Tkachenko Maria

From Sarov, Russia

EMA: 15990422

Player page

Common russian riichi rating (CRR)

Rating date April 11, 2025 (latest changes April 11, 2025).

64 place (515.13).

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

p1 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1 + 325.84 * 3.75 * 1 + 741.94 * 3.10 * 1 + 0) / (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 1) = 507.9196319018406

p2 = (981.31 * 4.60 * 1 + 741.94 * 3.10 * 1 + 325.84 * 3.75 * 1 + 63.16 * 3.85 * 1) / max_coefficients = 522.3400630914826

score = 507.9196319018406 * 0.5 + 522.3400630914826 * 0.5 = 515.1298474966616

Rating changes

Show

all results
Date Place Points Reason
2025-04-11 65 -> 64 515.13
2025-03-30 66 -> 65 515.13
2025-03-26 67 -> 66 515.13
2025-03-05 69 -> 67 515.13
2025-03-03 71 -> 69 515.13
2025-03-02 66 -> 71 515.13
2025-02-16 57 -> 66 515.13
2025-02-02 56 -> 57 515.13
2025-01-07 94 -> 56 399.15 -> 515.13

Moscow Open Riichi Marathon: 0% -> 100%
2025-01-05 93 -> 94 399.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 742 2025-01-07 9/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
2 326 2024-10-13 61/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 63 2024-09-01 90/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 981 2024-05-12 🥉 3/108 100% 4.60 RR X Russian Championship Perm
5 144 2022-06-12 96/112 0% 4.05 RR Moscow Riichi 2022 Moscow
6 979 2021-12-19 🥈 2/48 0% 3.10 RR Agari team tournament Moscow
7 709 2021-11-06 17/56 0% 3.30 RR Kirov Tournament Kirov
8 0 2019-07-21 36/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
9 193 2019-05-04 68/84 0% 4.20 EMA Haru Shanten 2019 Perm