Timofeev Valentin
From Novosibirsk, Russia
EMA: 15020017
Common russian riichi rating (CRR)
Rating date Dec. 7, 2025 (latest changes Dec. 4, 2025).
237 place (162.37).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (1000 * 2.10 * 0.29 + 371.43 * 1.90 * 1 + 0 + 0 + 0) / (2.10 * 0.29 + 1.90 * 1 + 1 + 1 + 1) = 237.39765853268295
p2 = (371.43 * 1.90 * 1 + 1000 * 2.10 * 0.29) / max_coefficients = 87.33645484949834
score = 237.39765853268295 * 0.5 + 87.33645484949834 * 0.5 = 162.36705669109065
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-04 | 238 -> 237 | 162.37 | |
| 2025-11-30 | 223 -> 238 | 192.13 -> 162.37 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-25 | 224 -> 223 | 192.13 | |
| 2025-11-22 | 222 -> 224 | 192.13 | |
| 2025-11-19 | 223 -> 222 | 192.13 | |
| 2025-11-12 | 224 -> 223 | 192.13 | |
| 2025-11-04 | 216 -> 224 | 194.57 -> 192.13 | |
| 2025-11-01 | 216 | 194.38 -> 194.57 | |
| 2025-10-27 | 217 -> 216 | 194.38 | |
| 2025-10-13 | 216 -> 217 | 192.68 -> 194.38 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 371 |
|
23/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 1000 |
|
🥇 | 1/47 | 29% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 3 | 75 |
|
100/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 4 | 217 |
|
19/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 5 | 935 |
|
🥉 | 3/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg |
| 6 | 30 |
|
66/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 7 | 105 |
|
18/20 | 0% | 2.10 | EMA | Snow Dragon Tournament | Novosibirsk | |
| 8 | 587 |
|
27/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 9 | 819 |
|
16/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 10 | 11 |
|
91/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 11 | 684 |
|
7/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon | Novosibirsk | |
| 12 | 684 |
|
7/20 | 0% | 2.10 | CRR | Guard of the tenpai | Tyumen | |
| 13 | 226 |
|
25/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules | Novosibirsk | |
| 14 | 478 |
|
13/24 | 0% | 2.20 | EMA | Siberia Cup 2017 | Novosibirsk | |
| 15 | 486 |
|
19/36 | 0% | 2.50 | RR | Quick discard 2017 | Novosibirsk | |
| 16 | 67 |
|
15/16 | 0% | 1.60 | RR | "Legendary player" riichi mahjong tournament 2016 | Tyumen | |
| 17 | 935 |
|
🥉 | 3/32 | 0% | 2.40 | RR | Siberia Cup 2016 | Novosibirsk |
| 18 | 698 |
|
14/44 | 0% | 1.90 | RR | Eighth winter tournament | Novosibirsk | |
| 19 | 429 |
|
21/36 | 0% | 1.70 | RR | Seventh winter tournament | Novosibirsk | |
| 20 | 32 |
|
31/32 | 0% | 2.00 | RR | Riichi tournament 2013 | Novosibirsk |