Nemchinova Alena

From Samara, Russia

Player page

Internal rating (RR)

Rating date Dec. 22, 2024 (latest changes Dec. 11, 2024).

44 place (539.93).

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

p1 = (710.28 * 4 * 0.71 + 420.56 * 4.60 * 1 + 893.62 * 2.80 * 1 + 405.06 * 3.65 * 1 + 494.38 * 3.75 * 1) / (4 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1) = 554.931132908955

p2 = (893.62 * 2.80 * 1 + 710.28 * 4 * 0.71 + 420.56 * 4.60 * 1 + 494.38 * 3.75 * 1) / max_coefficients = 524.9242902208201

score = 554.931132908955 * 0.5 + 524.9242902208201 * 0.5 = 539.9277115648875

Rating changes

Show

Date Place Points Reason
2024-11-06 46 -> 44 539.93
2024-11-03 43 -> 46 555.16 -> 539.93

SPB Riichi Open 2023: 86% -> 71%

2024-10-13 43 538.61 -> 555.16

Moscow Riichi 2024: 0% -> 100%

2024-10-11 45 -> 43 538.61
2024-09-06 46 -> 45 538.61
2024-09-03 42 -> 46 544.72 -> 538.61

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 35 -> 42 558.94 -> 544.72
2024-08-11 39 -> 35 555.90 -> 558.94
2024-08-04 40 -> 39 516.37 -> 555.90

Riichi over Volga: 0% -> 100%

2024-07-14 70 -> 40 366.49 -> 516.37

Guardian of the Winds: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 494 2024-10-13 46/90 100% 3.75 RR Moscow Riichi 2024
2 405 2024-08-04 48/80 100% 3.65 RR Riichi over Volga
3 894 2024-07-14 6/48 100% 2.80 RR Guardian of the Winds
4 421 2024-05-12 63/108 100% 4.60 RR X Russian Championship
5 710 2023-09-03 32/108 71% 4.00 RR SPB Riichi Open 2023