Tsiporin Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date April 4, 2026 (latest changes April 4, 2026).
33 place (628.30).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (126.32 * 3.85 * 0.43 + 258.43 * 3.75 * 0.57 + 452.38 * 2.60 * 0.71 + 745.10 * 3.05 * 0.71 + 525.42 * 3.25 * 0.86 + 210.53 * 1.50 * 1 + 597.01 * 4.10 * 1 + 961.04 * 3.45 * 1 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 156.86 * 2.30 * 1) / (3.85 * 0.43 + 3.75 * 0.57 + 2.60 * 0.71 + 3.05 * 0.71 + 3.25 * 0.86 + 1.50 * 1 + 4.10 * 1 + 3.45 * 1 + 3.90 * 1 + 2.50 * 1 + 2.30 * 1) = 538.2645677319639
p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 1 + 597.01 * 4.10 * 1 + 745.10 * 3.05 * 0.71) / max_coefficients = 718.3444816053513
score = 538.2645677319639 * 0.5 + 718.3444816053513 * 0.5 = 628.3045246686577
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-02 | 32 -> 33 | 640.72 -> 628.30 |
Agari Winter Tournament 2025: 86% -> 71% |
| 2026-04-01 | 34 -> 32 | 640.72 | |
| 2026-03-26 | 34 | 640.16 -> 640.72 |
Riichi On Ice: 86% -> 71% |
| 2026-03-14 | 30 -> 34 | 656.56 -> 640.16 |
"Furin" club tournament: for the anniversary: 0% -> 100% |
| 2026-03-10 | 31 -> 30 | 656.56 | |
| 2026-03-07 | 30 -> 31 | 656.56 | |
| 2026-03-01 | 31 -> 30 | 652.09 -> 656.56 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-23 | 23 -> 31 | 671.18 -> 652.09 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-16 | 24 -> 23 | 670.48 -> 671.18 |
White Wolf Cup: 100% -> 86% |
| 2026-02-13 | 26 -> 24 | 666.98 -> 670.48 |
Moscow Riichi 2024: 71% -> 57% |
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 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 6 | 597 |
|
28/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 7 | 211 |
|
16/20 | 100% | 1.50 | CRR | HaTiKo | Korolyov | |
| 8 | 525 |
|
29/60 | 86% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 9 | 745 |
|
14/52 | 71% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 10 | 452 |
|
24/43 | 71% | 2.60 | RR | Riichi On Ice | Samara | |
| 11 | 258 |
|
67/90 | 57% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 12 | 126 |
|
84/96 | 43% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |