Grishhenko Sergei

From Korolyov, Russia

Player page

Internal rating (RR)

Rating date Nov. 4, 2025 (latest changes Nov. 4, 2025).

188 place (188.36).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (66.67 * 2 * 1 + 268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 157.89 * 3.90 * 1 + 0) / (2 * 1 + 4.10 * 1 + 2.45 * 1 + 3.90 * 1 + 1) = 198.31078066914495

p2 = (268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 157.89 * 3.90 * 1 + 66.67 * 2 * 1) / max_coefficients = 178.4133779264214

score = 198.31078066914495 * 0.5 + 178.4133779264214 * 0.5 = 188.36207929778317

Rating changes

Show

all results
Date Place Points Reason
2025-11-04 187 -> 188 168.96 -> 188.36

XI Russian Championship: 0% -> 100%
2025-11-01 187 168.71 -> 168.96
2025-10-13 188 -> 187 166.53 -> 168.71
2025-10-09 190 -> 188 166.53
2025-10-04 192 -> 190 166.53
2025-09-03 197 -> 192 166.53
2025-09-01 198 -> 197 164.71 -> 166.53
2025-08-31 190 -> 198 164.71
2025-08-04 190 164.05 -> 164.71
2025-08-03 183 -> 190 164.05

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 158 2025-11-04 49/58 100% 3.90 RR XI Russian Championship Moscow
2 333 2025-07-13 21/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
3 269 2025-06-15 50/68 100% 4.10 RR 13 bloody tiles Perm
4 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow