Horne scored his initial twin tries from halfback and combined a third from a left wing as Scotland finally got their high-octane using diversion going in their third compare in Japan.
Five-eighth Adam Hastings, son of Scotland good Gavin, also done a poignant grant with a initial twin tries in 4 first-half mins and 8 conversions for a personal transport of 26 points.
Stream a Rugby World Cup 2019 on KAYO SPORTS. Every compare Live On-Demand on your TV, computer, mobile or tablet. Get your 14 day giveaway hearing
Neither Horne not Hastings are expected to start in Yokohama on Sunday when a Scots take on Japan roughly positively wanting to record a feat and dispossess a hosts of a reward indicate to swell to a knockout stages.
That compare in Yokohama, however, is in risk of being disrupted by Typhoon Hagibis, that is projected to strike a Tokyo area on Saturday, bringing clever winds and complicated rain.
Tournament manners state that any pool diversion that can't be played is not rescheduled and instead is accessible as a 0-0 draw, with no reward points available.
Scotland done 14 changes from a group that kick Samoa 34-0 and many of a players had a twin idea of winning a diversion as good as perplexing to force their approach into care for Sunday’s match.
Scotland’s scoring in a initial half came in an eight-minute detonate with Hastings channel twice, while Horne intercepted a prosaic pass by Dmitry Perov on his possess tryline to give Scotland a 21-0 lead during a break.
Horne afterwards cumulative a reward indicate after a shining weaving run of some-more than 60 metres from Darcy Graham, who was a usually actor who also started opposite Samoa.
Russia afterwards ran out of steam and their counterclaim faltered as they missed 41 tackles with harlot George Turner and winger Tommy Seymour channel before Horne finished his hat-trick with some-more than 20 mins remaining.
Match captain John Barclay brought adult a half-century, only a 13th time Scotland have surpassed 50 points in Tests, when he detonate giveaway with about 5 mins remaining.