Ratnikova Anna

From Samara, Russia

EMA: 15990370

Player page

Online rating

Rating date Jan. 7, 2023 (latest changes Jan. 7, 2023).

49 place (492.48).

max_coefficients = (2.80 * 1 + 3.25 * 0.86 + 2.30 * 1) = 7.885574999999999

p1 = (650.49 * 3.45 * 0.43 + 372.09 * 2.50 * 0.57 + 518.52 * 2.10 * 0.71 + 103.45 * 3.25 * 0.86 + 800 * 2.80 * 1) / (3.45 * 0.43 + 2.50 * 0.57 + 2.10 * 0.71 + 3.25 * 0.86 + 2.80 * 1) = 480.28000230166305

p2 = (800 * 2.80 * 1 + 650.49 * 3.45 * 0.43 + 518.52 * 2.10 * 0.71) / max_coefficients = 504.6734068219502

score = 480.28000230166305 * 0.5 + 504.6734068219502 * 0.5 = 492.4767045618066

Rating changes

Show

Date Place Points Reason
2022-12-20 51 -> 49 492.48
2022-12-13 52 -> 51 492.48
2022-12-12 52 483.23 -> 492.48
2022-11-25 55 -> 52 481.36 -> 483.23

Summer Online Tournament: 71% -> 57%

2022-11-21 57 -> 55 481.36
2022-11-16 53 -> 57 504.89 -> 481.36

Riichi Online Open Team Cup: 57% -> 43%

2022-11-14 55 -> 53 482.96 -> 504.89

Winter Team Fight: 100% -> 86%

2022-11-12 54 -> 55 492.59 -> 482.96

Autumn Online Tournament: 86% -> 71%

2022-11-01 56 -> 54 494.92 -> 492.59

Riichi Online Open Team Cup: 14% -> 0%

2022-10-17 57 -> 56 494.92

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 800 2022-06-26 12/56 100% 2.80 ONLINE Summer Online Tournament
2 103 2021-11-14 79/88 86% 3.25 ONLINE Winter Team Fight
3 519 2021-09-12 14/28 71% 2.10 ONLINE Autumn Online Tournament
4 372 2021-07-25 28/44 57% 2.50 ONLINE Summer Online Tournament
5 650 2021-05-16 37/104 43% 3.45 ONLINE Riichi Online Open Team Cup
6 586 2020-11-01 42/100 0% 3.40 ONLINE Riichi Online Open Team Cup
7 655 2020-09-13 20/56 0% 2.80 ONLINE Autumn Online Tournament
8 465 2020-06-14 39/72 0% 3.05 ONLINE Summer Tournament
9 711 2020-05-24 40/136 0% 3.69 ONLINE Riichi Online Open Team Cup
10 636 2020-02-16 53/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020