Rubanov Matvei
From Korolyov, Russia
Internal rating (RR)
Rating date Jan. 7, 2026 (latest changes Jan. 7, 2026).
52 place (541.00).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (548.39 * 3.10 * 0.86 + 352.94 * 3.05 * 1 + 129.03 * 2.40 * 1 + 533.33 * 2 * 1 + 933.33 * 2.45 * 1 + 623.38 * 3.45 * 1 + 842.11 * 2.25 * 1) / (3.10 * 0.86 + 3.05 * 1 + 2.40 * 1 + 2 * 1 + 2.45 * 1 + 3.45 * 1 + 2.25 * 1) = 560.9872591404616
p2 = (933.33 * 2.45 * 1 + 623.38 * 3.45 * 1 + 842.11 * 2.25 * 1 + 548.39 * 3.10 * 0.86) / max_coefficients = 521.0120401337792
score = 560.9872591404616 * 0.5 + 521.0120401337792 * 0.5 = 540.9996496371205
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-07 | 50 -> 52 | 548.98 -> 541.00 |
Moscow Open Riichi Marathon: 100% -> 86% |
| 2025-12-13 | 53 -> 50 | 548.98 | |
| 2025-12-07 | 69 -> 53 | 502.36 -> 548.98 |
Winter Hatiko: 0% -> 100% |
| 2025-12-04 | 67 -> 69 | 502.36 | |
| 2025-11-30 | 64 -> 67 | 502.36 | |
| 2025-11-14 | 65 -> 64 | 502.36 | |
| 2025-11-04 | 64 -> 65 | 513.33 -> 502.36 | |
| 2025-11-01 | 66 -> 64 | 512.45 -> 513.33 | |
| 2025-10-13 | 68 -> 66 | 504.81 -> 512.45 | |
| 2025-09-14 | 70 -> 68 | 504.81 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 842 |
|
4/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov | |
| 2 | 623 |
|
30/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 933 |
|
🥉 | 3/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow |
| 4 | 533 |
|
8/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 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 | 86% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow |