Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

190 place (297.82).

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

p1 = (484.21 * 3.85 * 0.43 + 593.22 * 3.25 * 0.71 + 666.67 * 2 * 1 + 40.54 * 3.40 * 1 + 0) / (3.85 * 0.43 + 3.25 * 0.71 + 2 * 1 + 3.40 * 1 + 1) = 351.6646684185686

p2 = (593.22 * 3.25 * 0.71 + 666.67 * 2 * 1 + 484.21 * 3.85 * 0.43 + 40.54 * 3.40 * 1) / max_coefficients = 243.96789297658864

score = 351.6646684185686 * 0.5 + 243.96789297658864 * 0.5 = 297.81628069757863

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 180 -> 190 297.82
2026-04-16 170 -> 180 312.20 -> 297.82

White Wolf Cup: 86% -> 71%
2026-04-05 167 -> 170 312.20
2026-04-02 168 -> 167 312.20
2026-03-30 161 -> 168 328.24 -> 312.20

Seihoku spring tournament 2024: 14% -> 0%
2026-03-15 162 -> 161 328.24
2026-03-14 155 -> 162 328.24
2026-03-12 156 -> 155 328.24
2026-03-07 154 -> 156 328.24
2026-03-01 146 -> 154 339.46 -> 328.24

SPB Riichi Open 2024: 57% -> 43%

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 43% 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