Mariko NIIBOIn Japanese
- Name: Mariko NIIBO
- Date of Birth: 09.07.1972(54 years old)
- Turned pro: 2004
- Birthplace: Osaka, Japan
- Bloodtype: O
- Plays: Right-handed
- Q-CLUB: www.qclub.jp/index.php/marikoniibo/
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JPN
JPBA
RATING(2026-11-01)
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1,406RATING
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102RANK
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1,576
2018-07-15
MAX
The win-loss records
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229WIN
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254LOSE
JPBA Rank
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20
2026-09-30
RANK
WPA Rank
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142
2023-11-12
RANK
Profile
Personal Records*based on the results of the final round
| AllYears | 2026 | 2025 | |
| Win | 231 | 18 | 14 |
| Lose | 256 | 19 | 20 |
| WinRatio | 0.4743 | 0.4865 | 0.4118 |
| WinRatio on HillToHill | 0.4744(37/78) | 0.3333(2/6) | 0.4444(4/9) |
| Oponent who was beated by most | vs Keiko YUKAWA(8) | vs Miho KURATA(1) | vs Anzu KUROSAWA(2) |
| Oponent who beated most | vs Keiko YUKAWA(21) | vs Akemi YAGYU(1) | vs Kayo OTSUJI(2) |

