Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 1, 2024 (latest changes Nov. 1, 2024).

106 place (383.52).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (354.84 * 1.80 * 0.29 + 700.93 * 4 * 0.86 + 239.13 * 2.10 * 1 + 484.21 * 3.85 * 1 + 0) / (1.80 * 0.29 + 4 * 0.86 + 2.10 * 1 + 3.85 * 1 + 1) = 454.6125556108426

p2 = (700.93 * 4 * 0.86 + 484.21 * 3.85 * 1 + 239.13 * 2.10 * 1 + 354.84 * 1.80 * 0.29) / max_coefficients = 312.42523659305994

score = 454.6125556108426 * 0.5 + 312.42523659305994 * 0.5 = 383.51889610195127

Rating changes

Show

Date Place Points Reason
2024-10-25 106 385.25 -> 383.52

Earth cup: 43% -> 29%

2024-10-22 107 -> 106 385.25
2024-10-18 108 -> 107 385.25
2024-10-13 97 -> 108 388.54 -> 385.25
2024-10-11 99 -> 97 388.54
2024-09-15 97 -> 99 388.54
2024-09-06 98 -> 97 388.54
2024-09-03 95 -> 98 401.28 -> 388.54

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 112 -> 95 318.73 -> 401.28

SPB Riichi Open 2024: 0% -> 100%

2024-08-27 113 -> 112 318.73

Sun tournament: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 484 2024-09-01 50/96 100% 3.85 RR SPB Riichi Open 2024
2 239 2024-03-30 36/47 100% 2.10 RR Seihoku spring tournament 2024
3 701 2023-09-03 33/108 86% 4.00 RR SPB Riichi Open 2023
4 355 2023-02-25 21/32 29% 1.80 CRR Earth cup
5 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament