The hosts almost went ahead after after seven minutes when Viktor Vasin's glancing header crashed against the upright with Stefan Marinovic well beaten.
After the game's second review, the goal and three points for Chile were confirmed.
But Russia sealed victory in the 69th minute when New Zealand fail to react fast enough to Samedov squared pass across goal - and there was Fedor Smolov to slot home unmarked from just a few yards out.
The All Whites barely threatened in the opening 45 minutes, as Roman Akinfeev enjoyed a quiet first stanza.
Russia's Fedor Smolov, center, celebrates after scoring his side's second goal during the Confederations, Cup Group A soccer match between Russia and New Zealand, at the St.Petersburg stadium in St.Petersburg, Russia, Saturd.
The Russian ace slotted the ball over the keeper Stefan Marinovic but Micael Boxall attempting to clear off the line got the last touch - and the goal was credited to the New Zealander.
The organizing committee also confirmed that Russian low-income citizens, including families with many children, orphans and disabled people, will be able to visit the Confederations Cup matches for free.
No offer received for Ronaldo, says Real boss
The current Ballon d'Or holder, at 32-years-old, has made public that he is not content at the Bernabeu and could seek to depart. He is now with the Portugal side at the Confederations Cup and his future plans will likely become clearer after its conclusion.
"Here, on modern football arenas there will be tough, honest, fair fight until the last minutes of the match", Putin said in Russian, adding that the eight-team, two-week event would "unite nations and continents, to promote the values of fair and lovely play".
The hosts won the opening match of Group A at the Krestovsky Stadium in front of Russian President Vladimir Putin in Saint Petersburg.
From Russia's fourth corner, defender Viktor Vasin's header saw the ball spin off a post and across the goalmouth before Michael McGlinchey cleared.
Along with Team Russia, they will welcome teams from seven countries: New Zealand, Portugal, Mexico (Group A); and Germany, Chile, Cameroon and Australia (Group B).
"I don't know how it was to play on, but judging by the game it seemed the quality (of the pitch) was rather good".
Madrid sports media is awash with headlines suggesting Ronaldo wants out.
Russia, a record low 63rd in FIFA's world rankings, face Portugal on Wednesday while New Zealand play Mexico the same day.
Acquires 1000 Shares of Wal-Mart Stores, Inc. (WMT)
Over the long run, the price of a stock will normally go up in lock step with its earnings (assuming the P/E ratio is constant). The retailer reported $1.00 earnings per share for the quarter, topping the Zacks' consensus estimate of $0.96 by $0.04.
Trump's lawyer denies he's being investigated
Well known in the Manhattan business circles that Trump inhabits, Kasowitz has a reputation as a bare-knuckles court brawler. It seems to me largely semantics, but the is-he-or-isn't-he argument stems from the latest push by the White House.
Israel Says Officer Stabbed, 3 Attackers Shot in Jerusalem
Following the attacks, the Israeli government took a number of punitive measures against Palestinian residents in the West Bank. Hamas terrorist activities, including a barrage of rockets on southern Israel in 2014, have led to three armed conflicts.
Egypt's Azhar condemns London mosque attack
To the north, Manchester was hit by a deadly attack May 22 when a suicide bomber killed 22 people at an Ariana Grande concert. It said searches were being carried out at a residential address in the Cardiff area in Wales .