Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

223 place (144.79).

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 + 40.54 * 3.40 * 1 + 0 + 0) / (3.85 * 0.14 + 3.25 * 0.57 + 3.40 * 1 + 1 + 1) = 192.88312157408242

p2 = (593.22 * 3.25 * 0.57 + 484.21 * 3.85 * 0.14 + 40.54 * 3.40 * 1) / max_coefficients = 96.69123949939997

score = 192.88312157408242 * 0.5 + 96.69123949939997 * 0.5 = 144.7871805367412

Rating changes

Show

all results
Date Place Points Reason
2026-07-03 224 -> 223 144.79
2026-07-01 220 -> 224 162.92 -> 144.79

SPB Riichi Open 2024: 29% -> 14%
2026-06-16 211 -> 220 181.79 -> 162.92

White Wolf Cup: 71% -> 57%
2026-06-15 213 -> 211 179.41 -> 181.79
2026-06-14 191 -> 213 185.00 -> 179.41
2026-06-13 192 -> 191 185.00
2026-06-09 194 -> 192 185.00
2026-05-26 195 -> 194 185.00
2026-05-17 194 -> 195 185.00
2026-05-14 195 -> 194 185.00

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 57% 3.25 RR White Wolf Cup Saint Petersburg
3 484 2024-09-01 50/96 14% 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