Grishhenko Sergei

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).

205 place (218.29).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (473.68 * 1.50 * 1 + 66.67 * 2 * 1 + 268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 0) / (1.50 * 1 + 2 * 1 + 4.10 * 1 + 2.45 * 1 + 1) = 249.95656108597282

p2 = (268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 473.68 * 1.50 * 1 + 66.67 * 2 * 1) / max_coefficients = 186.62297297297295

score = 249.95656108597282 * 0.5 + 186.62297297297295 * 0.5 = 218.2897670294729

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 210 -> 205 218.29
2025-09-01 212 -> 210 215.83 -> 218.29
2025-08-31 210 -> 212 215.83
2025-08-25 213 -> 210 215.83
2025-08-04 214 -> 213 214.95 -> 215.83
2025-08-03 210 -> 214 214.95
2025-07-26 207 -> 210 214.95
2025-07-19 208 -> 207 214.95
2025-07-13 233 -> 208 164.69 -> 214.95

Agari Summer Tournament 2025: 0% -> 100%
2025-07-12 234 -> 233 163.50 -> 164.69

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 333 2025-07-13 21/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
2 269 2025-06-15 50/68 100% 4.10 RR 13 bloody tiles Perm
3 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow
4 474 2025-05-17 11/20 100% 1.50 CRR HaTiKo Korolyov