Demurchev Mikhail

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

47 place (537.95).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (261.68 * 4.60 * 1 + 278.48 * 3.65 * 1 + 980.39 * 3.05 * 1 + 470.59 * 3.05 * 1 + 757.89 * 3.85 * 1) / (4.60 * 1 + 3.65 * 1 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 525.4714285714285

p2 = (980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 470.59 * 3.05 * 1 + 261.68 * 4.60 * 1) / max_coefficients = 550.4185878776951

score = 525.4714285714285 * 0.5 + 550.4185878776951 * 0.5 = 537.9450082245619

Rating changes

Show

Date Place Points Reason
2024-09-03 52 -> 47 528.17 -> 537.95
2024-09-01 63 -> 52 433.65 -> 528.17

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 65 -> 63 431.35 -> 433.65
2024-08-04 61 -> 65 410.98 -> 431.35

Riichi over Volga: 0% -> 100%

2024-07-14 55 -> 61 410.98
2024-07-06 56 -> 55 410.98
2024-06-11 61 -> 56 404.39 -> 410.98
2024-06-09 106 -> 61 209.58 -> 404.39

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 106 209.58

X Russian Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 758 2024-09-01 24/96 100% 3.85 RR SPB Riichi Open 2024
2 278 2024-08-04 58/80 100% 3.65 RR Riichi over Volga
3 980 2024-06-09 2/52 100% 3.05 RR Agari Summer Tournament 2024
4 262 2024-05-12 80/108 100% 4.60 RR X Russian Championship
5 471 2024-03-10 28/52 100% 3.05 RR Agari Spring Tournament 2024