Kasahara Reiko, Japan - Renju Rating

JPN Kasahara Reiko (笠原礼子)

Place: Tokyo, Japan

Rating: 1804.32, Std: 82.12, Rank: 1066

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

Top rating: 1837.63 (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 1804.32
Round Color Result Opponent
4 Black Draw JPN Suzuki Tetsuji 1802.42
5 White Loss JPN Suzuki Yoshitaka 2040.48
6 White Loss JPN Tamura Kazumasa 2356.63
43rd Shinei Tournament
Date 2026-03-29 Rating 1804.52
Round Color Result Opponent
1 White Loss JPN Yamamoto Ousuke 2159.54
2 Black Win JPN Arima Daiki 1426.99
3 Black Loss JPN Terabaru Wataru 1884.05
4 White Win JPN Yoshikawa Takayuki 1808.13
5 White Loss JPN Miyoshi Daisuke 1716.56
20th All Japan Championship
Date 2026-02-23 Rating 1807.41
Round Color Result Opponent
1 Black Loss JPN Fujita Maiko 2491.09
2 Black Loss JPN Miyamoto Syunju 2349.13
3 Black Loss JPN Yoshikawa Tomoki 2487.98
29th New Year (Mikami) Cup
Date 2026-01-11 Rating 1811.45
Round Color Result Opponent
A1 Black Loss JPN Iwano Fumio 2161.62
A2 White Loss JPN Kishimoto Shogo 2240.18
A3 White Loss JPN Ro Hayou 1910.81
A4 Black Win JPN Sakai Yuuki 1815.04
A5 Black Win JPN Ito Midori 1873.27
1 1dan 2dan Tournament
Date 2025-11-30 Rating 1812.90
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Takayuki 1816.30
2 Black Loss JPN Hayashi Kohei 2104.17
3 Black Win JPN Suzuki Mika 1695.55
65 Suiseisen Tournament final round
Date 2025-09-28 Rating 1817.28
Round Color Result Opponent
1 Black Loss JPN Iwano Fumio 2163.14
2 White Loss JPN Kishimoto Shogo 2236.11
3 White Loss JPN Nishizawa Aoi 2183.67
4 Black Loss JPN Yoshikawa Tomoki 2437.28
5 White Loss JPN Suenaga Daiki 2160.73
65 Suiseisen Tournament 1st round
Date 2025-09-15 Rating 1818.85
Round Color Result Opponent
1 Black Loss JPN Kishimoto Shogo 2234.23
2 White Win JPN Komatsu Subaru 1862.72
3 Black Win JPN Miyoshi Daisuke 1711.76
4 Black Loss JPN Suenaga Daiki 2159.72
42nd Kanto Championship
Date 2025-06-28 Rating 1822.17
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2373.51
2 Black Loss JPN Iwano Fumio 2178.99
3 Black Loss JPN Maruta Hiroki 2272.59
42nd Shinei Tournament
Date 2025-03-30 Rating 1828.20
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Tomoki 2363.33
2 White Win JPN Suzuki Tetsuji 1797.67
3 Black Loss JPN Tanaka Akito 2028.20
4 Black Loss JPN Kishimoto Shogo 2212.20
5 White Loss JPN Suzuki Yoshitaka 2023.31
28th New Year (Mikami) Cup
Date 2025-01-19 Rating 1834.22
Round Color Result Opponent
A1 Black Loss JPN Shimura Hiroki 2233.98
A2 Black Loss JPN Hayashi Kohei 2095.03
A3 Black Win JPN Suzuki Tetsuji 1791.79
A4 White Win JPN Suzuki Mika 1727.26
64 Suiseisen Tournament 1st round
Date 2024-09-22 Rating 1837.63
Round Color Result Opponent
1 Black Loss JPN Yoshikawa Tomoki 2281.07
2 Black Win JPN Ito Midori 1873.55
3 Black Win JPN Suzuki Yoshitaka 2005.31
4 Black Loss JPN Shimura Hiroki 2199.62
41st Kanto Championship
Date 2024-07-21 Rating 1831.78
Round Color Result Opponent
4 Black Loss JPN Maruta Hiroki 2266.16
5 White Loss JPN Yoshikawa Tomoki 2258.65
6 Black Loss JPN Fujikawa Masaki 2111.35
41st Shinei Tournament
Date 2024-04-21 Rating 1826.59
Round Color Result Opponent
1 White Loss JPN Shimura Hiroki 2165.42
2 Black Win JPN Suzuki Tetsuji 1772.73
3 Black Win JPN Aoyagi Toshiki 1799.51
4 White Loss JPN Kishimoto Shogo 2219.11
5 White Loss JPN Tomobe Katsuhiro 2136.64
27th New Year (Mikami) Cup
Date 2024-01-14 Rating 1815.32
Round Color Result Opponent
A1 Black Loss JPN Suenaga Daiki 2152.37
A2 Black Loss JPN Tomobe Katsuhiro 2126.44
A3 White Win JPN Nakamura Keigo 1803.67
A5 Black Loss JPN Shimura Hiroki 2158.82
40th Shinei Tournament
Date 2023-04-09 Rating 1780.23
Round Color Result Opponent
1 White Loss JPN Kinoshita Osamu 2097.98
2 White Loss JPN Shimura Hiroki 2169.17
3 White Loss JPN Yoshikawa Tomoki 2152.10
4 White Loss JPN Nakamura Keigo 1832.50
5 White Win JPN Kato Shota 2000.72
26th New Year (Mikami) Cup
Date 2023-01-15 Rating 1769.56
Round Color Result Opponent
A1 Black Loss JPN Toyo Koryu 2205.72
A2 White Win JPN Yamamoto Ousuke 2020.88
A3 White Loss JPN Okada Akihiro 1952.66
A4 Black Win JPN Yamada Eiji 1843.48
A5 White Loss JPN Yoshimoto Yuta 2294.15
23 Renju Emperor Tournament Kanto area 1st round
Date 2022-11-06 Rating 1752.62
Round Color Result Opponent
1 Black Loss JPN Yokoyama Shota 2479.40
2 Black Loss JPN Maruta Koji 2186.86
3 Black Loss JPN Suzuki Yoshitaka 2007.00
4 White Loss JPN Okada Akihiro 1945.07
62 Suiseisen Tournament 1st round
Date 2022-09-23 Rating 1744.55
Round Color Result Opponent
1 Black Loss JPN Okada Akihiro 1940.88
2 Black Loss JPN Kishimoto Shogo 2175.31
3 Black Draw JPN Ito Midori 1819.62
4 Black Loss JPN Yamada Eiji 1848.51
39 Kanto Championship
Date 2022-07-31 Rating 1738.07
Round Color Result Opponent
4 Black Loss JPN Kato Yasuhiro 2055.63
5 White Loss JPN Kawaai Hitoshi 2075.17
6 Black Loss JPN Fukazawa Shingo 1820.45
39 Kanto Shineisen Tournament
Date 2022-04-10 Rating 1732.68
Round Color Result Opponent
1 Black Loss JPN Tanaka Shotaro 2305.47
2 White Loss JPN Suzuki Yoshitaka 2019.93
3 White Loss JPN Kishimoto Shogo 2164.06
4 Black Loss JPN Fujikawa Masaki 2143.46
22 Renju Emperor Tournament Kanto area 1st round
Date 2021-11-21 Rating 1731.53
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2170.80
2 Black Loss JPN Tanizaki Ryusuke 2046.41
3 Black Loss JPN Fujita Maiko 2380.90
4 Black Loss JPN Kato Yasuhiro 2058.58
38 Kanto Championship
Date 2021-08-08 Rating 1734.98
Round Color Result Opponent
4 Black Loss CHN Li Haoyang 1982.87
5 White Win JPN Okada Akihiro 1926.25
6 Black Loss JPN Ono Takayuki 2410.08
38 Kanto Shineisen Tournament
Date 2021-04-11 Rating 1731.79
Round Color Result Opponent
1 Black Loss JPN Suenaga Daiki 2272.74
2 Black Win JPN Shibata Satoru 1769.36
3 Black Loss JPN Shimura Hiroki 2036.82
4 Black Loss JPN Kawaai Hitoshi 2020.28
5 Black Loss JPN Yoshimoto Yuta 2248.37
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 1728.61
Round Color Result Opponent
A1 Black Loss JPN Yoshimoto Yuta 2239.54
A2 White Loss JPN Fujita Maiko 2370.36
A3 White Loss JPN Saito Shigetoshi 2012.05
A4 White Loss JPN Shibano Ryunosuke 2157.89
A5 White Loss JPN Shimura Hiroki 2020.35
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 1729.24
Round Color Result Opponent
1 Black Loss JPN Inoue Fumiya 2471.36
2 Black Loss JPN Maruyama Takashi 2052.67
3 White Loss JPN Kishimoto Shogo 2184.80
4 Black Loss JPN Maruta Koji 2119.05
37 Kanto Championship
Date 2020-08-10 Rating 1733.43
Round Color Result Opponent
1 Black Loss JPN Kato Yasuhiro 2085.93
2 Black Loss JPN Ito Midori 1795.41
3 Black Win JPN Shimura Hiroki 1970.62
4 Black Loss JPN Kawaai Hitoshi 2017.28
5 Black Loss JPN Maruyama Takashi 2049.57
6 Black Loss JPN Fujita Maiko 2378.45