Grishhenko Sergei

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 14, 2026 (latest changes March 14, 2026).

160 place (320.47).

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

p1 = (473.68 * 1.50 * 1 + 66.67 * 2 * 1 + 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) / (1.50 * 1 + 2 * 1 + 4.10 * 1 + 2.45 * 1 + 3.90 * 1 + 2.25 * 1 + 3.40 * 1) = 319.5887755102041

p2 = (894.74 * 2.25 * 1 + 268.66 * 4.10 * 1 + 256.76 * 3.40 * 1 + 333.33 * 2.45 * 1) / max_coefficients = 321.3571906354515

score = 319.5887755102041 * 0.5 + 321.3571906354515 * 0.5 = 320.4729830728278

Rating changes

Show

all results
Date Place Points Reason
2026-03-14 161 -> 160 320.47
2026-03-12 162 -> 161 320.47
2026-03-07 160 -> 162 320.47
2026-03-01 163 -> 160 320.47
2026-02-23 159 -> 163 321.63 -> 320.47

White Wolf Cup 2026: 0% -> 100%
2026-02-09 160 -> 159 321.63
2026-02-08 156 -> 160 321.63
2026-02-04 157 -> 156 321.63
2026-01-12 159 -> 157 321.63
2026-01-07 154 -> 159 321.63

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 257 2026-02-23 56/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 895 2025-12-07 🥉 3/20 100% 2.25 RR Winter Hatiko Korolyov
3 158 2025-11-04 49/58 100% 3.90 RR XI Russian Championship Moscow
4 333 2025-07-13 21/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
5 269 2025-06-15 50/68 100% 4.10 RR 13 bloody tiles Perm
6 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow
7 474 2025-05-17 11/20 100% 1.50 CRR HaTiKo Korolyov