Tsiporin Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2026 (latest changes Sept. 4, 2026).
59 place (580.80).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (258.43 * 3.75 * 0.14 + 452.38 * 2.60 * 0.43 + 745.10 * 3.05 * 0.43 + 525.42 * 3.25 * 0.43 + 210.53 * 1.50 * 0.71 + 597.01 * 4.10 * 0.71 + 961.04 * 3.45 * 0.86 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 156.86 * 2.30 * 1) / (3.75 * 0.14 + 2.60 * 0.43 + 3.05 * 0.43 + 3.25 * 0.43 + 1.50 * 0.71 + 4.10 * 0.71 + 3.45 * 0.86 + 3.90 * 1 + 2.50 * 1 + 2.30 * 1) = 582.9526842197597
p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 0.86 + 597.01 * 4.10 * 0.71 + 745.10 * 3.05 * 0.43) / max_coefficients = 578.6417910447761
score = 582.9526842197597 * 0.5 + 578.6417910447761 * 0.5 = 580.797237632268
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-02 | 60 -> 59 | 580.80 | |
| 2026-09-01 | 64 -> 60 | 574.69 -> 580.80 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 53 -> 64 | 593.64 -> 574.69 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-26 | 52 -> 53 | 593.64 | |
| 2026-08-16 | 55 -> 52 | 593.11 -> 593.64 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 49 -> 55 | 602.35 -> 593.11 |
13 bloody tiles: 86% -> 71% |
| 2026-08-13 | 51 -> 49 | 598.56 -> 602.35 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-04 | 53 -> 51 | 598.56 | |
| 2026-08-02 | 48 -> 53 | 610.56 -> 598.56 |
Agari Winter Tournament 2025: 57% -> 43% |
| 2026-07-26 | 48 | 609.59 -> 610.56 |
Riichi On Ice: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 157 |
|
44/52 | 100% | 2.30 | CRR | "Furin" club tournament: for the anniversary | Moscow | |
| 2 | 203 |
|
60/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 314 |
|
25/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 4 | 860 |
|
9/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 5 | 961 |
|
4/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 6 | 597 |
|
28/68 | 71% | 4.10 | RR | 13 bloody tiles | Perm | |
| 7 | 211 |
|
16/20 | 71% | 1.50 | CRR | HaTiKo | Korolyov | |
| 8 | 525 |
|
29/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 9 | 745 |
|
14/52 | 43% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 10 | 452 |
|
24/43 | 43% | 2.60 | RR | Riichi On Ice | Samara | |
| 11 | 258 |
|
67/90 | 14% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 12 | 126 |
|
84/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |