1977 World Computer Chess Champion, Toronto, Chess 4.6 Chess vs Duchess, 1977 (C43) Petrov, Modern Attack, 50 moves, 1-0 1977 World Computer Chess Champion, Toronto, Chess 4.6 Master vs Chess, 1977 (A09) Reti Opening, 41 moves, 0-1 1977 World Computer Chess Champion, Toronto, Chess 4.6 Chess vs Bcp, 1977  (C44) King's Pawn Game, 27 moves, 1-0 1977 World Computer Chess Champion, Toronto, Chess 4.6 Belle vs Chess, 1977  (B00) Uncommon King's Pawn Opening, 52 moves, 0-1 4 games