Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 30, 2024 (latest changes March 30, 2024).

76 place (364.79).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (282.05 * 1.80 * 0.43 + 354.84 * 1.80 * 0.86 + 239.13 * 2.10 * 1 + 700.93 * 4 * 1 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 2.10 * 1 + 4 * 1 + 1) = 432.4237911423733

p2 = (700.93 * 4 * 1 + 354.84 * 1.80 * 0.86 + 239.13 * 2.10 * 1 + 282.05 * 1.80 * 0.43) / max_coefficients = 297.1496350364963

score = 432.4237911423733 * 0.5 + 297.1496350364963 * 0.5 = 364.7867130894348

Rating changes

Show

Date Place Points Reason
2024-03-30 82 -> 76 344.87 -> 364.79

Seihoku spring tournament 2024: 0% -> 100%

2024-03-20 85 -> 82 344.87
2024-03-10 80 -> 85 351.35 -> 344.87
2024-03-06 82 -> 80 345.34 -> 351.35
2024-02-27 82 345.79 -> 345.34

Sun tournament: 57% -> 43%

2024-02-25 78 -> 82 348.11 -> 345.79

Earth cup: 100% -> 86%

2024-02-12 79 -> 78 348.11
2024-01-20 81 -> 79 348.11
2024-01-06 82 -> 81 342.36 -> 348.11
2024-01-05 83 -> 82 342.36

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 86% 1.80 CRR Earth cup
4 282 2022-08-27 29/40 43% 1.80 CRR Sun tournament