Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 22, 2026 (latest changes Feb. 16, 2026).

126 place (386.68).

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 * 0.86 + 666.67 * 2 * 1 + 0) / (2.10 * 0.14 + 3.85 * 0.57 + 3.25 * 0.86 + 2 * 1 + 1) = 497.5840483829991

p2 = (593.22 * 3.25 * 0.86 + 666.67 * 2 * 1 + 484.21 * 3.85 * 0.57 + 239.13 * 2.10 * 0.14) / max_coefficients = 275.76989966555186

score = 497.5840483829991 * 0.5 + 275.76989966555186 * 0.5 = 386.67697402427547

Rating changes

Show

all results
Date Place Points Reason
2026-02-16 123 -> 126 398.43 -> 386.68

White Wolf Cup: 100% -> 86%
2026-02-09 125 -> 123 398.43
2026-02-08 121 -> 125 398.43
2026-02-04 123 -> 121 398.43
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%

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 86% 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