Jacob Isaacovich Murey (Russian: Яков Исаакович Мурей), born 2 August 1941, Moscow) is a Russian-born Israeli chess grandmaster. As of April 2007[update], his Elo rating was 2433, making him the No. 39 player in Israel and the 1449th-highest rated player in the world. His peak rating was 2560 in 1989.
In 1961, Murey tied for 6–7th in Moscow (USSR-ch students). In 1963, he took 12th in Moscow-ch. In 1965, he tied for 7–8th in Moscow (Central Chess Club-ch; Vladimir Liberzon won). In 1966, he tied for 1st with Nikitin in Moscow. In 1967, he tied for 4–7th in Moscow-ch. In 1967, he tied for 41–57th in Kharkov (35th USSR Championship; Lev Polugaevsky and Mikhail Tal won). In 1969, he took 10th in Moscow-ch (Igor Zaitsev won). In 1969, he took 15th in Voronezh (URS-ch sf). In 1970, he tied for 15–16th in Moscow-ch. In 1972, he tied for 6–8th in Sukhumi. In 1974, he tied for 5–7th in Tula. In 1975, he tied for 4–7th in Yalta. In 1978, he was one of Viktor Korchnoi’s seconds in Baguio during a match for the World Chess Championship against Anatoly Karpov. In 1979, he tied for 1st–2nd with Balshan in Ramat Hasharon. In 1980, he took 2nd in Beer Sheva. In 1980, he took 2nd in Ramat Hasharon. In 1982, he won in Randers (zonal, group B). In 1982, he took 7th in Moscow (interzonal; Garry Kasparov won).
- In 1980, at fourth board in 24th Chess Olympiad in La Valletta (+6−4=1);
- In 1982, at second board in 25th Chess Olympiad in Lucerne (+6−4=3);
- In 1984, at first reserve board in 26th Chess Olympiad in Thessaloniki (+2−2=3).
In 1982/83, he tied for 3rd–4th in Hastings (Rafael Vaganian won). In 1983, he tied for 3rd–4th in Netanya (Miguel Quinteros won). In 1987, he tied for 2nd in Marseille. In 1987, he won in Seville. In 1988, he tied for 2nd–3rd with Zsuzsa Polgar, behind Korchnoi, in Royan. In 1997, he tied for 3–8th in Winnipeg (Julian Hodgson won).
Murey won 1st European Senior Championship at Saint Vicent 2001. He tied for 2nd–4th in 3rd Senior EU-ch 2003 (Sinisa Joksic won), and for 2nd–6th in 5th Senior EU-ch 2005 (Mark Tseitlin won). He also played for Israel in 1st World Senior Team Championship at Isle of Man 2004. He won gold team medal and was equal 1st with Wolfgang Uhlmann on first board there.