Karlheinz Bachmann vs Klaus Viktor Darga
FRG-ch 06th Bad Pyrmont FRG round 13 1961.10.28
English Opening: Anglo-Indian Defense, Hedgehog System 0-1

Klaus Viktor Darga vs Erno Gereben
Amsterdam ol (Men) fin-A Amsterdam NED round 6 1954.09.18
Benoni Defense 1/2-1/2

Efim Geller vs Klaus Viktor Darga
FRG-URS Hamburg FRG round 3 1960.07.29
Ruy Lopez: Brix Variation 1/2-1/2

Klaus Viktor Darga vs Peter Hugh Clarke
Clare Benedict Cup 12th Berlin (West) FRG round 2 1965.04.05
French Defense: Tarrasch Variation, Chistyakov Defense 1-0

Vasily Smyslov vs Klaus Viktor Darga
Capablanca Memorial Havana CUB round 18 1964.09.20
Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange at c4 1-0

Klaus Viktor Darga vs Erwin Nievergelt
13th olm final A Munich FRG round 1 1958.10.11
English Opening: King’s English Variation 1/2-1/2

Wolfgang Uhlmann vs Klaus Viktor Darga
Hastings 1958/59 Hastings ENG round 7 1959.01.05
Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange at c4 1-0

Harry Golombek vs Klaus Viktor Darga
Hastings 1955/56 Hastings ENG round 3 1955.12.30
King’s Indian Defense: Sämisch Variation 0-1

Raphael Persitz vs Klaus Viktor Darga
Hastings 1955/56 Hastings ENG round 5 1956.01.02
Sicilian Defense: Sozin Attack, Fischer Variation 0-1

Robert Wade vs Klaus Viktor Darga
Amsterdam ol (Men) fin-A Amsterdam NED round 4 1954.09.15
King’s Indian Defense: Four Pawns Attack 1/2-1/2