Tsiporin Aleksandr
From Moscow, Russia
Internal rating (RR)
Rating date June 15, 2025 (latest changes June 15, 2025).
80 place (462.95).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (126.32 * 3.85 * 1 + 258.43 * 3.75 * 1 + 452.38 * 2.60 * 1 + 745.10 * 3.05 * 1 + 525.42 * 3.25 * 1 + 597.01 * 4.10 * 1) / (3.85 * 1 + 3.75 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 4.10 * 1) = 439.7839805825242
p2 = (597.01 * 4.10 * 1 + 745.10 * 3.05 * 1 + 525.42 * 3.25 * 1 + 452.38 * 2.60 * 1) / max_coefficients = 486.11489350276753
score = 439.7839805825242 * 0.5 + 486.11489350276753 * 0.5 = 462.94943704264585
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 96 -> 80 | 401.95 -> 462.95 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 98 -> 96 | 401.95 | |
| 2025-05-12 | 100 -> 98 | 393.59 -> 401.95 | |
| 2025-05-03 | 98 -> 100 | 393.59 | |
| 2025-04-26 | 96 -> 98 | 393.59 | |
| 2025-04-11 | 98 -> 96 | 393.59 | |
| 2025-03-10 | 99 -> 98 | 393.59 | |
| 2025-03-03 | 101 -> 99 | 393.59 | |
| 2025-03-02 | 97 -> 101 | 393.59 | |
| 2025-02-16 | 109 -> 97 | 326.78 -> 393.59 |
White Wolf Cup: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 597 |
|
28/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 525 |
|
29/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 3 | 745 |
|
14/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 4 | 452 |
|
24/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 5 | 258 |
|
67/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 126 |
|
84/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |