Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

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

61 place (337.27).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

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 = 324.01495176678634

score = 350.52322455902925 * 0.5 + 324.01495176678634 * 0.5 = 337.2690881629078

Rating changes

Show

all results
Date Place Points Reason
2023-04-19 62 -> 61 334.35 -> 337.27
2023-03-28 59 -> 62 352.05 -> 334.35

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 61 -> 59 346.09 -> 352.05
2023-02-19 61 343.90 -> 346.09
2023-01-28 59 -> 61 359.76 -> 343.90

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 59 358.12 -> 359.76
2022-11-28 58 -> 59 372.51 -> 358.12

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 62 -> 58 272.22 -> 372.51

IX Russian Riichi Championship: 0% -> 100%
2022-10-14 62 272.22

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