Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 18, 2024 (latest changes Aug. 18, 2024).

107 place (345.54).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (282.05 * 1.80 * 0.14 + 354.84 * 1.80 * 0.57 + 700.93 * 4 * 1 + 239.13 * 2.10 * 1 + 0) / (1.80 * 0.14 + 1.80 * 0.57 + 4 * 1 + 2.10 * 1 + 1) = 446.40306043354553

p2 = (700.93 * 4 * 1 + 239.13 * 2.10 * 1 + 354.84 * 1.80 * 0.57 + 282.05 * 1.80 * 0.14) / max_coefficients = 244.66797385620913

score = 446.40306043354553 * 0.5 + 244.66797385620913 * 0.5 = 345.5355171448773

Rating changes

Show

Date Place Points Reason
2024-08-11 109 -> 107 344.24 -> 345.54
2024-08-04 104 -> 109 349.12 -> 344.24
2024-07-14 99 -> 104 349.12
2024-06-25 99 350.94 -> 349.12

Earth cup: 71% -> 57%

2024-06-11 101 -> 99 346.36 -> 350.94
2024-06-09 98 -> 101 346.36
2024-05-19 97 -> 98 346.36
2024-05-12 76 -> 97 362.10 -> 346.36
2024-04-27 76 362.55 -> 362.10

Sun tournament: 43% -> 29%

2024-04-25 76 364.79 -> 362.55

Earth cup: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 239 2024-03-30 36/47 100% 2.10 RR Seihoku spring tournament 2024
2 701 2023-09-03 33/108 100% 4.00 RR SPB Riichi Open 2023
3 355 2023-02-25 21/32 57% 1.80 CRR Earth cup
4 282 2022-08-27 29/40 14% 1.80 CRR Sun tournament