Grishhenko Sergei
From Korolyov, Russia
Internal rating (RR)
Rating date July 2, 2026 (latest changes July 2, 2026).
116 place (384.84).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (66.67 * 2 * 0.86 + 268.66 * 4.10 * 0.86 + 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 + 559.44 * 4.71 * 1) / (2 * 0.86 + 4.10 * 0.86 + 2.45 * 1 + 3.90 * 1 + 2.25 * 1 + 3.40 * 1 + 2.45 * 1 + 4.71 * 1) = 354.5600330650217
p2 = (559.44 * 4.71 * 1 + 894.74 * 2.25 * 1 + 268.66 * 4.10 * 0.86 + 256.76 * 3.40 * 1) / max_coefficients = 415.1242029239553
score = 354.5600330650217 * 0.5 + 415.1242029239553 * 0.5 = 384.8421179944885
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-02 | 119 -> 116 | 384.84 | |
| 2026-06-27 | 120 -> 119 | 384.84 | |
| 2026-06-15 | 120 | 381.18 -> 384.84 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 131 -> 120 | 313.99 -> 381.18 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 132 -> 131 | 313.99 | |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 559 |
|
64/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 259 |
|
21/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 3 | 257 |
|
56/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 4 | 895 |
|
🥉 | 3/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov |
| 5 | 158 |
|
49/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 6 | 333 |
|
21/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 7 | 269 |
|
50/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm | |
| 8 | 67 |
|
15/16 | 86% | 2.00 | RR | Random not fault | Moscow |