Grishhenko Sergei
From Korolyov, Russia
Internal rating (RR)
Rating date June 12, 2026 (latest changes June 9, 2026).
132 place (313.99).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (66.67 * 2 * 0.86 + 268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 157.89 * 3.90 * 1 + 894.74 * 2.25 * 1 + 256.76 * 3.40 * 1 + 259.26 * 2.45 * 1) / (2 * 0.86 + 4.10 * 1 + 2.45 * 1 + 3.90 * 1 + 2.25 * 1 + 3.40 * 1 + 2.45 * 1) = 304.4556409826197
p2 = (894.74 * 2.25 * 1 + 268.66 * 4.10 * 1 + 256.76 * 3.40 * 1 + 333.33 * 2.45 * 1) / max_coefficients = 323.5212121212121
score = 304.4556409826197 * 0.5 + 323.5212121212121 * 0.5 = 313.9884265519159
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-09 | 131 -> 132 | 313.99 | |
| 2026-06-08 | 131 | 312.33 -> 313.99 |
Random not fault: 100% -> 86% |
| 2026-06-04 | 133 -> 131 | 312.33 | |
| 2026-06-02 | 132 -> 133 | 312.33 | |
| 2026-05-17 | 129 -> 132 | 315.17 -> 312.33 |
Hatiko under the sakura: 0% -> 100% |
| 2026-05-14 | 130 -> 129 | 315.17 | |
| 2026-05-12 | 135 -> 130 | 315.17 | |
| 2026-05-03 | 133 -> 135 | 314.09 -> 315.17 | |
| 2026-05-02 | 134 -> 133 | 314.09 | |
| 2026-05-01 | 137 -> 134 | 314.09 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 259 |
|
21/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 2 | 257 |
|
56/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 895 |
|
🥉 | 3/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov |
| 4 | 158 |
|
49/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 5 | 333 |
|
21/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 6 | 269 |
|
50/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 7 | 67 |
|
15/16 | 86% | 2.00 | RR | Random not fault | Moscow |