Grishhenko Sergei
From Korolyov, Russia
Internal rating (RR)
Rating date July 12, 2025 (latest changes July 12, 2025).
192 place (108.07).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (268.66 * 4.10 * 1 + 66.67 * 2 * 1 + 0 + 0 + 0) / (4.10 * 1 + 2 * 1 + 1 + 1 + 1) = 135.6945054945055
p2 = (268.66 * 4.10 * 1 + 66.67 * 2 * 1) / max_coefficients = 80.4442996742671
score = 135.6945054945055 * 0.5 + 80.4442996742671 * 0.5 = 108.0694025843863
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 193 -> 192 | 107.32 -> 108.07 | |
| 2025-06-15 | 193 | 107.32 |
13 bloody tiles: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 269 |
|
50/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 67 |
|
15/16 | 100% | 2.00 | RR | Random not fault | Moscow |