Kondrateva Anna

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).

102 place (418.47).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (789.47 * 3.85 * 1 + 559.32 * 3.25 * 1 + 259.74 * 3.45 * 1 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 3.45 * 1 + 1 + 1) = 458.43585657370517

p2 = (789.47 * 3.85 * 1 + 559.32 * 3.25 * 1 + 259.74 * 3.45 * 1) / max_coefficients = 378.5111842105263

score = 458.43585657370517 * 0.5 + 378.5111842105263 * 0.5 = 418.47352039211574

Rating changes

Show

all results
Date Place Points Reason
2025-08-31 100 -> 102 400.24 -> 418.47

SPB Riichi Open 2025: 0% -> 100%
2025-08-09 99 -> 100 400.24
2025-08-04 101 -> 99 398.68 -> 400.24
2025-08-03 100 -> 101 398.68
2025-07-30 101 -> 100 398.68
2025-07-14 102 -> 101 398.68
2025-07-13 100 -> 102 398.68
2025-07-12 102 -> 100 395.72 -> 398.68
2025-06-15 97 -> 102 400.31 -> 395.72
2025-06-11 99 -> 97 400.31

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 260 2025-08-31 58/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 559 2025-02-16 27/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 789 2024-09-01 21/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg