Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date March 30, 2023 (latest changes March 30, 2023).

71 place (369.63).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

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 = 351.747377114685

score = 387.5183797508127 * 0.5 + 351.747377114685 * 0.5 = 369.63287843274884

Rating changes

Show

all results
Date Place Points Reason
2023-03-30 76 -> 71 369.63
2023-03-28 75 -> 76 368.38 -> 369.63

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 77 -> 75 362.14 -> 368.38
2023-03-06 81 -> 77 362.14
2023-02-28 84 -> 81 362.14
2023-02-19 85 -> 84 359.86 -> 362.14
2023-01-30 88 -> 85 359.86
2023-01-28 94 -> 88 358.25 -> 359.86

Saint Petersburg Open 2021: 86% -> 71%
2023-01-06 95 -> 94 358.25
2022-12-30 96 -> 95 358.25

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