Sheshuev Ivan
From Cherepovets, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
123 place (392.87).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (65.22 * 2.10 * 0.57 + 315.79 * 3.85 * 0.86 + 491.53 * 3.25 * 1 + 930.23 * 3 * 1 + 64.94 * 3.45 * 1) / (2.10 * 0.57 + 3.85 * 0.86 + 3.25 * 1 + 3 * 1 + 3.45 * 1) = 403.7035798102434
p2 = (930.23 * 3 * 1 + 491.53 * 3.25 * 1 + 315.79 * 3.85 * 0.86 + 64.94 * 3.45 * 1) / max_coefficients = 382.0432432432432
score = 403.7035798102434 * 0.5 + 382.0432432432432 * 0.5 = 392.8734115267433
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 124 -> 123 | 392.87 | |
| 2025-09-01 | 123 -> 124 | 391.92 -> 392.87 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 107 -> 123 | 417.90 -> 391.92 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 108 -> 107 | 417.90 | |
| 2025-08-04 | 109 -> 108 | 416.07 -> 417.90 | |
| 2025-08-03 | 200 -> 109 | 234.55 -> 416.07 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-30 | 202 -> 200 | 232.14 -> 234.55 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 200 -> 202 | 232.14 | |
| 2025-07-14 | 201 -> 200 | 232.14 | |
| 2025-07-13 | 198 -> 201 | 232.14 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 65 |
|
73/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 930 |
|
4/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 3 | 492 |
|
31/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 4 | 316 |
|
66/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 5 | 65 |
|
44/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |