Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date May 6, 2023 (latest changes May 6, 2023).

51 place (372.87).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

p1 = (253.33 * 3.45 * 0.57 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 387.5183797508127

p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.57) / max_coefficients = 358.21235320901764

score = 387.5183797508127 * 0.5 + 358.21235320901764 * 0.5 = 372.86536647991517

Rating changes

Show

all results
Date Place Points Reason
2023-05-06 52 -> 51 372.87
2023-04-19 54 -> 52 369.63 -> 372.87
2023-03-28 56 -> 54 368.38 -> 369.63

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 57 -> 56 362.14 -> 368.38
2023-03-06 60 -> 57 362.14
2023-02-19 60 359.86 -> 362.14
2023-01-28 61 -> 60 358.25 -> 359.86

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 61 356.62 -> 358.25
2022-11-28 62 -> 61 354.63 -> 356.62

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 61 -> 62 274.06 -> 354.63

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship
2 604 2022-06-12 45/112 100% 4.05 RR Moscow Riichi 2022
3 253 2021-11-28 57/76 57% 3.45 RR Saint Petersburg Open 2021