Erster Test versuch gegen den Chafitz Boris aus 1978:
[Event "Engine vs Chess Computer '79 Champ"]
[Site "Hoover, Alabama, USA - 30s/1"]
[Date "2008.08.01"]
[Round "1"]
[White "Sinclair ZX81 1K ZX Chess"]
[Black "Chafitz Boris, LV 30s"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "923"]
[Annotator "Mind,Spacious"]
[PlyCount "31"]
[EventType "tourn (rapid)"]
[EventRounds "1"]
[EventCountry "USA"]
1. e3 e6 2. e4 d5 3. exd5 exd5 4. Qe2+ Be7 5. Qb5+ Nc6 6. c3 a6 7. Qb3 Bf6 8.
Kd1 Bg5 9. d3 Bxc1 10. Kxc1 Qg5+ 11. Kc2 Qf5 12. f3 Qe6 13. Qa3 b6 14. Kd2 Qh6+
15. Kc2 Nge7 16. Kd1 {End of game Sinclair ZX81 1K ZX Chess does not allow
castling. Adjudicated win for Chafitz Boris.} 0-1
Klappte leider nicht

der Boris will Rochade spielen und es geht nicht weiter.
Zweiter Test versuch gegen den Chafitz Boris aus 1978:
[Event "Engine vs Chess Computer '79 Champ"]
[Site "Hoover, Alabama, USA - 30s/1"]
[Date "2008.08.01"]
[Round "1"]
[White "Sinclair ZX81 1K ZX Chess"]
[Black "Chafitz Boris, LV 30s"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "923"]
[Annotator "Mind,Spacious"]
[PlyCount "25"]
[EventType "tourn (rapid)"]
[EventRounds "4"]
[EventCountry "USA"]
1. d3 d6 2. d4 Nf6 3. a3 c5 4. dxc5 e5 5. cxd6 Bxd6 6. a4 h6 7. Ra2 Be6 8. Ra1
g6 9. c3 Bd5 10. g3 Bxh1 11. h3 Bd5 12. h4 h5 13. Nh3 {End of game Sinclair
ZX81 1K ZX Chess does not allow castling. Adjudicated win for Chafitz Boris.}
0-1