| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 676. M Udovcic vs S Marangunic |
| ½-½ | 40 | 1969 | Zagreb | D78 Neo-Grunfeld, 6.O-O c6 |
| 677. A Saidy vs M Udovcic |
| 1-0 | 66 | 1969 | Zagreb | E46 Nimzo-Indian |
| 678. M Udovcic vs S Zinser |
| ½-½ | 59 | 1969 | Zagreb | C94 Ruy Lopez, Closed, Breyer Defense |
| 679. M Czerniak vs M Udovcic |
| ½-½ | 56 | 1969 | Zagreb | B58 Sicilian |
| 680. M Udovcic vs V Kovacevic |
| 1-0 | 24 | 1969 | Zagreb | A30 English, Symmetrical |
| 681. M Udovcic vs Hort |
| 1-0 | 38 | 1969 | Zagreb | E92 King's Indian |
| 682. Z Grdinic vs M Udovcic |
| 0-1 | 49 | 1969 | Zagreb | A42 Modern Defense, Averbakh System |
| 683. M Udovcic vs T Siaperas |
| ½-½ | 59 | 1969 | Zagreb | A30 English, Symmetrical |
| 684. L Barczay vs M Udovcic |
 | 0-1 | 15 | 1969 | Zagreb | B29 Sicilian, Nimzovich-Rubinstein |
| 685. T Ghitescu vs M Udovcic |
| 0-1 | 41 | 1970 | Rovinj / Zagreb | A40 Queen's Pawn Game |
| 686. M Udovcic vs Smyslov |
| ½-½ | 25 | 1970 | Rovinj / Zagreb | D78 Neo-Grunfeld, 6.O-O c6 |
| 687. B Kurajica vs M Udovcic |
| ½-½ | 51 | 1970 | Rovinj / Zagreb | B90 Sicilian, Najdorf |
| 688. M Udovcic vs Hort |
| 0-1 | 34 | 1970 | Rovinj / Zagreb | D94 Grunfeld |
| 689. Browne vs M Udovcic |
| 1-0 | 54 | 1970 | Rovinj / Zagreb | B90 Sicilian, Najdorf |
| 690. M Udovcic vs Petrosian |
| 0-1 | 40 | 1970 | Rovinj / Zagreb | A07 King's Indian Attack |
| 691. R Nicevski vs M Udovcic |
| 0-1 | 44 | 1970 | Rovinj / Zagreb | B08 Pirc, Classical |
| 692. M Udovcic vs D Marovic |
| 1-0 | 47 | 1970 | Rovinj / Zagreb | C00 French Defense |
| 693. Uhlmann vs M Udovcic |
| 1-0 | 47 | 1970 | Rovinj / Zagreb | E75 King's Indian, Averbakh, Main line |
| 694. M Udovcic vs V Kovacevic |
| 0-1 | 40 | 1970 | Rovinj / Zagreb | E10 Queen's Pawn Game |
| 695. Gligoric vs M Udovcic |
| 1-0 | 73 | 1970 | Rovinj / Zagreb | A59 Benko Gambit |
| 696. Fischer vs M Udovcic |
 | 1-0 | 31 | 1970 | Rovinj / Zagreb | B06 Robatsch |
| 697. M Udovcic vs M Bertok |
| ½-½ | 16 | 1970 | Rovinj / Zagreb | A78 Benoni, Classical with ...Re8 and ...Na6 |
| 698. Korchnoi vs M Udovcic |
| 1-0 | 41 | 1970 | Rovinj / Zagreb | E97 King's Indian |
| 699. M Udovcic vs Parma |
| ½-½ | 44 | 1970 | Rovinj / Zagreb | A06 Reti Opening |
| 700. D Minic vs M Udovcic |
| ½-½ | 21 | 1970 | Rovinj / Zagreb | C05 French, Tarrasch |
Kibitzing
