Kasahara Reiko (笠原礼子)

Place: Tokyo, Japan

Rating: 1798.48, Std: 91.24, Rank: 1073

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

Top rating: 1832.62 (2024-09-22)

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

Gy1: 28, Gy2: 44, Gy5: 88

43rd Kanto Championship
Date	2026-04-05		Rating	1798.48
Round	Color	Result	Opponent
4	Black	Draw	Suzuki Tetsuji	1797.89
5	White	Loss	Suzuki Yoshitaka	2034.26
6	White	Loss	Tamura Kazumasa	2334.21
43rd Shinei Tournament
Date	2026-03-29		Rating	1798.68
Round	Color	Result	Opponent
1	White	Loss	Yamamoto Ousuke	2152.07
2	Black	Win	Arima Daiki	1422.90
3	Black	Loss	Terabaru Wataru	1878.65
4	White	Win	Yoshikawa Takayuki	1802.93
5	White	Loss	Miyoshi Daisuke	1711.71
20th All Japan Championship
Date	2026-02-23		Rating	1801.57
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2482.25
2	Black	Loss	Miyamoto Syunju	2331.82
3	Black	Loss	Yoshikawa Tomoki	2475.47
29th New Year (Mikami) Cup
Date	2026-01-11		Rating	1805.63
Round	Color	Result	Opponent
A1	Black	Loss	Iwano Fumio	2155.25
A2	White	Loss	Kishimoto Shogo	2219.09
A3	White	Loss	Lu Yuyang	1905.14
A4	Black	Win	Sakai Yuuki	1809.76
A5	Black	Win	Ito Midori	1867.66
1 1dan 2dan Tournament
Date	2025-11-30		Rating	1807.12
Round	Color	Result	Opponent
1	Black	Loss	Yoshikawa Takayuki	1811.14
2	Black	Loss	Hayashi Kohei	2096.52
3	Black	Win	Suzuki Mika	1691.37
65 Suiseisen Tournament final round
Date	2025-09-28		Rating	1811.55
Round	Color	Result	Opponent
1	Black	Loss	Iwano Fumio	2156.51
2	White	Loss	Kishimoto Shogo	2218.82
3	White	Loss	Nishizawa Aoi	2177.05
4	Black	Loss	Yoshikawa Tomoki	2428.10
5	White	Loss	Suenaga Daiki	2153.49
65 Suiseisen Tournament 1st round
Date	2025-09-15		Rating	1813.14
Round	Color	Result	Opponent
1	Black	Loss	Kishimoto Shogo	2217.31
2	White	Win	Komatsu Subaru	1859.24
3	Black	Win	Miyoshi Daisuke	1707.09
4	Black	Loss	Suenaga Daiki	2152.52
42nd Kanto Championship
Date	2025-06-28		Rating	1816.61
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2367.16
2	Black	Loss	Iwano Fumio	2172.31
3	Black	Loss	Maruta Hiroki	2265.95
42nd Shinei Tournament
Date	2025-03-30		Rating	1822.81
Round	Color	Result	Opponent
1	Black	Loss	Yoshikawa Tomoki	2355.96
2	White	Win	Suzuki Tetsuji	1793.52
3	Black	Loss	Tanaka Akito	2023.53
4	Black	Loss	Kishimoto Shogo	2199.35
5	White	Loss	Suzuki Yoshitaka	2017.50
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	1828.99
Round	Color	Result	Opponent
A1	Black	Loss	Shimura Hiroki	2231.97
A2	Black	Loss	Hayashi Kohei	2087.88
A3	Black	Win	Suzuki Tetsuji	1787.84
A4	White	Win	Suzuki Mika	1723.24
64 Suiseisen Tournament 1st round
Date	2024-09-22		Rating	1832.62
Round	Color	Result	Opponent
1	Black	Loss	Yoshikawa Tomoki	2274.67
2	Black	Win	Ito Midori	1868.47
3	Black	Win	Suzuki Yoshitaka	2000.21
4	Black	Loss	Shimura Hiroki	2196.88
41st Kanto Championship
Date	2024-07-21		Rating	1826.89
Round	Color	Result	Opponent
4	Black	Loss	Maruta Hiroki	2260.76
5	White	Loss	Yoshikawa Tomoki	2252.47
6	Black	Loss	Fujikawa Masaki	2105.48
41st Shinei Tournament
Date	2024-04-21		Rating	1821.88
Round	Color	Result	Opponent
1	White	Loss	Shimura Hiroki	2162.34
2	Black	Win	Suzuki Tetsuji	1769.50
3	Black	Win	Aoyagi Toshiki	1796.26
4	White	Loss	Kishimoto Shogo	2210.96
5	White	Loss	Tomobe Katsuhiro	2131.45
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	1810.77
Round	Color	Result	Opponent
A1	Black	Loss	Suenaga Daiki	2146.72
A2	Black	Loss	Tomobe Katsuhiro	2121.42
A3	White	Win	Nakamura Keigo	1800.34
A5	Black	Loss	Shimura Hiroki	2155.51
40th Shinei Tournament
Date	2023-04-09		Rating	1776.09
Round	Color	Result	Opponent
1	White	Loss	Kinoshita Osamu	2094.82
2	White	Loss	Shimura Hiroki	2165.39
3	White	Loss	Yoshikawa Tomoki	2146.78
4	White	Loss	Nakamura Keigo	1829.30
5	White	Win	Kato Shota	1996.95
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	1765.52
Round	Color	Result	Opponent
A1	Black	Loss	Toyo Koryu	2203.04
A2	White	Win	Yamamoto Ousuke	2016.05
A3	White	Loss	Okada Akihiro	1948.04
A4	Black	Win	Yamada Eiji	1840.42
A5	White	Loss	Yoshimoto Yuta	2290.65
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	1748.67
Round	Color	Result	Opponent
1	Black	Loss	Yokoyama Shota	2464.04
2	Black	Loss	Maruta Koji	2178.65
3	Black	Loss	Suzuki Yoshitaka	2003.51
4	White	Loss	Okada Akihiro	1940.58
62 Suiseisen Tournament 1st round
Date	2022-09-23		Rating	1740.67
Round	Color	Result	Opponent
1	Black	Loss	Okada Akihiro	1936.46
2	Black	Loss	Kishimoto Shogo	2170.00
3	Black	Draw	Ito Midori	1815.59
4	Black	Loss	Yamada Eiji	1845.52
39 Kanto Championship
Date	2022-07-31		Rating	1734.26
Round	Color	Result	Opponent
4	Black	Loss	Kato Yasuhiro	2052.33
5	White	Loss	Kawaai Hitoshi	2072.49
6	Black	Loss	Fukazawa Shingo	1818.06
39 Kanto Shineisen Tournament
Date	2022-04-10		Rating	1729.01
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2301.81
2	White	Loss	Suzuki Yoshitaka	2016.81
3	White	Loss	Kishimoto Shogo	2159.14
4	Black	Loss	Fujikawa Masaki	2139.32
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	1728.03
Round	Color	Result	Opponent
1	Black	Loss	Fujikawa Masaki	2166.92
2	Black	Loss	Tanizaki Ryusuke	2044.52
3	Black	Loss	Fujita Maiko	2377.13
4	Black	Loss	Kato Yasuhiro	2055.48
38 Kanto Championship
Date	2021-08-08		Rating	1731.59
Round	Color	Result	Opponent
4	Black	Loss	Li Haoyang	1979.56
5	White	Win	Okada Akihiro	1922.45
6	Black	Loss	Ono Takayuki	2406.34
38 Kanto Shineisen Tournament
Date	2021-04-11		Rating	1728.54
Round	Color	Result	Opponent
1	Black	Loss	Suenaga Daiki	2269.27
2	Black	Win	Shibata Satoru	1766.97
3	Black	Loss	Shimura Hiroki	2033.96
4	Black	Loss	Kawaai Hitoshi	2017.33
5	Black	Loss	Yoshimoto Yuta	2245.08
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	1725.43
Round	Color	Result	Opponent
A1	Black	Loss	Yoshimoto Yuta	2236.30
A2	White	Loss	Fujita Maiko	2367.43
A3	White	Loss	Saito Shigetoshi	2009.49
A4	White	Loss	Shibano Ryunosuke	2155.26
A5	White	Loss	Shimura Hiroki	2017.53
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	1726.13
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2468.36
2	Black	Loss	Maruyama Takashi	2049.95
3	White	Loss	Kishimoto Shogo	2180.89
4	Black	Loss	Maruta Koji	2115.13
37 Kanto Championship
Date	2020-08-10		Rating	1730.39
Round	Color	Result	Opponent
1	Black	Loss	Kato Yasuhiro	2083.37
2	Black	Loss	Ito Midori	1792.33
3	Black	Win	Shimura Hiroki	1967.92
4	Black	Loss	Kawaai Hitoshi	2014.49
5	Black	Loss	Maruyama Takashi	2046.93
6	Black	Loss	Fujita Maiko	2375.86