Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

82 place (258.34).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

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 = 233.02090457867968

score = 283.65062163079824 * 0.5 + 233.02090457867968 * 0.5 = 258.33576310473893

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 87 -> 82 258.34
2023-12-12 90 -> 87 253.40 -> 258.34
2023-11-28 94 -> 90 253.40
2023-11-20 92 -> 94 274.32 -> 253.40

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 97 -> 92 269.11 -> 274.32
2023-10-12 99 -> 97 264.48 -> 269.11
2023-09-28 101 -> 99 264.48
2023-09-20 96 -> 101 283.68 -> 264.48

Tenpai can't buy happiness: 57% -> 43%
2023-09-06 95 -> 96 283.68
2023-09-03 99 -> 95 199.45 -> 283.68

SPB Riichi Open 2023: 0% -> 100%

Tournaments

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