Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date May 12, 2024 (latest changes May 12, 2024).

88 place (288.98).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (700.93 * 4 * 1 + 239.13 * 2.10 * 1 + 0 + 0 + 0) / (4 * 1 + 2.10 * 1 + 1 + 1 + 1) = 363.28681318681316

p2 = (700.93 * 4 * 1 + 239.13 * 2.10 * 1) / max_coefficients = 214.66948051948054

score = 363.28681318681316 * 0.5 + 214.66948051948054 * 0.5 = 288.9781468531469

Rating changes

Show

Date Place Points Reason
2024-05-12 66 -> 88 309.78 -> 288.98
2024-05-06 66 306.87 -> 309.78
2024-04-12 67 -> 66 306.87
2024-03-30 67 306.87

Seihoku spring tournament 2024: 0% -> 100%

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