Khrustalev vs Nikolai Kosolapov
Volga Region championship Kazan URS 1924.05.??
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attack 1-0

Kiril Dimitrov Georgiev vs Garry Kasparov
Wch blitz Saint John round 3 1988.??.??
English Opening: Anglo-Indian Defense 1-0

Kjetil A Lie vs Hikaru Nakamura
Aker Chess Challenge Gjovik NOR round 2 2009.01.05
Modern Defense 1/2-1/2

Kjetil A Lie vs Roy Harald Fyllingen
Ch Norway, Gausdal (Norway) Gausdal NOR round 1 1999.07.03
Blackburne Shilling Gambit 1-0

Klaus Bischoff vs Jack James
New Zealand Open Aukland NZL round 1.4 2015.01.01
English Rat: Pounds Gambit 1-0

Klaus Bischoff vs Jonny Hector
2nd Fraenkische Grossmeistertage Pulvermuehle GER round 1 2004.02.19
Semi-Slav Defense: Accelerated Meran Variation 1-0

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

Klovans Janis Yanovich vs Alexander Koblents
Latvian championship Riga LAT 1963.??.??
Sicilian Defense: Taimanov Variation, Bastrikov Variation 1/2-1/2

Konstantin Chernyshov (elder) vs Andrzej Lesiak
URS URS 1969.??.??
Amar Gambit 1-0

Konstantin Maslak vs Csaba Balogh
Aeroflot Open Moscow RUS round 1 2007.02.14
English Opening: King’s English Variation, Four Knights Variation, Fianchetto Line 1-0