NEW UPDATED OPENING LINE

[October 17, 2018] Updated Opening Line by Bojan Vučković:
Queen’s Gambit Declined, Semi-Slav Defense, Moscow Variation – Main Line

[Line 273 : 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3]

Line 273 covers the main line of the Moscow Variation of the Semi-Slav Defense.

The most common choice of the players of Black is 8… dxc4 9. Bxc4 g6, followed by the kingside fianchetto and short castling. After 10. O-O Bg7 11. e4 Black can prevent e4-e5 with 11… e5, or allow it with 11… O-O 12. e5 Qe7, in either case with a decent game. As an alternative we recommend 9… Bd6 10. O-O Qe7, where Black is ready to meet 11. e4 with 11… e5, and the position is more or less balanced.

If Black delays capturing on c4 with 8… g6 9. O-O Bg7, the position usually transposes to the above mentioned line after 10. e4 dxc4 11. e5 Qe7 12. Bxc4.

Another option worth mentioning is 8… Qd8 9. O-O Be7, where White typically has a slight space advantage, while Black gets to keep his bishop pair.

[Diagram: White to Move] Z. Azmaiparashvili – A. Dreev, Neum 2000. White minor pieces Ne4 and Bf7 are under attack. How should he proceed to get a decisive advantage?

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NEW UPDATED OPENING LINE

[October 16, 2018] Updated Opening Line by Trajko Nedev:
Scotch Game, Classical Variation without 5. Nxc6

[Line 361 : 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 without 5. Nxc6]

Apart from move 5. Nxc6 covered in our Line 362, White also has another two highly popular options: 5. Nb3 and 5. Be3.

Move 5. Nb3 has become a frequent choice among the top players in recent years. Though sidelines 5… Bb4+ and 5… Be7 are perfectly viable, they lead to positions with a small edge for White. After the usual 5… Bb6 6. Nc3 Black has three possibilities of about the same strength: 6… Nf6, 6… d6 and 6… Nge7.

The alternative 5. Be3 was the main move back in Kasparov’s time, and it’s not so strange that Garry tried it last year in s couple of blitz games against Nakamura and Caruana. Games often continue with 5… Qf6 6. c3 Nge7 where 7. Bc4 and 7. g3 are the most common options, both leading to complicated strategic battles.

[Diagram: White to Move] F. Vallejo Pons – V. Tkachiev, Legnica 2013. White’s queenside is a bit shaky, but his Knights have dominating positions in the center of the board, while the black Queen went astray. That being said, how can White get a substantial advantage?

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NEW UPDATED OPENING LINE

[October 15, 2018] Updated Opening Line by Borki Predojević:
Catalan Defense, Open Defense – Modern Sharp Variation

[Line 241 : 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6]

The idea of playing 5… Nc6 is opting for a setup with an early Rb8, followed by defending the c4-pawn with b7-b5.

White has at his disposal a gambit variation 6. O-O Rb8 7. Nc3, but Black’s chances should not be worse there.

More common is 6. Qa4, where replies like 6… Nd7, 6… Bd7 or 6… Bd6 are not sufficient for an equal game. That is why the game usually continues with 6… Bb4+ 7. Bd2, and here 7… Nd5 is the best choice for Black. Here again a couple of options exist, like 8. Bxb4 and 8. Qb5, where Black should be able to equalize with accurate play.

[Diagram: White to Move] White’s centralized Knights certainly look impressive, but can they be used for something more concrete?

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NEW OPENING ARTICLE

[October 14, 2018] Busted: Opening Survey by GM Slaviša Brenjo
King’s Indian Defense: Saemisch Variation with 6. Be3 c5 (13. Ne3!?)

Less than a week ago an email came from our dear user Mick (“from Crete”, as he likes to put it) with what looked like a refutal of one of the critical lines in the Saemisch Variation of the King’s Indian Defense. Unfortunately, he learned it the hard way – by losing a correspondence game, but he was still kind enough to share his wisdom with us (thanks, again!).

[Diagram: Black to Move] This position stems from the line that represents our improvement on D. Naroditsky – V. Kovalev, Saint Louis 2017. Engines believe that this position is better for White, but we beg to differ. What do you think?

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NEW UPDATED OPENING LINE

[October 13, 2018] Updated Opening Line by Bojan Vučković:
Queen’s Pawn Game, London System

[Line 055 : 1. d4 d5 without 2. Nf3, 2. c4]

London System (2. Bf4) gained a lot of popularity, particularly because of Carlsen’s and Kramnik’s success with White pieces. There are plenty of  setups for Black, but none of them guarantees an easy path to equality. Probably, the most principal setup is Nf6, c7-c5 and Nc6. After 2… Nf6 3. e3 c5 4. c3 Nc6 5. Nd2, three common choices are 5… e6 6. Ngf3 Bd6, 5… cxd4 6. exd4 Bf5 7. Qb3 Qc8 and 5… Bf5 6. Qb3 Qd7, where in all cases Black is generally able to get even chances with accurate play. For beginners, we recommend 2… e6 3. e3 Bd6, with the following simple plan: Nf6, O-O, b7-b6, Bb7 and Nbd7.

Pseudo-Trompowsky (2. Bg5) is rarely seen nowadays in master practice, as Black gets comfortable position after 2… h6 3. Bh4 c6 4. e3 Qb6. Against both 5. b3 or 5. Qc1 move e7-e5 is a strong response, since White cannot capture on e5 because of the Queen check on b4, and the Bishop on h4 is hanging.

[Diagram: White to Move] G. Kamsky – S. Shankland, Sturbridge 2014. A trick that players entering the London System should be aware of: White to play and get a lasting advantage!

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NEW UPDATED OPENING LINE

[October 12, 2018] Updated Opening Line by Trajko Nedev:
Sicilian Defense, Paulsen Variation – Taimanov-Bastrikov Variation (Bastrikov Variation with 6. Be2)

[Line 454 : 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2]

After the most common 6… a6 7. O-O Nf6 occurs a big crossroad of this opening line. Move 8. Be3 is considered to be the critical choice. Apart from the transposition to the Classical Scheveningen with 8… Be7 9. f4 d6, Black has a viable alternative in 8… Bb4, where after 9. Na4 arises a sharp and well investigated line of the Bastrikov Variation. Black should be very careful, but he is generally able to obtain roughly equal chances with 9… Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8.

The idea of 8. Kh1 is to continue with an early advance f2-f4. Black can again detour to the Scheveningen (8… Be7 9. f4 d6), or go for the more active 8… Nxd4 9. Qxd4 Bc5, with a balanced position.

There is also a sideline for Black on 7th move 6… a6 7. O-O b5, where he is able to equalize after 8. Nxc6 dxc6 9. f4 Bb7.

[Diagram: White to Move] If Black managed to play Be7 and O-O his position would be very solid. How can White stop his opponent’s plan, and gain a strong initiative?

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