Volosnikov Oleg
From Kurgan, Russia
Internal rating (RR)
Rating date July 5, 2026 (latest changes July 3, 2026).
75 place (487.31).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (63.83 * 2.80 * 0.14 + 483.87 * 2.40 * 0.57 + 328.36 * 4.10 * 0.86 + 600 * 2.50 * 1 + 727.27 * 4.71 * 1) / (2.80 * 0.14 + 2.40 * 0.57 + 4.10 * 0.86 + 2.50 * 1 + 4.71 * 1) = 541.6662998705943
p2 = (727.27 * 4.71 * 1 + 600 * 2.50 * 1 + 328.36 * 4.10 * 0.86 + 483.87 * 2.40 * 0.57) / max_coefficients = 432.95571946005265
score = 541.6662998705943 * 0.5 + 432.95571946005265 * 0.5 = 487.31100966532347
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-03 | 77 -> 75 | 487.31 | |
| 2026-07-02 | 76 -> 77 | 491.87 -> 487.31 |
Riichi Maslenitsa (shrovetide): 71% -> 57% |
| 2026-06-15 | 77 -> 76 | 485.16 -> 491.87 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 128 -> 77 | 315.13 -> 485.16 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 130 -> 128 | 315.13 | |
| 2026-06-09 | 129 -> 130 | 315.13 | |
| 2026-06-04 | 130 -> 129 | 315.13 | |
| 2026-05-26 | 131 -> 130 | 315.13 | |
| 2026-05-17 | 130 -> 131 | 315.13 | |
| 2026-05-14 | 132 -> 130 | 309.72 -> 315.13 |
Guardian of the Winds: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 727 |
|
40/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 600 |
|
15/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 3 | 328 |
|
46/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 484 |
|
17/32 | 57% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 5 | 64 |
|
45/48 | 14% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 6 | 290 |
|
77/108 | 0% | 4.60 | RR | X Russian Championship | Perm |