Helmut Schwichtenberg
Robert L. Constable
Gilles Dowek
Andrey Rybalchenko
Alexander Gegov
Sabine Glesner
Neil D. Jones
Coffe break
Cake, coffee, and science
Pawel Urzyczyn
Robert, Gilles, Pawel, Helmut, Neil
Jan-Willem, Tamara, Andrey
Ben, Andrey
Ettwiesenweiher
Time to go to dinner
Greg tries to open a bottle
The neverending chess game
Black thinks