Grebnev Grigorii

From Saint Petersburg, Russia

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Common russian riichi rating (CRR)

Rating date Feb. 26, 2025 (latest changes Feb. 26, 2025).

94 place (422.14).

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

p1 = (700.93 * 4 * 0.57 + 239.13 * 2.10 * 1 + 484.21 * 3.85 * 1 + 593.22 * 3.25 * 1 + 0) / (4 * 0.57 + 2.10 * 1 + 3.85 * 1 + 3.25 * 1 + 1) = 472.25683987954125

p2 = (593.22 * 3.25 * 1 + 484.21 * 3.85 * 1 + 700.93 * 4 * 0.57 + 239.13 * 2.10 * 1) / max_coefficients = 372.0132492113565

score = 472.25683987954125 * 0.5 + 372.0132492113565 * 0.5 = 422.13504454544886

Rating changes

Show

all results
Date Place Points Reason
2025-02-25 87 -> 94 440.96 -> 422.14

Earth cup: 14% -> 0%
2025-02-16 123 -> 87 341.90 -> 440.96

White Wolf Cup: 0% -> 100%
2025-02-11 122 -> 123 341.90
2025-02-02 118 -> 122 341.90
2025-01-26 116 -> 118 341.90
2025-01-07 114 -> 116 341.90
2025-01-05 115 -> 114 341.90
2025-01-04 114 -> 115 341.90
2025-01-03 108 -> 114 362.30 -> 341.90

SPB Riichi Open 2023: 71% -> 57%
2024-12-25 108 364.07 -> 362.30

Earth cup: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 593 2025-02-16 25/60 100% 3.25 RR White Wolf Cup
2 484 2024-09-01 50/96 100% 3.85 RR SPB Riichi Open 2024
3 239 2024-03-30 36/47 100% 2.10 RR Seihoku spring tournament 2024
4 701 2023-09-03 33/108 57% 4.00 RR SPB Riichi Open 2023
5 355 2023-02-25 21/32 0% 1.80 CRR Earth cup
6 282 2022-08-27 29/40 0% 1.80 CRR Sun tournament