Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 31, 2026 (latest changes Jan. 30, 2026).

123 place (398.43).

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 * 0.57 + 593.22 * 3.25 * 1 + 666.67 * 2 * 1 + 0) / (2.10 * 0.14 + 3.85 * 0.57 + 3.25 * 1 + 2 * 1 + 1) = 502.6605775098915

p2 = (593.22 * 3.25 * 1 + 666.67 * 2 * 1 + 484.21 * 3.85 * 0.57 + 239.13 * 2.10 * 0.14) / max_coefficients = 294.1986622073579

score = 502.6605775098915 * 0.5 + 294.1986622073579 * 0.5 = 398.42961985862473

Rating changes

Show

all results
Date Place Points Reason
2026-01-30 123 396.46 -> 398.43

Seihoku spring tournament 2024: 29% -> 14%
2026-01-25 120 -> 123 396.46
2026-01-12 122 -> 120 396.46
2026-01-07 118 -> 122 396.46
2026-01-03 116 -> 118 396.46
2026-01-01 115 -> 116 405.09 -> 396.46

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 114 -> 115 405.09
2025-12-09 115 -> 114 405.09
2025-12-07 112 -> 115 405.09
2025-11-30 112 403.64 -> 405.09

Seihoku spring tournament 2024: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 667 2025-06-14 7/19 100% 2.00 CRR Tonpu-master Saint Petersburg
2 593 2025-02-16 25/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 484 2024-09-01 50/96 57% 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
6 355 2023-02-25 21/32 0% 1.80 CRR Earth cup Saint Petersburg
7 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament Saint Petersburg