Nizhurin Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 3, 2025 (latest changes Aug. 3, 2025).

251 place (142.68).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (28.04 * 4 * 0.14 + 806.45 * 1.80 * 0.71 + 0 + 0 + 0) / (4 * 0.14 + 1.80 * 0.71 + 1 + 1 + 1) = 216.76884879378423

p2 = (806.45 * 1.80 * 0.71 + 28.04 * 4 * 0.14) / max_coefficients = 68.59413680781759

score = 216.76884879378423 * 0.5 + 68.59413680781759 * 0.5 = 142.68149280080092

Rating changes

Show

all results
Date Place Points Reason
2025-08-03 245 -> 251 142.68
2025-07-26 243 -> 245 142.68
2025-07-19 238 -> 243 164.25 -> 142.68

"Green Dragon" in the Secret Chamber: 86% -> 71%
2025-07-13 235 -> 238 164.25
2025-07-12 235 163.48 -> 164.25
2025-07-03 238 -> 235 153.03 -> 163.48

SPB Riichi Open 2023: 29% -> 14%
2025-06-22 240 -> 238 153.03
2025-06-15 231 -> 240 154.23 -> 153.03
2025-06-14 224 -> 231 154.23
2025-06-11 230 -> 224 154.23

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 806 2024-05-19 7/32 71% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
2 28 2023-09-03 105/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg