Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

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

193 place (200.85).

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 + 40.54 * 3.40 * 1 + 0 + 0) / (3.85 * 0.43 + 3.25 * 0.71 + 3.40 * 1 + 1 + 1) = 246.91554310183392

p2 = (593.22 * 3.25 * 0.71 + 484.21 * 3.85 * 0.43 + 40.54 * 3.40 * 1) / max_coefficients = 154.78193979933113

score = 246.91554310183392 * 0.5 + 154.78193979933113 * 0.5 = 200.8487414505825

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 189 -> 193 200.85
2026-04-16 182 -> 189 218.23 -> 200.85

White Wolf Cup: 86% -> 71%
2026-04-11 176 -> 182 218.23
2026-04-09 177 -> 176 218.23
2026-04-05 172 -> 177 218.23
2026-03-30 168 -> 172 234.64 -> 218.23

Seihoku spring tournament 2024: 14% -> 0%
2026-03-26 169 -> 168 234.64
2026-03-12 174 -> 169 234.64
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%

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 71% 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 0% 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