Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date March 2, 2026 (latest changes March 2, 2026).

174 place (234.64).

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

p1 = (239.13 * 2.10 * 0.14 + 484.21 * 3.85 * 0.43 + 593.22 * 3.25 * 0.86 + 40.54 * 3.40 * 1 + 0) / (2.10 * 0.14 + 3.85 * 0.43 + 3.25 * 0.86 + 3.40 * 1 + 1) = 291.279064994486

p2 = (593.22 * 3.25 * 0.86 + 484.21 * 3.85 * 0.43 + 40.54 * 3.40 * 1 + 239.13 * 2.10 * 0.14) / max_coefficients = 177.99732441471576

score = 291.279064994486 * 0.5 + 177.99732441471576 * 0.5 = 234.6381947046009

Rating changes

Show

all results
Date Place Points Reason
2026-03-01 170 -> 174 249.02 -> 234.64

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 147 -> 170 284.73 -> 249.02

White Wolf Cup 2026: 0% -> 100%
2026-02-16 143 -> 147 300.24 -> 284.73

White Wolf Cup: 100% -> 86%
2026-02-13 144 -> 143 300.24
2026-02-09 146 -> 144 300.24
2026-02-08 140 -> 146 300.24
2026-02-04 142 -> 140 300.24
2026-02-02 143 -> 142 300.24
2026-01-30 143 299.73 -> 300.24

Seihoku spring tournament 2024: 29% -> 14%
2026-01-25 142 -> 143 299.73

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
2 593 2025-02-16 25/60 86% 3.25 RR White Wolf Cup Saint Petersburg
3 484 2024-09-01 50/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 239 2024-03-30 36/47 14% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 701 2023-09-03 33/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg