| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 526. J Flesch vs R Faase |
| 1-0 | 30 | 1976 | Dortmund | D07 Queen's Gambit Declined, Chigorin Defense |
| 527. J Flesch vs Romanishin |
| ½-½ | 15 | 1976 | Dortmund | E15 Queen's Indian |
| 528. H W Ackermann vs J Flesch |
| 0-1 | 39 | 1976 | Dortmund | B30 Sicilian |
| 529. D Ciric vs J Flesch |
| ½-½ | 13 | 1976 | Dortmund | B17 Caro-Kann, Steinitz Variation |
| 530. Andersson vs J Flesch |
| 1-0 | 48 | 1977 | Biel | A15 English |
| 531. J Flesch vs E Torre |
| ½-½ | 36 | 1977 | Biel | A55 Old Indian, Main line |
| 532. J Flesch vs Robatsch |
| ½-½ | 21 | 1977 | Biel | A00 Uncommon Opening |
| 533. C Partos vs J Flesch |
| ½-½ | 29 | 1977 | Biel | E46 Nimzo-Indian |
| 534. M Vukic vs J Flesch |
| ½-½ | 43 | 1977 | Biel | A33 English, Symmetrical |
| 535. J Flesch vs R Hernandez Onna |
| ½-½ | 15 | 1977 | Biel | A39 English, Symmetrical, Main line with d4 |
| 536. Kavalek vs J Flesch |
| 1-0 | 29 | 1977 | Biel | A31 English, Symmetrical, Benoni Formation |
| 537. J Flesch vs H Kestler |
| ½-½ | 57 | 1977 | Biel | A07 King's Indian Attack |
| 538. J Flesch vs S Kagan |
| 0-1 | 53 | 1977 | Biel | A04 Reti Opening |
| 539. A Lombard vs J Flesch |
| ½-½ | 13 | 1977 | Biel | E14 Queen's Indian |
| 540. J Flesch vs W Hug |
| ½-½ | 14 | 1977 | Biel | A01 Nimzovich-Larsen Attack |
| 541. A Huss vs J Flesch |
| 1-0 | 39 | 1977 | Biel | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 542. Korchnoi vs J Flesch |
| ½-½ | 12 | 1977 | Montreux | D26 Queen's Gambit Accepted |
| 543. Miles vs J Flesch |
| 1-0 | 32 | 1977 | Biel | A19 English, Mikenas-Carls, Sicilian Variation |
| 544. J Flesch vs H Wirthensohn |
| ½-½ | 28 | 1977 | Biel | A00 Uncommon Opening |
| 545. J Flesch vs Panno |
| ½-½ | 17 | 1977 | Biel | E67 King's Indian, Fianchetto |
| 546. J Flesch vs W Goichberg |
| 1-0 | 72 | 1978 | 2nd Lloyds Bank Masters Open | A04 Reti Opening |
| 547. N Povah vs J Flesch |
| 1-0 | 38 | 1978 | 2nd Lloyds Bank Masters Open | B48 Sicilian, Taimanov Variation |
| 548. J Flesch vs B Rind |
 | 1-0 | 59 | 1978 | 2nd Lloyds Bank Masters Open | A04 Reti Opening |
| 549. M J Franklin vs J Flesch |
| ½-½ | 18 | 1978 | 2nd Lloyds Bank Masters Open | A46 Queen's Pawn Game |
| 550. J Flesch vs J L Watson |
| 0-1 | 42 | 1978 | 2nd Lloyds Bank Masters Open | E67 King's Indian, Fianchetto |
Kibitzing
