However, it was the Swiss who adapted the better and they took the lead through the veteran Yakin.
He is one of three Swiss players, alongside Hakan Yakin and Gokhan Inler, to have joint Swiss-Turkish nationality.
Yakin added his second from the penalty spot in the 83rd minute after Fernando Meira was adjudged to have fouled Tranquillo Barnetta.
The Swiss brought on Hakan Yakin at half-time but his first contribution was a long-range shot which almost hit the corner flag.
"Nobody agrees with America's foreign policy, " said Sertac Yakin, a university student from Ankara who also attended the Istanbul meeting in April.
At the other end, Valladares was also earning his corn, although his saves to deny Barnetta, Derdiyok and Yakin were more routine than spectacular.
In Iraq, women have seen their rights eroded "in all areas of life, " according to the UN's special rapporteur on violence against women, Yakin Erturk.
Yakin had earlier been denied by Turkey goalkeeper Volkan Demirel, who also did well to tip a swerving free-kick by Tranquillo Barnetta around the post.
Yakin Ertuk, a UN special rapporteur on violence against women, criticised what she called the impunity which prevailed around the murder of women, in Mexico, and in particular Ciudad Juarez.
Two of those stalwarts, captain Alex Frei of FC Basel and Lucerne striker Hakan Yakin, will be hoping to add to their respective 40 and 20-goal international tallies in South Africa.
BBC: World Cup 2010: Teenager Xherdan Shaqiri in Swiss squad
But the Swiss were always in control and Yakin fired through the legs of goalkeeper Ricardo, after a flicked pass from fellow-striker Eren Derdiyok, to put them ahead in the 71st minute.
Until Yakin's goals, Portugal winger Nani had missed the best chance in the 53rd minute when he shot wide when one-on-one with goalkeeper Pascal Zuberbuehler, who started in place of regular Swiss goalkeeper Diego Benaglio.
Derdiyok calmly check inside the defense in the penalty area and sent a low cross towards Yakin -- who had to wait anxiously at the far post as the ball was held up in a huge puddle of water.
Yakin also missed an even easier chance than the goal he scored in the 34th minute when he stabbed the ball wide of the post following a superb right-wing cross by Valon Behrami which cut out the defense and goal custodian.
He was on hand to awkwardly steer home from close range with his weaker right foot after Eren Derdiyok -- who like Yakin is of Turkish origin -- beat the offside trap to collect a long pass from defender Philippe Senderos.
Volkan made another superb save from Yakin, and Turkey held off the Swiss onslaught before Arda cut in from the right and fired a shot from just outside the penalty area which clipped the heels of Patrick Mueller and looped over the helpless Benaglio.
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