| Nr. | Date | Event & Result | Mvs |
|---|---|---|---|
| 1 | 1969-03-30 | 7th Pro Best Ten, 2nd Preliminary (W, W+R) | 182 |
| 2 | 1971-00-00 | 19th Nihon Ki-in Championship, Preliminary (?, +) | ? |
| 3 | 1977-05-26 | Oteai (B, B+R) | 211 |
| 4 | 1989-07-29 | 2nd IBM Hayago Open, Round 1 (W, B+0.5) | 252 |
| 1999 | 2000 | 2001 |
| 2002 | 2003 | 2004 |
| 2005 | 2006 | 2007 |
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"The databases have been compiled by Jan van Rongen and are his copyright.
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distributed with them. The databases shall not be made part of any [non]
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