Kondrateva Anna

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).

105 place (384.12).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3

p1 = (789.47 * 3.85 * 0.71 + 559.32 * 3.25 * 1 + 259.74 * 3.45 * 1 + 0 + 0) / (3.85 * 0.71 + 3.25 * 1 + 3.45 * 1 + 1 + 1) = 426.635505244298

p2 = (789.47 * 3.85 * 0.71 + 559.32 * 3.25 * 1 + 259.74 * 3.45 * 1) / max_coefficients = 341.60839160839157

score = 426.635505244298 * 0.5 + 341.60839160839157 * 0.5 = 384.1219484263448

Rating changes

Show

all results
Date Place Points Reason
2025-11-01 102 -> 105 406.96 -> 384.12

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 102 401.33 -> 406.96
2025-10-09 103 -> 102 401.33
2025-09-10 104 -> 103 401.33
2025-09-03 105 -> 104 401.33
2025-09-01 102 -> 105 418.47 -> 401.33

SPB Riichi Open 2024: 100% -> 86%
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

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 71% 3.85 RR SPB Riichi Open 2024 Saint Petersburg