Karel Urbanec vs Antonin Zaruba
CSR-ch Prague CSR round 13 1955.12.03
Benoni Defense: Fianchetto Variation 0-1

Karen Asrian vs Pavel Smirnov
Aeroflot Open Moscow RUS round 9 2005.02.23
Sicilian Defense: Najdorf Variation, Opocensky Variation 1-0

Kari Nieminen vs Emiliano Aranovitch
European Club Cup Kallithea GRE round 6 2008.10.22
Sicilian Defense: Taimanov Variation, Bastrikov Variation 0-1

Karina Szczepkowska-Horowska vs Batkhuyag Munguntuul
World Junior Championship (Girls) Istanbul TUR round 2 2005.11.10
Sicilian Defense: Closed 0-1

Karl August Walbrodt vs Curt von Bardeleben
Three Masters Tournament Berlin GER round 2 1896.04.21
French Defense: Burn Variation 1/2-1/2

Karl Gilg vs Vladimir Petrov
Moravska Ostrava Moravska Ostrava CSR round 4 1933.07.05
French Defense: Alekhine-Chatard Attack 1-0

Karl Helling vs Simon Rotenstein
Berlin-ch Berlin GER round 1 1932.??.??
Amazon Attack: Siberian Attack 1/2-1/2

Karl Pitschel vs Samuel Rosenthal
Paris Paris FRA round 10 1878.07.02
English Opening: Drill Variation 0-1

Karl Waldner vs NN
Vienna Vienna AUH 1910.10.21
Scotch Game 1-0

Karsten Mueller vs Thomas Cording
Hamburg Open Hamburg GER round 3 1992.??.??
Scandinavian Defense 1-0