Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

41 place (429.83).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (603.60 * 4.05 * 0.57 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1) = 414.65658391747405

p2 = (420.56 * 4 * 1 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 603.60 * 4.05 * 0.57) / max_coefficients = 445.0032530761512

score = 414.65658391747405 * 0.5 + 445.0032530761512 * 0.5 = 429.82991849681264

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 38 -> 41 441.67 -> 429.83

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 39 -> 38 441.67
2023-11-06 39 441.67

IX Russian Riichi Championship: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 421 2023-09-03 63/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai Perm
3 427 2022-11-06 44/76 86% 4.20 RR IX Russian Riichi Championship Perm
4 604 2022-06-12 45/112 57% 4.05 RR Moscow Riichi 2022 Moscow
5 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg