Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

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Internal rating (RR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

89 place (253.40).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (671.64 * 3.50 * 0.29 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 0 + 0) / (3.50 * 0.29 + 3.75 * 1 + 4 * 1 + 1 + 1) = 283.65062163079824

p2 = (411.21 * 4 * 1 + 195.40 * 3.75 * 1 + 671.64 * 3.50 * 0.29) / max_coefficients = 223.1580965735484

score = 283.65062163079824 * 0.5 + 223.1580965735484 * 0.5 = 253.40435910217332

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 93 -> 89 253.40
2023-11-20 91 -> 93 274.32 -> 253.40

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 197 -> 91 175.25 -> 274.32
2020-02-01 197 175.25

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 411 2023-09-03 64/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 195 2023-06-11 71/88 100% 3.75 RR Money can not buy tenpai Perm
3 672 2022-03-20 23/68 29% 3.50 RR Tenpai can't buy happiness Perm
4 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg
5 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018 Perm
6 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
7 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg