The story
Named after the Dutch player Maarten van 't Kruijs (1813–1885) who won the sixth Dutch championship in 1878.
Etymology from Wiktionary, CC BY-SA 4.0.
Van't Kruijs Opening
Today it means: A chess opening characterized by the move 1. e3 that can turn into many opening variations, this opening is uncommon because it is considered a move that wastes a tempo (for the white's pieces). Full definition →