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.
Tributes to Victims of London Mosque Attack
Last year, almost 100 mosques were attacked in Germany and dozens across Europe have been targeted by arsonists this year. The incident comes at a time when emotions are high in England, where there have been several recent terrorist attacks .
"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.
Theresa May confirms Brexit talks to begin next week
Similarly, remaining in the customs union would make it impossible to seek separate trade agreements with non-EU countries. That if Britain changes its mind it would find an open door", Guy Verhofstadt told the chamber.
Tapwrit Wears Down Irish War Cry to Win Belmont Stakes
Tapwrit finished sixth in the 20-horse Derby after encountering traffic in what Pletcher described as "a sneaky good" race. The two weeks between the Kentucky Derby Presented by Yum! "We still have time, so we will give him the best care we can".
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.
Halep and Svitolina into French quarters
Once I started to get into a rhythm I was able to keep him a bit further away from the baseline and that made a big difference". Nishikori has won just two of 10 matches against Murray , but can't remember beating the British player at the U.S.