Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

252 place (235.86).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (484.21 * 3.85 * 0.14 + 593.22 * 3.25 * 0.43 + 666.67 * 2 * 0.71 + 40.54 * 3.40 * 1 + 258.06 * 1.80 * 1) / (3.85 * 0.14 + 3.25 * 0.43 + 2 * 0.71 + 3.40 * 1 + 1.80 * 1) = 308.8635121443025

p2 = (666.67 * 2 * 0.71 + 593.22 * 3.25 * 0.43 + 258.06 * 1.80 * 1 + 484.21 * 3.85 * 0.14) / max_coefficients = 162.85853341985725

score = 308.8635121443025 * 0.5 + 162.85853341985725 * 0.5 = 235.86102278207989

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 252 235.60 -> 235.86
2026-08-30 249 -> 252 235.60
2026-08-16 238 -> 249 251.80 -> 235.60

White Wolf Cup: 57% -> 43%
2026-08-15 239 -> 238 251.14 -> 251.80
2026-08-14 228 -> 239 262.51 -> 251.14

Tonpu-master: 86% -> 71%
2026-08-13 231 -> 228 262.51
2026-08-04 232 -> 231 262.51
2026-08-03 233 -> 232 262.51
2026-08-02 229 -> 233 262.51
2026-07-26 230 -> 229 262.51

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 258 2026-07-25 24/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 41 2026-02-23 72/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 667 2025-06-14 7/19 71% 2.00 CRR Tonpu-master Saint Petersburg
4 593 2025-02-16 25/60 43% 3.25 RR White Wolf Cup Saint Petersburg
5 484 2024-09-01 50/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 239 2024-03-30 36/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
7 701 2023-09-03 33/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 355 2023-02-25 21/32 0% 1.80 CRR Earth cup Saint Petersburg
9 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament Saint Petersburg