| Game Date and Game Description |
| Black |
White |
Result |
Replay |
Download |
Print |
[2025-11-06] 64th Japanese Judan, round 1
|
| Hsu Chiayuan 9p |
Koyama Kuya 7p |
B+R |
 |
 |
 |
[2025-10-19] 73rd Japanese NHK Cup, round 2
|
| Sun Zhe 7p |
Koyama Kuya 7p |
W+4.5 |
 |
 |
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[2025-09-29] 51st Japanese Gosei, preliminary A
|
| Miura Taro 4p |
Koyama Kuya 7p |
W+R |
 |
 |
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[2025-09-22] 64th Japanese Judan, last preliminary
|
| Koyama Kuya 7p |
Sakai Yuki 6p |
B+4.5 |
 |
 |
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[2025-09-04] 50th Japanese Kisei, league A
|
| Ida Atsushi 9p |
Koyama Kuya 7p |
B+R |
 |
 |
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[2025-08-28] 51st Japanese Meijin, preliminary A
|
| Koyama Kuya 7p |
Kuwabara Itsuki 2p |
W+R |
 |
 |
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[2025-08-18] 51st Japanese Gosei, preliminary A
|
| Koyama Kuya 7p |
Fujita Akihiko 8p |
B+R |
 |
 |
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[2025-07-24] 51st Japanese Gosei, preliminary B
|
| Koyama Kuya 7p |
Uchida Shuhei 8p |
B+R |
 |
 |
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[2025-07-17] 50th Japanese Kisei, league A
|
| Sun Zhe 7p |
Koyama Kuya 7p |
B+R |
 |
 |
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[2025-07-10] 52nd Japanese Tengen, preliminary B
|
| Koyama Kuya 7p |
Kuwabara Yoko 6p |
B+R |
 |
 |
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[2025-06-30] 32nd Japanese Agon Cup, round 1
|
| Hsu Chiayuan 9p |
Koyama Kuya 7p |
B+R |
 |
 |
 |
[2025-06-19] 50th Japanese Kisei, league A
|
| Motoki Katsuya 9p |
Koyama Kuya 7p |
B+R |
 |
 |
 |
[2025-05-19] 50th Japanese Kisei, league A
|
| Koyama Kuya 6p |
Hirose Yuichi 7p |
B+R |
 |
 |
 |
[2025-05-18] 73rd Japanese NHK Cup, round 1
|
| Hong Seokui 5p |
Koyama Kuya 7p |
W+R |
 |
 |
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[2025-04-10] 50th Japanese Kisei, league A
|
| Murakawa Daisuke 9p |
Koyama Kuya 7p |
W+0.5 |
 |
 |
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[2025-03-20] 50th Japanese Kisei, league A
|
| Koyama Kuya 7p |
Takao Shinji 9p |
W+R |
 |
 |
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[2025-03-13] 73rd Japanese Oza, last preliminary
|
| Fujita Akihiko 7p |
Koyama Kuya 7p |
B+R |
 |
 |
 |
[2025-02-21] 50th Japanese Kisei, league A
|
| Koyama Kuya 6p |
Hong Seokui 5p |
B+R |
 |
 |
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[2025-02-13] 80th Japanese Honinbo, round 1
|
| Shibano Toramaru 9p |
Koyama Kuya 6p |
B+R |
 |
 |
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[2025-01-09] 73rd Japanese Oza, preliminary A
|
| Rin Shien 8p |
Koyama Kuya 7p |
W+1.5 |
 |
 |
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[2024-12-18] 63rd Japanese Judan, round 2
|
| Sada Atsushi 7p |
Koyama Kuya 6p |
B+R |
 |
 |
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[2024-12-05] 80th Japanese Honinbo, last preliminary
|
| Kono Rin 9p |
Koyama Kuya 6p |
W+R |
 |
 |
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[2024-12-01] 19th Hiroshima Aluminum Cup, semi-final
|
| Hirose Yuichi 7p |
Koyama Kuya 6p |
B+R |
 |
 |
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[2024-11-30] 19th Hiroshima Aluminum Cup, round 2
|
| Koyama Kuya 6p |
Muramoto Wataru 4p |
B+R |
 |
 |
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[2024-11-30] 19th Hiroshima Aluminum Cup, round 1
|
| Yokota Hinano 2p |
Koyama Kuya 6p |
W+R |
 |
 |
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[2024-11-14] 50th Japanese Meijin, last preliminary
|
| Murakawa Daisuke 9p |
Koyama Kuya 6p |
B+R |
 |
 |
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[2024-10-17] 63rd Japanese Judan, last preliminary
|
| Koyama Kuya 6p |
Rin Kanketsu 8p |
B+R |
 |
 |
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[2024-09-30] 50th Japanese Meijin, preliminary A
|
| Koyama Kuya 6p |
Tsuruta Kazushi 6p |
B+1.5 |
 |
 |
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[2024-09-26] 63rd Japanese Judan, last preliminary
|
| Kiyonari Tetsuya 9p |
Koyama Kuya 6p |
W+R |
 |
 |
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[2024-08-22] 49th Japanese Kisei, league B1
|
| Koyama Kuya 5p |
Chang Rueijie 6p |
W+R |
 |
 |
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