Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

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

60 place (362.14).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335

p1 = (253.33 * 3.45 * 0.71 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 382.3157090009033

p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.71) / max_coefficients = 341.9709750755136

score = 382.3157090009033 * 0.5 + 341.9709750755136 * 0.5 = 362.14334203820846

Rating changes

Show

all results
Date Place Points Reason
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%
2022-06-12 61 274.06

Moscow Riichi 2022: 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 71% 3.45 RR Saint Petersburg Open 2021