Nizhurin Sergei

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 20, 2025 (latest changes May 19, 2025).

230 place (154.23).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (28.04 * 4 * 0.29 + 806.45 * 1.80 * 0.86 + 0 + 0 + 0) / (4 * 0.29 + 1.80 * 0.86 + 1 + 1 + 1) = 224.46610548088321

p2 = (806.45 * 1.80 * 0.86 + 28.04 * 4 * 0.29) / max_coefficients = 84.00240642520797

score = 224.46610548088321 * 0.5 + 84.00240642520797 * 0.5 = 154.2342559530456

Rating changes

Show

all results
Date Place Points Reason
2025-05-19 223 -> 230 173.66 -> 154.23

"Green Dragon" in the Secret Chamber: 100% -> 86%
2025-05-17 220 -> 223 173.66
2025-05-12 220 171.63 -> 173.66
2025-05-03 220 162.41 -> 171.63

SPB Riichi Open 2023: 43% -> 29%
2025-04-27 214 -> 220 162.41
2025-04-26 213 -> 214 162.41
2025-04-22 218 -> 213 162.41
2025-04-13 216 -> 218 162.41
2025-03-29 213 -> 216 162.41
2025-03-23 203 -> 213 162.41

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 806 2024-05-19 7/32 86% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
2 28 2023-09-03 105/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg