| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 576. W Hartston vs Vasiukov |
| ½-½ | 18 | 1979 | Hastings 1978/79 | C24 Bishop's Opening |
| 577. S Taulbut vs W Hartston |
| ½-½ | 42 | 1979 | Hastings 1978/79 | B80 Sicilian, Scheveningen |
| 578. W Hartston vs A Kochyev |
| ½-½ | 12 | 1979 | Hastings 1978/79 | E61 King's Indian |
| 579. Speelman vs W Hartston |
| 1-0 | 42 | 1979 | Hastings 1978/79 | A10 English |
| 580. W Hartston vs J Peters |
| 1-0 | 32 | 1979 | Hastings 1978/79 | A05 Reti Opening |
| 581. A Lein vs W Hartston |
| ½-½ | 78 | 1979 | Hastings 1978/79 | A36 English |
| 582. W Hartston vs Suba |
| 0-1 | 52 | 1979 | Hastings 1978/79 | E31 Nimzo-Indian, Leningrad, Main line |
| 583. G Botterill vs W Hartston |
| ½-½ | 24 | 1979 | Hastings 1978/79 | A43 Old Benoni |
| 584. W Hartston vs Andersson |
 | ½-½ | 15 | 1979 | Hastings 1978/79 | D79 Neo-Grunfeld, 6.O-O, Main line |
| 585. A Balshan vs W Hartston |
| 0-1 | 70 | 1979 | Hastings 1978/79 | A15 English |
| 586. Knaak vs W Hartston |
| 1-0 | 35 | 1979 | Keres Memorial | D86 Grunfeld, Exchange |
| 587. W Hartston vs J L Vilela |
| 1-0 | 31 | 1979 | Keres Memorial | E14 Queen's Indian |
| 588. J Lechtynsky vs W Hartston |
| 1-0 | 50 | 1979 | Keres Memorial | D91 Grunfeld, 5.Bg5 |
| 589. W Hartston vs Sax |
| 1-0 | 32 | 1979 | Keres Memorial | D85 Grunfeld |
| 590. Vaganian vs W Hartston |
| 1-0 | 46 | 1979 | Keres Memorial | A14 English |
| 591. W Hartston vs Bronstein |
| 0-1 | 38 | 1979 | Keres Memorial | A70 Benoni, Classical with 7.Nf3 |
| 592. L Christiansen vs W Hartston |
| ½-½ | 13 | 1979 | Keres Memorial | D32 Queen's Gambit Declined, Tarrasch |
| 593. W Hartston vs Petrosian |
| ½-½ | 12 | 1979 | Keres Memorial | C24 Bishop's Opening |
| 594. I Nei vs W Hartston |
| 1-0 | 40 | 1979 | Keres Memorial | A56 Benoni Defense |
| 595. W Hartston vs V Zilberstein |
| ½-½ | 41 | 1979 | Keres Memorial | D85 Grunfeld |
| 596. A Veingold vs W Hartston |
| ½-½ | 42 | 1979 | Keres Memorial | B40 Sicilian |
| 597. W Hartston vs Y Rantanen |
| 1-0 | 58 | 1979 | Keres Memorial | D30 Queen's Gambit Declined |
| 598. B Ivanovic vs W Hartston |
| 0-1 | 44 | 1979 | Keres Memorial | B46 Sicilian, Taimanov Variation |
| 599. W Hartston vs Tal |
| ½-½ | 27 | 1979 | Keres Memorial | B21 Sicilian, 2.f4 and 2.d4 |
| 600. A Vooremaa vs W Hartston |
| ½-½ | 38 | 1979 | Keres Memorial | A04 Reti Opening |
Kibitzing
