Sheshuev Ivan
From Cherepovets, Russia
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
115 place (396.52).
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 * 0.43 + 315.79 * 3.85 * 0.86 + 64.94 * 3.45 * 1 + 930.23 * 3 * 1 + 491.53 * 3.25 * 1) / (2.10 * 0.43 + 3.85 * 0.86 + 3.45 * 1 + 3 * 1 + 3.25 * 1) = 411.0059824192916
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 = 411.0059824192916 * 0.5 + 382.0432432432432 * 0.5 = 396.5246128312674
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-30 | 117 -> 115 | 392.87 -> 396.52 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-26 | 118 -> 117 | 392.87 | |
| 2025-09-15 | 119 -> 118 | 392.87 | |
| 2025-09-12 | 121 -> 119 | 392.87 | |
| 2025-09-10 | 123 -> 121 | 392.87 | |
| 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 |
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 | 43% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |