Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

196 place (285.96).

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

p1 = (484.21 * 3.85 * 0.29 + 593.22 * 3.25 * 0.71 + 666.67 * 2 * 1 + 40.54 * 3.40 * 1 + 0) / (3.85 * 0.29 + 3.25 * 0.71 + 2 * 1 + 3.40 * 1 + 1) = 344.23942769986417

p2 = (593.22 * 3.25 * 0.71 + 666.67 * 2 * 1 + 484.21 * 3.85 * 0.29 + 40.54 * 3.40 * 1) / max_coefficients = 227.67138047138047

score = 344.23942769986417 * 0.5 + 227.67138047138047 * 0.5 = 285.9554040856223

Rating changes

Show

all results
Date Place Points Reason
2026-05-19 198 -> 196 285.96
2026-05-17 195 -> 198 285.96
2026-05-12 202 -> 195 285.96
2026-05-11 199 -> 202 285.96
2026-05-03 198 -> 199 285.19 -> 285.96
2026-05-01 188 -> 198 297.82 -> 285.19

SPB Riichi Open 2024: 43% -> 29%
2026-04-26 189 -> 188 297.82
2026-04-19 179 -> 189 297.82
2026-04-16 169 -> 179 312.20 -> 297.82

White Wolf Cup: 86% -> 71%
2026-04-05 166 -> 169 312.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 41 2026-02-23 72/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 667 2025-06-14 7/19 100% 2.00 CRR Tonpu-master Saint Petersburg
3 593 2025-02-16 25/60 71% 3.25 RR White Wolf Cup Saint Petersburg
4 484 2024-09-01 50/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 239 2024-03-30 36/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
6 701 2023-09-03 33/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 355 2023-02-25 21/32 0% 1.80 CRR Earth cup Saint Petersburg
8 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament Saint Petersburg