Rubanov Matvei
From Korolyov, Russia
Internal rating (RR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
74 place (498.39).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (548.39 * 3.10 * 1 + 352.94 * 3.05 * 1 + 129.03 * 2.40 * 1 + 533.33 * 2 * 1 + 933.33 * 2.45 * 1 + 623.38 * 3.45 * 1) / (3.10 * 1 + 3.05 * 1 + 2.40 * 1 + 2 * 1 + 2.45 * 1 + 3.45 * 1) = 522.1969604863222
p2 = (933.33 * 2.45 * 1 + 623.38 * 3.45 * 1 + 548.39 * 3.10 * 1 + 352.94 * 3.05 * 1) / max_coefficients = 474.5914473684211
score = 522.1969604863222 * 0.5 + 474.5914473684211 * 0.5 = 498.3942039273716
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 89 -> 74 | 449.31 -> 498.39 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 90 -> 89 | 449.31 | |
| 2025-08-04 | 90 | 447.34 -> 449.31 | |
| 2025-08-03 | 89 -> 90 | 447.34 | |
| 2025-07-30 | 90 -> 89 | 447.34 | |
| 2025-07-13 | 126 -> 90 | 315.05 -> 447.34 |
Agari Summer Tournament 2025: 0% -> 100% |
| 2025-07-12 | 126 | 312.52 -> 315.05 | |
| 2025-07-03 | 127 -> 126 | 312.52 | |
| 2025-06-15 | 122 -> 127 | 316.45 -> 312.52 | |
| 2025-06-11 | 125 -> 122 | 316.45 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 623 |
|
30/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 933 |
|
🥉 | 3/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow |
| 3 | 533 |
|
8/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 4 | 129 |
|
28/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 5 | 353 |
|
34/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 6 | 548 |
|
15/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow |