Ex-Candidate against top five player with White pieces | Mamedyarov - Gelfand

Gelfand meeting one of the best players in world at 15th Round of World Rapid Championships. Mamedyarov is extremely strong with the white pieces: he always manages to create problems for the opponent and make it a long terms advantage. Gelfand is well known to be big student of the game and analysisng and memorizing moves all his life. At this point Gelfand played many moves of theory and engine showing at one point comfortable position for black. However Black spent lot of time and had to speed up its game.
2019 King Salman World Rapid & Blitz Championships
Moscow, 2019
Mamedyarov, Shakhriyar - Gelfand, Boris
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 11. g3 Qh5 12. O-O g5 13. cxd5 Bxc3 14. bxc3 exd5 15. Be3 Nxe5 16. f3 Nxd3 17. Qxd3 Nd6 18. Rf2 Qg6 19. Qxg6+ fxg6 20. Bxg5 Nc4 21. Nb5 Rf7 22. Bf4 Bh3 23. Rd1 Rd7 24. Re2 a6 25. Nc7 Rad8 26. Kf2 d4 27. cxd4 Rxd4 28. Re8+ Rxe8 29. Rxd4 1-0
The Nimzo-Indian Defence is a chess opening characterised by the moves:
1. d4 Nf6
2. c4 e6
3. Nc3 Bb4
Other move orders, such as 1.c4 e6 2.Nc3 Nf6 3.d4 Bb4, are also feasible. In the Encyclopaedia of Chess Openings, the Nimzo-Indian is classified as E20-E59.
This hypermodern opening was developed by Aron Nimzowitsch who introduced it to master-level chess in the early 20th century. Unlike most Indian openings, the Nimzo-Indian does not involve an immediate fianchetto, although Black often follows up with ...b6 and ...Bb7. By pinning White's knight, Black prevents the threatened 4.e4 and seeks to inflict doubled pawns on White. White will attempt to create a pawn centre and develop his pieces to prepare for an assault on the Black position.
Black's delay in committing to a pawn structure makes the Nimzo-Indian (sometimes colloquially referred to as the "Nimzo") a very flexible defence to 1.d4. It can also transpose into lines of the Queen's Gambit or Queen's Indian Defence. The Nimzo-Indian is a highly respected defence to 1.d4, is played at all levels and has been played by every world champion since Capablanca. White often plays 3.g3 or 3.Nf3 to avoid the Nimzo-Indian, allowing him to meet 3.Nf3 Bb4+ (the Bogo-Indian Defence) with 4.Bd2 or 4.Nbd2, rather than 4.Nc3.
The Classical or Capablanca Variation was popular in the early days of the Nimzo-Indian, and though eventually superseded by 4.e3 it was revived in the 1990s; it is now just as popular as the Rubinstein. White aims to acquire the two bishops without compromising his pawn structure. The drawback is that the queen will move at least twice within the opening moves and that White's kingside development is delayed. Thus, even though White possesses the bishop pair, it is usually advisable for Black to open the game quickly to exploit his lead in development. Black has four common replies to 4.Qc2. These include 4...0-0, 4...c5, 4...d5, and 4...Nc6 (4...d6 intending ...Nbd7 and ...e5 is a rarer fifth option).
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Blitz chess (also known as speed or fast chess) is a type of chess in which each player is given less time to consider their moves than normal tournament time controls allow. Openings, tactics and strategy are same.