Laktyukhin Kirill
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Sept. 20, 2026 (latest changes Sept. 17, 2026).
78 place (541.45).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (850 * 1.50 * 1 + 72.73 * 3 * 1 + 545.45 * 4.71 * 1 + 741.94 * 2.40 * 1 + 898.31 * 3.40 * 1 + 197.18 * 3.40 * 1) / (1.50 * 1 + 3 * 1 + 4.71 * 1 + 2.40 * 1 + 3.40 * 1 + 3.40 * 1) = 519.6947311243889
p2 = (898.31 * 3.40 * 1 + 545.45 * 4.71 * 1 + 741.94 * 2.40 * 1 + 850 * 1.50 * 1) / max_coefficients = 563.2044127190136
score = 519.6947311243889 * 0.5 + 563.2044127190136 * 0.5 = 541.4495719217012
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-06 | 60 -> 78 | 577.98 -> 541.45 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-03 | 61 -> 60 | 577.98 | |
| 2026-09-02 | 62 -> 61 | 577.98 | |
| 2026-09-01 | 61 -> 62 | 577.98 | |
| 2026-08-31 | 66 -> 61 | 577.07 -> 577.98 | |
| 2026-08-29 | 65 -> 66 | 577.07 | |
| 2026-08-16 | 125 -> 65 | 420.65 -> 577.07 |
Ufa Championship 2026: 0% -> 100% |
| 2026-08-15 | 125 | 419.26 -> 420.65 | |
| 2026-08-13 | 126 -> 125 | 419.26 | |
| 2026-08-04 | 128 -> 126 | 419.26 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 197 |
|
58/72 | 100% | 3.40 | RR | Sunset Wolf Cup 2026 | Saint Petersburg | |
| 2 | 898 |
|
7/60 | 100% | 3.40 | RR | Ufa Championship 2026 | Ufa | |
| 3 | 742 |
|
9/32 | 100% | 2.40 | RR | Poplar fluff. Mahjong. July. | Yekaterinburg | |
| 4 | 545 |
|
66/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 5 | 73 |
|
52/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara | |
| 6 | 850 |
|
4/21 | 100% | 1.50 | CRR | San-Biki Cup | Saratov |