Ryabov Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date May 6, 2024 (latest changes May 6, 2024).

25 place (505.43).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9

p1 = (594.59 * 4.05 * 0.14 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 352.94 * 3.05 * 1 + 0) / (4.05 * 0.14 + 3.75 * 1 + 4 * 1 + 3.05 * 1 + 1) = 515.8535861268651

p2 = (831.78 * 4 * 1 + 436.78 * 3.75 * 1 + 352.94 * 3.05 * 1 + 594.59 * 4.05 * 0.14) / max_coefficients = 495.00930232558136

score = 515.8535861268651 * 0.5 + 495.00930232558136 * 0.5 = 505.4314442262232

Rating changes

Show

Date Place Points Reason
2024-05-06 28 -> 25 499.81 -> 505.43
2024-04-12 23 -> 28 514.59 -> 499.81

Moscow Riichi 2022: 29% -> 14%

2024-03-30 19 -> 23 514.59
2024-03-20 23 -> 19 514.59
2024-03-10 22 -> 23 509.12 -> 514.59

Agari Spring Tournament 2024: 0% -> 100%

2024-03-06 26 -> 22 496.52 -> 509.12
2024-02-12 25 -> 26 501.22 -> 496.52

Moscow Riichi 2022: 43% -> 29%

2024-01-20 24 -> 25 501.22
2024-01-06 27 -> 24 490.22 -> 501.22
2023-12-19 28 -> 27 490.22

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 353 2024-03-10 34/52 100% 3.05 RR Agari Spring Tournament 2024
2 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
3 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
4 595 2022-06-12 46/112 14% 4.05 RR Moscow Riichi 2022