Sheshuev Ivan
From Cherepovets, Russia
Common russian riichi rating (CRR)
Rating date Sept. 21, 2026 (latest changes Sept. 17, 2026).
85 place (519.03).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (491.53 * 3.25 * 0.43 + 930.23 * 3 * 0.86 + 64.94 * 3.45 * 0.86 + 675.68 * 3.40 * 1 + 605.63 * 3.40 * 1) / (3.25 * 0.43 + 3 * 0.86 + 3.45 * 0.86 + 3.40 * 1 + 3.40 * 1) = 555.7105058615309
p2 = (930.23 * 3 * 0.86 + 675.68 * 3.40 * 1 + 605.63 * 3.40 * 1 + 491.53 * 3.25 * 0.43) / max_coefficients = 482.3510707332901
score = 555.7105058615309 * 0.5 + 482.3510707332901 * 0.5 = 519.0307882974105
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-07 | 86 -> 85 | 519.03 | |
| 2026-09-06 | 124 -> 86 | 426.41 -> 519.03 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-02 | 125 -> 124 | 426.41 | |
| 2026-09-01 | 116 -> 125 | 444.57 -> 426.41 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 122 -> 116 | 434.98 -> 444.57 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-30 | 119 -> 122 | 434.98 | |
| 2026-08-27 | 120 -> 119 | 434.98 | |
| 2026-08-26 | 121 -> 120 | 434.98 | |
| 2026-08-16 | 110 -> 121 | 442.04 -> 434.98 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 110 | 440.66 -> 442.04 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 606 |
|
29/72 | 100% | 3.40 | RR | Sunset Wolf Cup 2026 | Saint Petersburg | |
| 2 | 676 |
|
25/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 65 |
|
73/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 4 | 930 |
|
4/44 | 86% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 5 | 492 |
|
31/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 316 |
|
66/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 7 | 65 |
|
44/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |