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GM Ronen Har-Zvi

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  1. Ronen through Chess history: US Championship (5 part series)
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    Ronen through Chess history: US Championship Opening: D71, B09: Neo-Grunfeld, Pirc D15, B90 QGD Slav, Sicilian Najdorf C18, C69 French, Ruy Lopez B85, B70 Sicilian: Scheveningen, Sicilian: Dragon Variation E12, C45 Queen's Indian, Scotch Game Player(s): Fischer, Byrne, Benko, Kamsky, Kaidanov, Nakamura, Shulman,, Onischuk, Rachels, Browne, Kudrin, Evans, Reshevsky, Kashdan, Learn More
  2. The DERLD (5 part series)
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    Ronen's Opening Survey: The DERLD (5 part series). C85: Ruy Lopez: DERLD (Delayed Exchange of the Ruy Lopez Differed). Have you ever considered The DERLD? This was the acronym title given to the Delayed Exchange of the Ruy Lopez Differed with 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Bxc6 by English authors Tony Swift & Len Pickett. While both authors were only top club players for Lewisham, in the early 1970s they collaborated on a series of critically-acclaimed opening research pamphlets (and many magazine articles). Their most famous was the DERLD, and their published analysis on it was even used by an untitled English player to crush one of the world's top theoreticians at the time, GM Ludek Pachman, in just 25 moves during a 1972 London tournament! However its modern-day treatment is considered more positional in nature, has a different character to it than that of the Exchange variation of the Ruy Lopez, and has been played by top GMs such as Mickey Adams and Gata Kamsky. Learn More
  3. Anti-Dutch 2 Bg5 (5 part series)
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    Ronen's Opening Survey: Anti-Dutch 2 Bg5 (5 part series). A80: Dutch, 2.Bg5 variation. Players wishing to play the Dutch Defense must certainly pay as much attention to Anti-Dutch systems as they do to the main line, as it is these very lines that can more frequently arise at club level. And one of the most popular is the tricky 1 d4 f5 2 Bg5, a line that’s certainly a blood brother of the Trompowsky Attack. Black has to be extremely careful when facing 2 Bg5, because many up against this line have fallen victim to a miniature with White winning with a crushing attack in under 25 moves. This line is also a favorite in online play, and especially here on ICC! And in a new series of Ronen’s Opening Survey, GM Ronen Har-Zvi explores the cut and thrust of the blood-thirsty Anti-Dutch with 2 Bg5. Learn More
  4. Ruy Lopez: Breyer variation (5 part series)
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    Ronen's Opening Survey: Ruy Lopez: Breyer variation (5 part series). C94, C95: Ruy Lopez: closed, Breyer defense, Ruy Lopez: closed, Breyer, Borisenko variation, Ruy Lopez: closed, Breyer, Borisenko variation 13.b3, Ruy Lopez: closed, Breyer, Borisenko variation 13.Nf1. Hungarian master Gyula Breyer (1893-1921) was one of the leading members of the hypermodern school of chess theory, but is best remembered for the variation of the Ruy Lopez named after him: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d6 9.h3 Nb8. This line became fashionable in the 1960s, and soon became a big favorite of ex-world champion Boris Spassky and candidate Lajos Portisch during this period. It also received attention from both Kasparov and Karpov during their mighty duels through the 1980s. It then went out of fashion for over 20 years at the elite level, only to now come back in vogue as a new favorite of Norwegian superstar Magnus Carlsen. And in a new series of Ronen's Opening Survey, our resident theoretical guru, GM Ronen Har-Zvi tells us why we could be going back to the future by switching to lines such as the solid and ultrasound Breyer, especially as the Sicilian gets more and more "engined out". Learn More
  5. Sicilian Najdorf Poisoned Pawn (6 Part series)
    $17.94
    Ronen's Opening Survey: Sicilian Najdorf Poisoned Pawn (6 Part series). B94: Sicilian: Najdorf, 6.Bg5. Back in the 60s and 70s everybody was playing the Sicilian Najdorf Variation, inspired by the genius of Bobby Fischer. One of the more controversial lines he championed in the mainline was the controversial Poisoned Pawn Variation with 7 …Qb6. After going out of fashion for a period, recently Sicilian aficionados have again resumed the maze-like challenges and complexities of the Fischer favorite, but this time with a new millennium twist of 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7. f4 Qb6. And in a new series of Ronen's Opening Survey, our theoretical guru, GM Ronen Har-Zvi casts a critical eye over this modern-day treatment of the Poisoned pawn. Learn More
  6. Lasker defense (5 part series)
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    Ronen's Opening Survey: Lasker defense (5 part series). D56: QGD: Lasker defense, QGD: Lasker defense, main line ,QGD: Lasker defense 8.Bg3, QGD: Lasker defense, Teichmann variation. The Lasker Defense (1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 0-0 7.e3 Ne4) in the Queen's Gambit is one of those openings where the idea of "black to equalize" is seen in full force with the exchange of some minor pieces. It was the main weapon of Emanuel Lasker in his title defense against the American champion Frank Marshall in 1907, hence the name, and recently received a revival by being adopted by Vishy Anand in his title defense earlier this year against challenger Veselin Topalov. And in a new series of Ronen's Opening Survey, Chess.FM's resident openings expert, GM Ronen Har-Zvi, overviews the Lasker Defense in light of new interest shown in it following Anand's recent adoption of it. Learn More
  7. Alekhine's defense (6 part series)
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    New Ideas in…: Alekhine's defense (6 part series). B02: Alekhine's defense. The new year brings with it a new Ronen Har-Zvi here on Chess.FM, as we rebrand his poplar weekly show from "New Idea In…" to "Ronen's Opening Survey". And in the first of his new series, our opening expert GM Ronen Har-Zvi shows just how best to handle the sometime difficult Alekhine's Defense with White's most reliable weapon of (1 e4 Nf6 2 e5 Nd5 d4 d6) 4 Nf3 - a solid line used by all the top players that continues to score big for White. Learn More
  8. Archangel Variation (5 part series)
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    New Ideas in…: Archangel Variation (5 part series). C78: Ruy Lopez: Archangelsk (counterthrust) variation. The Archangel Variation 1 e4 e5 2 Nf3 Nc6 3 Bb5 a6 4 Ba4 Nf6 5 0-0 b5 6 Bb3 Bb7 derives its name from a group of players from the Russian city of Arkhangelsk, who pioneered the development of the line in the early sixties. Although the twin lines 6...Bc5 (New Archangel) and 5...Bc5 (Moller Defence) are in fact older than the Archangel, both had been forgotten for many decades. But the Nineties saw a revival of these lines thanks to elite players such as Alexei Shirov and Mickey Adams regularly playing it. Learn More
  9. Sicilian OKelly (5 part series)
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    Ronen's Opening Survey: Sicilian O'Kelly #1. B28: Sicilian o'Kelly. The O'Kelly variation in the Sicilian is one of the most rare side interesting alternatives. The idea is to surprise white after 3.d4 with cxd4 4.Nxd4 and then Nf6, followed by e5 and Bb4, after white natural move 5.Nc3. White's main alternatives to 2...a6 should be 3.c4 or c3, transposing into positions where a6 might not assist black that much. All considered, 2. ...a6 is a dangerous weapon for and against any club up to master level players. In this new series Ronen, with his usual precision and detailed examples, explains us all the subtleties of this rare but useful variation of the widely used Sicilian Defense. Learn More

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