Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 21, 2026 (latest changes July 18, 2026).

242 place (240.45).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (484.21 * 3.85 * 0.14 + 593.22 * 3.25 * 0.57 + 666.67 * 2 * 0.86 + 40.54 * 3.40 * 1 + 0) / (3.85 * 0.14 + 3.25 * 0.57 + 2 * 0.86 + 3.40 * 1 + 1) = 310.8263122967254

p2 = (666.67 * 2 * 0.86 + 593.22 * 3.25 * 0.57 + 484.21 * 3.85 * 0.14 + 40.54 * 3.40 * 1) / max_coefficients = 170.06942932854594

score = 310.8263122967254 * 0.5 + 170.06942932854594 * 0.5 = 240.44787081263567

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 240 -> 242 240.45
2026-07-17 241 -> 240 240.45
2026-07-12 239 -> 241 240.45
2026-07-11 237 -> 239 240.45
2026-07-04 238 -> 237 240.45
2026-07-02 239 -> 238 240.45
2026-07-01 229 -> 239 254.25 -> 240.45

SPB Riichi Open 2024: 29% -> 14%
2026-06-16 221 -> 229 269.71 -> 254.25

White Wolf Cup: 71% -> 57%
2026-06-15 221 266.00 -> 269.71
2026-06-14 195 -> 221 285.96 -> 266.00

Tonpu-master: 100% -> 86%

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 86% 2.00 CRR Tonpu-master Saint Petersburg
3 593 2025-02-16 25/60 57% 3.25 RR White Wolf Cup Saint Petersburg
4 484 2024-09-01 50/96 14% 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