Ryzhkin Daniil

From Yekaterinburg, Russia

EMA: 15990435

Player page

Internal rating (RR)

Rating date Sept. 12, 2025 (latest changes Sept. 12, 2025).

67 place (509.75).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (682.24 * 4.60 * 0.57 + 787.23 * 2.80 * 0.86 + 63.29 * 3.65 * 0.86 + 64.52 * 2.40 * 1 + 865.67 * 4.10 * 1) / (4.60 * 0.57 + 2.80 * 0.86 + 3.65 * 0.86 + 2.40 * 1 + 4.10 * 1) = 517.4815537021035

p2 = (865.67 * 4.10 * 1 + 787.23 * 2.80 * 0.86 + 682.24 * 4.60 * 0.57 + 63.29 * 3.65 * 0.86) / max_coefficients = 502.0101351351351

score = 517.4815537021035 * 0.5 + 502.0101351351351 * 0.5 = 509.7458444186193

Rating changes

Show

all results
Date Place Points Reason
2025-09-12 62 -> 67 528.43 -> 509.75

X Russian Championship: 71% -> 57%
2025-09-10 63 -> 62 528.43
2025-09-03 64 -> 63 528.43
2025-09-01 67 -> 64 521.43 -> 528.43
2025-08-31 61 -> 67 521.43
2025-08-09 62 -> 61 521.43
2025-08-04 64 -> 62 512.38 -> 521.43

Riichi over Volga: 100% -> 86%
2025-08-03 65 -> 64 512.38
2025-07-14 58 -> 65 526.06 -> 512.38

Guardian of the Winds: 100% -> 86%
2025-07-12 56 -> 58 538.60 -> 526.06

X Russian Championship: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 866 2025-06-15 10/68 100% 4.10 RR 13 bloody tiles Perm
2 65 2025-03-02 30/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 63 2024-08-04 75/80 86% 3.65 RR Riichi over Volga Samara
4 787 2024-07-14 11/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
5 682 2024-05-12 35/108 57% 4.60 RR X Russian Championship Perm
6 425 2023-06-11 51/88 0% 3.75 RR Money can not buy tenpai Perm
7 397 2019-11-04 39/64 0% 3.85 EMA Aki Shanten 2019 Perm
8 87 2019-06-16 22/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg