Tantalizer 441: Luck of the draw
14 November 2018
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From New Scientist #992, 18th March 1976 [link]
Dopey confessed that he had never learnt to play chess and was appointed umpire. The other six dwarves settled down to play a five-round tournament. Grumpy drew with everyone but Sneezy and finished equal bottom with Doc, whom he had played in the first round. Sneezy drew with Doc, Happy and Sleepy. Bashful drew with Sleepy. There were no other draws.
There was at least one draw in each round and each dwarf drew in at least two consecutive rounds. The two equal winners did not play each other in the second round.
What were the pairings in the final round?