Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

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

39 place (441.67).

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

p1 = (253.33 * 3.45 * 0.14 + 603.60 * 4.05 * 0.57 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1) / (3.45 * 0.14 + 4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1) = 438.3281904104649

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 = 438.3281904104649 * 0.5 + 445.0032530761512 * 0.5 = 441.66572174330804

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 42 -> 39 441.04 -> 441.67

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 42 447.28 -> 441.04

Moscow Riichi 2022: 71% -> 57%
2023-09-28 44 -> 42 444.31 -> 447.28

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 45 -> 44 444.31
2023-09-06 44 -> 45 444.31
2023-09-03 47 -> 44 409.28 -> 444.31

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 48 -> 47 409.28
2023-08-12 47 -> 48 417.66 -> 409.28

Moscow Riichi 2022: 86% -> 71%
2023-07-28 47 419.39 -> 417.66

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 48 -> 47 411.73 -> 419.39

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 421 2023-09-03 63/108 100% 4.00 RR SPB Riichi Open 2023
2 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai
3 427 2022-11-06 44/76 86% 4.20 RR IX Russian Riichi Championship
4 604 2022-06-12 45/112 57% 4.05 RR Moscow Riichi 2022
5 253 2021-11-28 57/76 14% 3.45 RR Saint Petersburg Open 2021