing well for you. Consider expanding these lines with focused study (typical plans, key moves, and common pitfalls) to build a reliable blitz repertoire.
- Minimize heavy reliance on weaker lines: the London System: Poisoned Pawn Variation shows a lower win rate. If you use it, pair it with solid, well-understood middlegame ideas or limit its use to opponents you know well.
- Balance your white and black choices: complement your strong openings with two solid secondary options for both sides so you can adapt to the opponent’s choices without sacrificing consistency.
- Study typical tactical motifs in your common openings: focus on themes that frequently arise in your best lines (knight maneuvers, central breaks, and typical pawn structures) to speed up calculation in blitz.
Practical plan to raise your blitz level (4 weeks)
- Week 1 — tighten time management and tactical pace:
- Do 15–20 minutes of tactics daily to reinforce pattern recognition.
- Play a small batch of blitz games (3–6 per day) with a strict 3+2 or 5+0 time control to practice quick decision making.
- Review 2–3 losses focusing on the moment you lost the initiative or blundered under time pressure.
- Week 2 — reinforce your best openings:
- Deepen study of Italian Two Knights and Slav Bonet Gambit: learn typical plans, common traps, and how to convert small advantages.
- Keep London System usage light unless you’re comfortable with its typical middlegame themes.
- Week 3 — endgame and conversion:
- Practice rook endings and minor piece endgames with 1–2 practice sessions per week (short endgame drills or puzzle‑style endgames).
- Play 2–3 practice blitz games focusing on maintaining pressure and converting slight advantages.
- Week 4 — simulation and review:
- Run a mini‑tournament: 6 blitz games with a clock target and review every game for a quick win‑loss pattern (where you spent too long, or missed a stronger plan).
- Prepare a compact one‑page repertoire summary for your two main openings for white and two for black.
Suggested training resources and placeholders
- To review your profile and progress, see your games here: João Mateus Santos
- For opening ideas and plans, you can explore: London System: Poisoned Pawn Variation and Slav Defense: Bonet Gambit
- If you want a compact practice game pack reflecting your recent openings, you can use a sample Pgn:
Summary and next steps
You’ve shown reliable near‑term improvement and have identified openings that suit your style. Focus on converting advantages, sharpening endgames, and consolidating a compact opening repertoire. With consistent practice, aim to push your strength‑adjusted win rate above 55% in the next 4–6 weeks and keep tracking your month‑to‑month trend to stay on a positive trajectory.
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| timetostudy9 | 1W / 0L / 0D | |
| timetraveller2020 | 0W / 1L / 0D | |
| beregru | 1W / 1L / 0D | |
| Most Played Opponents | ||
|---|---|---|
| dingman | 71W / 99L / 5D | |
| zipho_lunika | 31W / 40L / 3D | |
| amcwaml | 27W / 36L / 3D | |
| tio_selby | 21W / 33L / 1D | |
| allendavid | 16W / 26L / 5D | |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2138 | 2146 | ||
| 2024 | 2256 | 2372 | 2170 | |
| 2023 | 2217 | 2417 | 2197 | |
| 2022 | 2202 | 2333 | 2199 | |
| 2021 | 2204 | 2243 | 2270 | |
| 2020 | 2100 | 2205 | ||
| 2019 | 1814 | 1881 | ||
| 2018 | 1906 | |||
| 2017 | 1087 | 1639 | ||
| 2016 | 1802 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 272W / 313L / 20D | 256W / 319L / 29D | 78.5 |
| 2024 | 407W / 413L / 50D | 360W / 463L / 52D | 83.1 |
| 2023 | 489W / 519L / 68D | 439W / 574L / 65D | 79.9 |
| 2022 | 1208W / 1225L / 133D | 1084W / 1340L / 140D | 79.8 |
| 2021 | 1111W / 1007L / 125D | 1066W / 1026L / 146D | 80.6 |
| 2020 | 510W / 422L / 47D | 488W / 451L / 62D | 80.2 |
| 2019 | 103W / 94L / 5D | 111W / 87L / 11D | 72.9 |
| 2018 | 25W / 13L / 1D | 29W / 9L / 1D | 77.1 |
| 2017 | 36W / 23L / 0D | 26W / 31L / 1D | 64.7 |
| 2016 | 2W / 0L / 0D | 1W / 0L / 0D | 72.7 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| London System: Poisoned Pawn Variation | 336 | 149 | 167 | 20 | 44.4% |
| Australian Defense | 332 | 162 | 153 | 17 | 48.8% |
| Italian Game: Two Knights Defense | 315 | 170 | 132 | 13 | 54.0% |
| Slav Defense: Bonet Gambit | 296 | 161 | 113 | 22 | 54.4% |
| Amazon Attack: Siberian Attack | 296 | 132 | 145 | 19 | 44.6% |
| Gruenfeld: Exchange Variation | 255 | 111 | 127 | 17 | 43.5% |
| Blackburne Shilling Gambit | 251 | 120 | 122 | 9 | 47.8% |
| Amar Gambit | 233 | 104 | 110 | 19 | 44.6% |
| Scotch Game | 219 | 94 | 112 | 13 | 42.9% |
| Colle System: Rhamphorhynchus Variation | 209 | 101 | 104 | 4 | 48.3% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Sicilian Defense: Alapin Variation, Sherzer Variation | 12 | 4 | 7 | 1 | 33.3% |
| English Opening: Agincourt Defense | 4 | 3 | 1 | 0 | 75.0% |
| Catalan Opening: Open Defense | 4 | 1 | 3 | 0 | 25.0% |
| Ruy Lopez: Marshall Attack | 4 | 1 | 2 | 1 | 25.0% |
| Gruenfeld: Exchange Variation | 4 | 0 | 4 | 0 | 0.0% |
| Nimzo-Larsen Attack | 3 | 1 | 1 | 1 | 33.3% |
| Ruy Lopez: Closed | 3 | 1 | 2 | 0 | 33.3% |
| King's Indian Defense: Kazakh Variation | 3 | 1 | 2 | 0 | 33.3% |
| Catalan Opening | 3 | 2 | 1 | 0 | 66.7% |
| Slav Defense: Bonet Gambit | 3 | 3 | 0 | 0 | 100.0% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Australian Defense | 236 | 100 | 123 | 13 | 42.4% |
| Amar Gambit | 167 | 81 | 78 | 8 | 48.5% |
| Alekhine Defense | 157 | 80 | 68 | 9 | 51.0% |
| Italian Game: Two Knights Defense | 129 | 58 | 67 | 4 | 45.0% |
| Amazon Attack: Siberian Attack | 100 | 49 | 49 | 2 | 49.0% |
| London System: Poisoned Pawn Variation | 93 | 57 | 35 | 1 | 61.3% |
| Slav Defense: Bonet Gambit | 89 | 44 | 43 | 2 | 49.4% |
| Nimzo-Larsen Attack | 67 | 28 | 33 | 6 | 41.8% |
| Colle System: Rhamphorhynchus Variation | 66 | 34 | 26 | 6 | 51.5% |
| Benoni Defense: Benoni Gambit Accepted | 64 | 29 | 31 | 4 | 45.3% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 12 | 1 |
| Losing | 17 | 0 |