Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

292 place (185.67).

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

p1 = (593.22 * 3.25 * 0.29 + 666.67 * 2 * 0.57 + 40.54 * 3.40 * 1 + 258.06 * 1.80 * 1 + 142.86 * 1.90 * 1) / (3.25 * 0.29 + 2 * 0.57 + 3.40 * 1 + 1.80 * 1 + 1.90 * 1) = 238.4039383622323

p2 = (666.67 * 2 * 0.57 + 593.22 * 3.25 * 0.29 + 258.06 * 1.80 * 1 + 142.86 * 1.90 * 1) / max_coefficients = 132.9422452952628

score = 238.4039383622323 * 0.5 + 132.9422452952628 * 0.5 = 185.67309182874754

Rating changes

Show

all results
Date Place Points Reason
2026-11-01 287 -> 292 185.67
2026-10-31 290 -> 287 177.90 -> 185.67

Seihoku autumn tournament 2026: 0% -> 100%
2026-10-24 288 -> 290 177.90
2026-10-17 287 -> 288 177.90
2026-10-16 279 -> 287 196.45 -> 177.90

White Wolf Cup: 43% -> 29%
2026-10-14 272 -> 279 209.22 -> 196.45

Tonpu-master: 71% -> 57%
2026-10-13 274 -> 272 209.22
2026-10-10 272 -> 274 209.22
2026-10-03 273 -> 272 209.22
2026-10-02 275 -> 273 209.22

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 143 2026-10-31 31/36 100% 1.90 RR Seihoku autumn tournament 2026 Saint Petersburg
2 258 2026-07-25 24/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
3 41 2026-02-23 72/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
4 667 2025-06-14 7/19 57% 2.00 CRR Tonpu-master Saint Petersburg
5 593 2025-02-16 25/60 29% 3.25 RR White Wolf Cup Saint Petersburg
6 484 2024-09-01 50/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 239 2024-03-30 36/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
8 701 2023-09-03 33/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 355 2023-02-25 21/32 0% 1.80 CRR Earth cup Saint Petersburg
10 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament Saint Petersburg