Games of Cho Chikun against Tono Hiroaki
| Nr. | Date | Event & Result | Mvs |
|---|---|---|---|
| 1 | 1979-02-18 | 26th NHK Cup, Semi-final (B, W+1.5) | 211 |
| 2 | 1980-02/03 | 27th NHK Cup, Semi-Final (?, +) | |
| 3 | 1980-07-10 | 19th Judan, Winners' Section, Round 2 (W, W+R) | 172 |
| 4 | 1981-10-08 | 20th Judan, Winners' Section Final (W, W+R) | 108 |
| 5 | 1983-06-02 | 22nd Judan, Winners' Section, Round 1 (W, W+4.5) | 196 |
| 6 | 1986-08-07 | 12th Tengen, Round 3 (W, W+4.5) | 243 |
| 7 | 1991-05-02 | 39th Oza, Round 1 (W, W+13.5) | 257 |
| 8 | 1993-10-07 | 32nd Judan, Losers' Section, Round 3 (W, B+1.5) | 292 |
| 9 | 1994-08-18 | 33rd Judan, Losers' Section, Round 1 (B, B+R) | 47 |
| 10 | 1997-05-22 | 36th Judan, Winners' Section, Round 11 (W, W+R) | 186 |
| 11 | 1999-08-00 | 32nd Hayago Championship, Round 2 (B, B+0.5) | 286 |
| 12 | 2000-07-31 | 7th Agon-Kiriyama Cup, Round 2 (B, B+R) | |
| 13 | 2000-12-25 | 48th NHK Cup, Round 4 (B, B+R) | 251 |