Rubanov Matvei
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Oct. 31, 2025 (latest changes Oct. 27, 2025).
69 place (522.42).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
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 = 504.71521101113706
score = 540.133704735376 * 0.5 + 504.71521101113706 * 0.5 = 522.4244578732565
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-25 | 70 -> 69 | 522.42 | |
| 2025-10-22 | 71 -> 70 | 522.42 | |
| 2025-10-13 | 74 -> 71 | 514.75 -> 522.42 | |
| 2025-10-09 | 73 -> 74 | 514.75 | |
| 2025-09-14 | 75 -> 73 | 514.75 | |
| 2025-09-12 | 77 -> 75 | 514.75 | |
| 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 |
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 |