Jacques Schwarz vs Karl Leffmann
Nuremberg Nuremberg GER round 13 1883.07.25
French Defense: Burn Variation 1-0

Alexander Fritz vs Karl Leffmann
Nuremberg Nuremberg GER round 3 1883.07.17
Four Knights Game: Alatortsev Variation 1/2-1/2

Emil Schallopp vs Karl Leffmann
Leipzig Leipzig GER round 1 1877.07.16
Ruy Lopez: Morphy Defense, Tartakower Variation 0-1

Karl Leffmann vs Johannes Zukertort
Leipzig Leipzig GER round 3 1877.07.17
Blackburne Shilling Gambit 0-1

Karl Leffmann vs Wilfried Paulsen
Nuremberg Nuremberg GER round 1 1883.07.16
Sicilian Defense: Kan Variation, Knight Variation 0-1