The defending champions were bullied by Eddie Jones' side in Dublin last time out but responded impressively to deny Scotland a record-equalling eighth consecutive home victory in the tournament, despite losing Johnny Sexton to injury in the first half.
Combative hooker Best knows full well Ireland's title chances will now hinge on others slipping up elsewhere, but the 36-year-old was relieved and delighted to leave Edinburgh with those hopes still alive and kicking.
"Scotland will look to try and replicate how England played against Ireland, the speed of the defence that the English had, and see if they can put Ireland under the same amount of pressure".
Johnny Sexton found Jacob Stockdale with a neat inside pass to set up Ireland's second try.
Sam Johnson cut the deficit after Finn Russell broke free and brilliantly picked out his teammate to score.
Ireland were lucky to lead 10-12 at the break after spending much of the opening 40 minutes inside their own half. The hosts repelled wave after wave of Irish attack and eventually forced a turnover.More news: OR governor says Virginia’s Northam should resign
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There wouldn't be too many weeks go by that I don't get a letter, suggesting somebody play there, or suggesting a set play or suggesting something. But they had the possession and the ability to stretch their lead, and Laidlaw admitted that, by comparison, Scotland had conceded cheap scores while finding it harder to score themselves.
"They will look to keep the ball for longer periods of time and put pressure on Scotland when they have the ball".
Roux had not been named initially in Ireland's Six Nations squad, but seems to have edged ahead of provincial teammate Ultan Dillane, who should be named among the replacements.
"He is up against not only the best stand-off in the world but the best player in the world (Sexton), a key man for a team that has a number of key men". Conversion: Greig Laidlaw. Penalty: Laidlaw (2).
The result was all that mattered, but getting it with Joey Carbery running the show for nearly an hour was an added bonus.
Lock Quinn Roux is promoted from the bench with Devin Toner (ankle) also ruled out and flanker Sean O'Brien is preferred to Josh van der Flier.