Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

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

73 place (327.71).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 350.52322455902925

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1) / max_coefficients = 304.9043228219519

score = 350.52322455902925 * 0.5 + 304.9043228219519 * 0.5 = 327.7137736904906

Rating changes

Show

all results
Date Place Points Reason
2023-04-19 74 -> 73 327.71
2023-03-28 69 -> 74 348.00 -> 327.71

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 69 342.32 -> 348.00
2023-03-06 70 -> 69 342.32
2023-02-25 68 -> 70 342.32
2023-01-28 65 -> 68 359.76 -> 342.32

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 64 -> 65 359.76
2023-01-03 65 -> 64 359.76
2022-12-19 65 358.12 -> 359.76
2022-12-18 63 -> 65 358.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 493 2022-11-06 39/76 100% 4.20 RR IX Russian Riichi Championship
2 189 2022-06-12 91/112 100% 4.05 RR Moscow Riichi 2022
3 733 2021-11-28 21/76 57% 3.45 RR Saint Petersburg Open 2021