Grishhenko Sergei

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 24, 2026 (latest changes May 23, 2026).

125 place (387.91).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (473.68 * 1.50 * 0.86 + 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 + 901.96 * 2.30 * 1 + 259.26 * 2.45 * 1) / (1.50 * 0.86 + 2 * 1 + 4.10 * 1 + 2.45 * 1 + 3.90 * 1 + 2.25 * 1 + 3.40 * 1 + 2.30 * 1 + 2.45 * 1) = 367.5931661256274

p2 = (901.96 * 2.30 * 1 + 894.74 * 2.25 * 1 + 268.66 * 4.10 * 1 + 256.76 * 3.40 * 1) / max_coefficients = 408.22424242424245

score = 367.5931661256274 * 0.5 + 408.22424242424245 * 0.5 = 387.90870427493496

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 122 -> 125 394.49 -> 387.91

Hatiko under the sakura: 0% -> 100%

HaTiKo: 100% -> 86%
2026-05-15 123 -> 122 394.49
2026-05-12 125 -> 123 394.49
2026-05-11 123 -> 125 394.49
2026-05-03 123 393.12 -> 394.49
2026-05-01 125 -> 123 393.12
2026-04-19 120 -> 125 393.12
2026-04-16 122 -> 120 393.12
2026-04-13 123 -> 122 393.12
2026-04-11 122 -> 123 393.12

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 259 2026-05-17 21/28 100% 2.45 RR Hatiko under the sakura Korolyov
2 902 2026-03-14 6/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
3 257 2026-02-23 56/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
4 895 2025-12-07 🥉 3/20 100% 2.25 RR Winter Hatiko Korolyov
5 158 2025-11-04 49/58 100% 3.90 RR XI Russian Championship Moscow
6 333 2025-07-13 21/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
7 269 2025-06-15 50/68 100% 4.10 RR 13 bloody tiles Perm
8 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow
9 474 2025-05-17 11/20 86% 1.50 CRR HaTiKo Korolyov