Leinier DomÃnguez Perez needed a little help to overcome a bad start and go on to win the Grand Prix chess tournament in Thessaloniki, Greece. DomÃnguez, a Cuban chess grandmaster, lost in Round 1 to Gata Kamsky, the current United States chess champion. In Round 3, DomÃnguez was losing to Vassily Ivanchuk of Ukraine, but Ivanchuk ran short on time, blundered and lost. After that, it was a duel between DomÃnguez and Kamsky, with the Italian chess grandmaster Fabiano Caruana, the top seed, at their heels. DomÃnguez’s help came from Caruana, who beat Kamsky in the last round while DomÃnguez was vanquishing Veselin Topalov, a former world chess champion from Bulgaria. At the end, DomÃnguez was a half-point in front of Kamsky and ...