Karol Petrik vs Lubomir Ftacnik
Slovak League (1st) 1995/96, Slovakia Slovak League (1st) 1995/96, Slovakia round 8 1996.??.??
Sicilian Defense 1/2-1/2

Karoly Sterk vs Paul Saladin Leonhardt
Bad Pistyan Pistyan (Piestany) AUH round 16 1912.06.10
Ruy Lopez: Closed 1-0

Karsten Larsen vs Magnus Carlsen
Arctic Chess Challenge Tromso NOR round 3 2007.08.06
Ruy Lopez: Exchange Variation 1/2-1/2

Katarzyna Toma vs David Howell
4NCL 2017/18 England ENG round 6.51 2018.02.11
Caro-Kann Defense: Exchange Variation 0-1

Katerina Nemcova vs Carissa Shiwen Yip
US Championship (Women) St Louis, MO USA round 8 2017.04.06
Sicilian Defense: Dragon Variation 1-0

Keith Arkell vs Vassily Ivanchuk
European Club Cup Kemer TUR round 1 2007.10.03
Neo-Grünfeld Defense: Delayed Exchange Variation 0-1

Kenneth Regan vs Larry Mark Christiansen
USA-ch Pasadena, CA USA round 3 1978.06.??
Amazon Attack 0-1

Kenneth S Rogoff vs Jan Smejkal
Biel Interzonal Biel SUI round 5 1976.07.16
English Opening: Symmetrical Variation, Fianchetto Variation 1-0

Kevin Spraggett vs Bradley Willis
Canadian Open Richmond, Vancouver CAN round 1 1999.??.??
Benoni Defense 1-0

Khaled Abdel Razik vs Ali Frhat
4th Open Tanta City EGY round 3 2001.04.20
Queen’s Gambit Declined: Hastings Variation 1-0