Rubanov Matvei
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
77 place (514.75).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (548.39 * 3.10 * 1 + 352.94 * 3.05 * 1 + 129.03 * 2.40 * 1 + 736.84 * 1.50 * 1 + 533.33 * 2 * 1 + 933.33 * 2.45 * 1 + 623.38 * 3.45 * 1) / (3.10 * 1 + 3.05 * 1 + 2.40 * 1 + 1.50 * 1 + 2 * 1 + 2.45 * 1 + 3.45 * 1) = 540.133704735376
p2 = (933.33 * 2.45 * 1 + 623.38 * 3.45 * 1 + 548.39 * 3.10 * 1 + 736.84 * 1.50 * 1) / max_coefficients = 489.3635135135135
score = 540.133704735376 * 0.5 + 489.3635135135135 * 0.5 = 514.7486091244448
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 76 -> 77 | 514.75 | |
| 2025-09-01 | 79 -> 76 | 508.31 -> 514.75 | |
| 2025-08-31 | 90 -> 79 | 463.07 -> 508.31 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 90 | 461.09 -> 463.07 | |
| 2025-08-03 | 89 -> 90 | 461.09 | |
| 2025-07-30 | 90 -> 89 | 461.09 | |
| 2025-07-26 | 88 -> 90 | 461.09 | |
| 2025-07-13 | 123 -> 88 | 379.36 -> 461.09 |
Agari Summer Tournament 2025: 0% -> 100% |
| 2025-07-12 | 125 -> 123 | 376.35 -> 379.36 | |
| 2025-07-05 | 124 -> 125 | 376.35 |
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 | 737 |
|
6/20 | 100% | 1.50 | CRR | HaTiKo | Korolyov | |
| 5 | 129 |
|
28/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 6 | 353 |
|
34/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 7 | 548 |
|
15/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow |