Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. M L Chapman vs I Wells |
| 0-1 | 39 | 1980 | World Cadet U17 4th | B83 Sicilian |
2. F van der Vliet vs M L Chapman |
| 1-0 | 50 | 1980 | 4th Lloyds Bank Masters Open | D34 Queen's Gambit Declined, Tarrasch |
3. M L Chapman vs C E Whitehead |
| 1-0 | 23 | 1980 | 4th Lloyds Bank Masters Open | B07 Pirc |
4. P Gelpke vs M L Chapman |
 | 1-0 | 27 | 1980 | 4th Lloyds Bank Masters Open | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
5. M L Chapman vs J G Nicholson |
| 0-1 | 38 | 1980 | 4th Lloyds Bank Masters Open | B80 Sicilian, Scheveningen |
6. M L Chapman vs M Yeo |
| 0-1 | 36 | 1980 | Benedictine Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
7. M L Chapman vs I Wells |
| 0-1 | 24 | 1980 | Cleethorpes Open 3rd | B81 Sicilian, Scheveningen, Keres Attack |
8. M L Chapman vs R Diabi |
| 0-1 | 44 | 1983 | World Junior Championship | B13 Caro-Kann, Exchange |
9. M L Chapman vs R Lukman |
| 1-0 | 32 | 1983 | World Junior Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
10. Dlugy vs M L Chapman |
| 1-0 | 37 | 1983 | World Junior Championship | E87 King's Indian, Samisch, Orthodox |
11. M L Chapman vs J G Arboleda |
| 0-1 | 78 | 1983 | World Junior Championship | C02 French, Advance |
12. H Korhonen vs M L Chapman |
| 0-1 | 40 | 1983 | World Junior Championship | C63 Ruy Lopez, Schliemann Defense |
13. M Condie vs M L Chapman |
| 0-1 | 21 | 1983 | World Junior Championship | A97 Dutch, Ilyin-Genevsky |
14. Short vs M L Chapman |
 | 1-0 | 35 | 1983 | World Junior Championship | A07 King's Indian Attack |
15. M Diallo vs M L Chapman |
| 0-1 | 32 | 1983 | World Junior Championship | C63 Ruy Lopez, Schliemann Defense |
16. M L Chapman vs J Hickl |
| 1-0 | 53 | 1983 | World Junior Championship | E75 King's Indian, Averbakh, Main line |
17. M L Chapman vs J R Smith |
| ½-½ | 58 | 1983 | World Junior Championship | C00 French Defense |
18. E Grivas vs M L Chapman |
| 0-1 | 36 | 1983 | World Junior Championship | E75 King's Indian, Averbakh, Main line |
19. Granda Zuniga vs M L Chapman |
| 1-0 | 31 | 1983 | World Junior Championship | C63 Ruy Lopez, Schliemann Defense |
20. M L Chapman vs I Collin |
| 1-0 | 24 | 1983 | World Junior Championship | B50 Sicilian |
21. I Rogers vs M L Chapman |
| ½-½ | 52 | 1983 | Balatonbereny Open | C12 French, McCutcheon |
22. M L Chapman vs S A Sharman |
| 1-0 | 7 | 1984 | Australian Open 1984/85 | C44 King's Pawn Game |
23. D Wriggles vs M L Chapman |
| 0-1 | 24 | 1984 | Australian Open 1984/85 | E63 King's Indian, Fianchetto, Panno Variation |
24. M L Chapman vs M Drummond |
| 1-0 | 26 | 1985 | Australian Open 1984/85 | C16 French, Winawer |
25. M L Chapman vs S J Solomon |
| 1-0 | 30 | 1985 | Australian Open 1984/85 | C21 Center Game |