|Six-nations 20-19: Wales v Ireland|
|Venue: Principality Stadium, Cardiff Date: Saturday, 16 March Kick-off: 14:45 GMT|
|Coverage: Go on BBC One, BBC Radio 5 Live, BBC Radio Wales, BBC Radio Cymru and BBC Radio Ulster, plus live text commentary about BBC Sport website and BBC Sport Program.|
Skipper Rory Greatest says Ireland will need one of their finest performances of the Joe Schmidt era to mad Wales in their Six Nations match on Saturday.
Grand Slam-seeking Wales top the table moving into the last round but Ireland and England also remain in mind.
The Irish could maintain their name with a win in Cardiff of course, when Scotland can mad England in Twickenham.
“We have produced a few huge performances but it really is going to be an incredibly difficult place to come,” said Best.
“It’s going to take the best operation of the Six Nations and arguably it will take you of their greatest performances this group has put together.
“To acquire an away game in the Six Nations fullstop is tough but to visit a team that is on a huge high, with the streak of wins they’re on – in a row and on the lookout for a more Grand Slam – and also in this post, that’s an incredibly difficult place to win anyway, it’s all the ingredients and we know that.
“We are building well but we’re under no illusions about what kind of performance it is planning to take.”
Ireland’s defence of this title they won last season began in disappointing fashion with a thick opening-round defeat by England in Dublin and the team ranked second in the world also looked to be below level during the succeeding drops against Scotland and Italy.
The other day’s bonus-point success against France signalled a return to form but they must now go face a Welsh team who’ve won their last 13 games and are just below Ireland in the world ranks.
“We believe we published a performance a week which has been far more reflective folks and also the way we have been and exactly how we go about playing games,” Best added.
“I assume the first few games of the Six Nations that there were good bits and bad bits also it had been a tiny bit inconsistent.”
The Ireland hooker, that has signalled that Saturday is going to be his final Six Nations appearance, included:”For us, tomorrow is always to make sure we can have a step forward, we can boost our performance and we aren’t necessarily as concerned with that people perceive wants to acquire needs to win more.
“We know in our class that people need to work better and we’re very much dedicated to doing this.
“We believe we will need to carry out somewhere near the very best of our ability to get a win but that is what we’re getting after of course, when we eventually get crushed tomorrow it won’t be as Wales wanted it because they played better and that’s the approach that we’ve got.”