Schafkopf, also called Bavarian Schafkopf, is a popular German trick-taking card game of the ace–ten family for four players that evolved, towards the end of the 19th century, from German Schafkopf. I
The Obers and Unters – permanent top trumps
Das Schafkopf-Büchlein, 1895
Doppelkopf, sometimes abbreviated to Doko, is a trick-taking card game for four players.
Schafkopf
…demanding pastime that is considered "the supreme discipline of Bavarian card games" and "the mother of all trump games." Its closest relatives are Doppelkopf and Skat. These three and the North American game of Sheepshead descend from an earlier game, also called Schafkopf, with influences from Solo which…
A 40-card Doppelkopf pack (i.e., without nines).
German-suited (Altenburg) Doppelkopf pack (without blanks)
A "Doppelkopf" trick, two tens and two aces
Doppelkopf tournament under way