Kasahara Reiko, Japan - Renju Rating

JPN Kasahara Reiko (笠原礼子)

Place: Tokyo, Japan

Rating: 1800.88, Std: 86.29, Rank: 1076

First game: 2020-08-10, Last game: 2026-04-05

Top rating: 1834.66 (2024-09-22)

Games: 108, Wins: 21, Draws: 2, Losses: 85

Gy1: 31, Gy2: 47, Gy5: 88

43rd Kanto Championship
Date 2026-04-05 Rating 1800.88
Round Color Result Opponent
4 Black Draw JPN Suzuki Tetsuji 1800.30
5 White Loss JPN Suzuki Yoshitaka 2037.04
6 White Loss JPN Tamura Kazumasa 2338.76
43rd Shinei Tournament
Date 2026-03-29 Rating 1801.07
Round Color Result Opponent
1 White Loss JPN Yamamoto Ousuke 2154.31
2 Black Win JPN Arima Daiki 1424.45
3 Black Loss JPN Terabaru Wataru 1880.04
4 White Win JPN Yoshikawa Takayuki 1805.24
5 White Loss JPN Miyoshi Daisuke 1713.42
20th All Japan Championship
Date 2026-02-23 Rating 1803.97
Round Color Result Opponent
1 Black Loss JPN Fujita Maiko 2486.64
2 Black Loss JPN Miyamoto Syunju 2342.32
3 Black Loss JPN Yoshikawa Tomoki 2508.67
29th New Year (Mikami) Cup
Date 2026-01-11 Rating 1808.02
Round Color Result Opponent
A1 Black Loss JPN Iwano Fumio 2158.85
A2 White Loss JPN Kishimoto Shogo 2222.02
A3 White Loss JPN Ro Hayou 1907.84
A4 Black Win JPN Sakai Yuuki 1811.76
A5 Black Win JPN Ito Midori 1869.91
1 1dan 2dan Tournament
Date 2025-11-30 Rating 1809.49
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Takayuki 1813.42
2 Black Loss JPN Hayashi Kohei 2098.86
3 Black Win JPN Suzuki Mika 1693.07
65 Suiseisen Tournament final round
Date 2025-09-28 Rating 1813.90
Round Color Result Opponent
1 Black Loss JPN Iwano Fumio 2160.15
2 White Loss JPN Kishimoto Shogo 2221.77
3 White Loss JPN Nishizawa Aoi 2180.06
4 Black Loss JPN Yoshikawa Tomoki 2446.56
5 White Loss JPN Suenaga Daiki 2156.52
65 Suiseisen Tournament 1st round
Date 2025-09-15 Rating 1815.48
Round Color Result Opponent
1 Black Loss JPN Kishimoto Shogo 2220.24
2 White Win JPN Komatsu Subaru 1860.61
3 Black Win JPN Miyoshi Daisuke 1708.76
4 Black Loss JPN Suenaga Daiki 2155.52
42nd Kanto Championship
Date 2025-06-28 Rating 1818.90
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2373.03
2 Black Loss JPN Iwano Fumio 2175.91
3 Black Loss JPN Maruta Hiroki 2270.07
42nd Shinei Tournament
Date 2025-03-30 Rating 1825.02
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Tomoki 2366.06
2 White Win JPN Suzuki Tetsuji 1795.66
3 Black Loss JPN Tanaka Akito 2024.90
4 Black Loss JPN Kishimoto Shogo 2202.05
5 White Loss JPN Suzuki Yoshitaka 2019.89
28th New Year (Mikami) Cup
Date 2025-01-19 Rating 1831.13
Round Color Result Opponent
A1 Black Loss JPN Shimura Hiroki 2232.17
A2 Black Loss JPN Hayashi Kohei 2090.23
A3 Black Win JPN Suzuki Tetsuji 1789.82
A4 White Win JPN Suzuki Mika 1724.88
64 Suiseisen Tournament 1st round
Date 2024-09-22 Rating 1834.66
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Tomoki 2280.54
2 Black Win JPN Ito Midori 1870.56
3 Black Win JPN Suzuki Yoshitaka 2002.41
4 Black Loss JPN Shimura Hiroki 2197.60
41st Kanto Championship
Date 2024-07-21 Rating 1828.87
Round Color Result Opponent
4 Black Loss JPN Maruta Hiroki 2263.15
5 White Loss JPN Yoshikawa Tomoki 2257.47
6 Black Loss JPN Fujikawa Masaki 2107.38
41st Shinei Tournament
Date 2024-04-21 Rating 1823.75
Round Color Result Opponent
1 White Loss JPN Shimura Hiroki 2163.29
2 Black Win JPN Suzuki Tetsuji 1770.97
3 Black Win JPN Aoyagi Toshiki 1797.66
4 White Loss JPN Kishimoto Shogo 2213.14
5 White Loss JPN Tomobe Katsuhiro 2133.56
27th New Year (Mikami) Cup
Date 2024-01-14 Rating 1812.55
Round Color Result Opponent
A1 Black Loss JPN Suenaga Daiki 2148.99
A2 Black Loss JPN Tomobe Katsuhiro 2123.38
A3 White Win JPN Nakamura Keigo 1801.66
A5 Black Loss JPN Shimura Hiroki 2156.56
40th Shinei Tournament
Date 2023-04-09 Rating 1777.63
Round Color Result Opponent
1 White Loss JPN Kinoshita Osamu 2096.01
2 White Loss JPN Shimura Hiroki 2166.38
3 White Loss JPN Yoshikawa Tomoki 2150.26
4 White Loss JPN Nakamura Keigo 1830.54
5 White Win JPN Kato Shota 1998.16
26th New Year (Mikami) Cup
Date 2023-01-15 Rating 1766.99
Round Color Result Opponent
A1 Black Loss JPN Toyo Koryu 2204.29
A2 White Win JPN Yamamoto Ousuke 2017.65
A3 White Loss JPN Okada Akihiro 1949.38
A4 Black Win JPN Yamada Eiji 1841.49
A5 White Loss JPN Yoshimoto Yuta 2291.60
23 Renju Emperor Tournament Kanto area 1st round
Date 2022-11-06 Rating 1750.08
Round Color Result Opponent
1 Black Loss JPN Yokoyama Shota 2465.47
2 Black Loss JPN Maruta Koji 2179.92
3 Black Loss JPN Suzuki Yoshitaka 2005.20
4 White Loss JPN Okada Akihiro 1941.88
62 Suiseisen Tournament 1st round
Date 2022-09-23 Rating 1742.05
Round Color Result Opponent
1 Black Loss JPN Okada Akihiro 1937.74
2 Black Loss JPN Kishimoto Shogo 2171.51
3 Black Draw JPN Ito Midori 1817.16
4 Black Loss JPN Yamada Eiji 1846.57
39 Kanto Championship
Date 2022-07-31 Rating 1735.60
Round Color Result Opponent
4 Black Loss JPN Kato Yasuhiro 2053.78
5 White Loss JPN Kawaai Hitoshi 2072.82
6 Black Loss JPN Fukazawa Shingo 1818.69
39 Kanto Shineisen Tournament
Date 2022-04-10 Rating 1730.28
Round Color Result Opponent
1 Black Loss JPN Tanaka Shotaro 2302.79
2 White Loss JPN Suzuki Yoshitaka 2018.35
3 White Loss JPN Kishimoto Shogo 2160.54
4 Black Loss JPN Fujikawa Masaki 2140.46
22 Renju Emperor Tournament Kanto area 1st round
Date 2021-11-21 Rating 1729.22
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2167.98
2 Black Loss JPN Tanizaki Ryusuke 2045.16
3 Black Loss JPN Fujita Maiko 2378.13
4 Black Loss JPN Kato Yasuhiro 2056.77
38 Kanto Championship
Date 2021-08-08 Rating 1732.73
Round Color Result Opponent
4 Black Loss CHN Li Haoyang 1980.73
5 White Win JPN Okada Akihiro 1923.54
6 Black Loss JPN Ono Takayuki 2407.30
38 Kanto Shineisen Tournament
Date 2021-04-11 Rating 1729.61
Round Color Result Opponent
1 Black Loss JPN Suenaga Daiki 2270.61
2 Black Win JPN Shibata Satoru 1767.67
3 Black Loss JPN Shimura Hiroki 2034.57
4 Black Loss JPN Kawaai Hitoshi 2018.10
5 Black Loss JPN Yoshimoto Yuta 2245.95
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 1726.47
Round Color Result Opponent
A1 Black Loss JPN Yoshimoto Yuta 2237.16
A2 White Loss JPN Fujita Maiko 2368.34
A3 White Loss JPN Saito Shigetoshi 2010.15
A4 White Loss JPN Shibano Ryunosuke 2156.05
A5 White Loss JPN Shimura Hiroki 2018.15
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 1727.15
Round Color Result Opponent
1 Black Loss JPN Inoue Fumiya 2469.22
2 Black Loss JPN Maruyama Takashi 2050.74
3 White Loss JPN Kishimoto Shogo 2182.01
4 Black Loss JPN Maruta Koji 2115.97
37 Kanto Championship
Date 2020-08-10 Rating 1731.38
Round Color Result Opponent
1 Black Loss JPN Kato Yasuhiro 2084.40
2 Black Loss JPN Ito Midori 1793.45
3 Black Win JPN Shimura Hiroki 1968.55
4 Black Loss JPN Kawaai Hitoshi 2015.27
5 Black Loss JPN Maruyama Takashi 2047.70
6 Black Loss JPN Fujita Maiko 2376.67