NEW UPDATED OPENING LINE

[June 27, 2016] Updated Opening Line by Borki Predojević:
Slav Defense, Chebanenko Variation with 5. a4

[Line 099 : 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4]

White’s idea with 5. a4 is to prevent his opponent from playing dxc4 and supporting that pawn with b7-b5. However, playing a4 weakens the b4-square, and Black often makes use of it by deploying his Bishop or Knight on that place. Black’s typical reaction is 5… e6, and now White has a wide range of choices.

If White opts for a kingside fianchetto with 6. g3, he loses just enough time to allow his opponent’s counteraction in the center with 6… dxc4 7. Bg2 c5, which gives Black a quite satisfactory position.

Against more solid 6. e3, Black has a strong response in 6… c5 7. Bd3 Nc6, and the weakness on b4 gives him sufficient compensation for White’s slight developmental advantage.

In our opinion White’s best try is 6. Bg5, where Black has several possibilities of more or less equal strength: 6… a5, 6… h6 and 6… Nbd7.

[Diagram: Black to Move] Black sacrificed an exchange in the early stage of the game, and now needs to play a few accurate moves to secure a draw. How should he continue?

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NEW UPDATED ARTICLE

[June 26, 2016] Updated Opening Article by GM Aleksandar Kovačević:
July 2015 Revisited: Sicilian Najdorf, English Attack

In the original article our game of the week was a memorable one: D. Navara – R. Wojtaszek, Biel 2015, where white king’s extraordinary march all the way to h8 brought him a spectacular win. We have now updated the survey with several theoretically important over-the-board and correspondence games, but the most important addition the discovery that Navara’s incredible plan was actually flawed!

[Diagram: Black to Move] The diagrammed position shows the critical moment in the above mentioned game: white king is dangerously close to the enemy camp, so Black has to find a way to cut off his opponent’s pieces, to make sure they cannot come to the rescue of their monarch.

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NEW UPDATED OPENING LINE

[June 25, 2016] Updated Opening Line by Bojan Vučković:
French Defense, Normal Variation – Classical Variation without 4. Bg5

[Line 336 : 1. e4 e6 2. d4 d5 3. Nc3 Nf6 without 4. Bg5]

Line 336 deals with various sidelines in the Boleslavsky Variation (4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3) of the French Defense, as well as with the alternatives for both sides, starting from White’s fourth move.

In the Boleslavsky Variation, the main examined line is 7… Qb6, where White usually responds with 8. Na4 Qa5+ 9. c3. Positions tend to become quite closed after 9… c4 10. b4 Qc7, and after several accurate moves, Black should be able to equalize. His 9th move alternative is 9… b6 10. Bd2 c4 11. b4 Nxb4 12. cxb4 Bxb4, and though it’s easier to play the position for White, Black still has his fair share of counter-chances. The other try for Black (9… cxd4 10. b4 Nxb4 11. cxb4 Bxb4+ 12. Bd2) leads to his opponent’s advantage.

Nakamura had tried 7… Rb8 several times, and that is the line we recommend for beginners.

For the players of White that want to avoid the most critical lines, we recommend either 5. Nce2 c5 6. c3 Nc6 7. Nf3, or 4. exd5 exd5 5. Bg5, which is more suitable for beginners.

[Diagram: White to Move] Black’s central pawns seem terrifying, and they would indeed offer him dangerous compensation, were it not for White’s unexpected blow. How can White get an almost winning position?

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NEW UPDATED OPENING LINE

[June 24, 2016] Updated Opening Line by Trajko Nedev:
King’s Indian Defense, Sämisch Variation (Steiner Attack & Normal Defense)

[Line 153 : 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3]

The so-called Normal Defense of the Sämisch Variation starts with 5… O-O.

Our major variation covered in Line 153 is the Steiner Attack (6. Bg5), as it is the most important alternative to the main 6. Be3, covered in our Lines 154 and 155.

In our opinion, Black has a few choices that lead to satisfactory positions.

The most frequently played line is 6… c5 7. d5 e6, which leads to sharp Benoni-like positions, where Black has enough tactical resources to compensate for White’s spatial advantage.

Black can also opt for a Benko Gambit-type of position with 6… a6 7. Qd2 c5 8. d5 b5 9. cxb5 Nbd7, where, in our opinion, he gets sufficient compensation for the sacrificed pawn.

From our recommendations for club level players we would like to draw your attention to the following promising line: 7… Nc6 8. Nge2 Rb8 9. Rd1 Bd7, followed by b7-b5.

[Diagram: Black to Move] Black has already sacrificed one Rook and the other one is hanging. Still, he has a way to get a nearly decisive advantage. How should he continue?

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NEW UPDATED OPENING LINE

[June 23, 2016] Updated Opening Line from Dragan Paunović:
Modern Defense – Averbakh Variation

[Line 047 : 1. d4 g6 2. c4 Bg7 3. Nc3 without 3… Nf6]

This update is a small tribute to our late colleague GM Dragan Paunović. In memory of our dear friend, our Editorial Board will continue updating his lines and articles.

In the focus of Line 047 is the Averbakh Variation of the Modern Defense (3… d6). After the most logical 4. e4, along with the transposition to the King’s Indian Defense with 4… Nf6, Black has several plans at his disposal.

One possibility is 4… e5 5. Nf3 exd4 6. Nxd4, and now Black usually continues with 6… Nc6 7. Be3 Nge7, where White can make advantage both with the aggressive 8. h4, and with the more solid 8. Be2.

Black’s viable fourth move alternative is 4… Nc6, with the idea to exert pressure on the d4-square, but then both 5. Be3 and 5. d5 should lead to slight opening advantage for White.

Apart from the above mentioned lines, Black could also try the rare 3… c5, and after 4. d5 he could opt for 4… d6, 4… Bxc3+ or 4…. f5, but in all the cases White has means of securing opening advantage.

[Diagram: White to Move] D. Lintchevski – I. Kurnosov, Tyumen 2012. Black is behind in development and White has a chance to make use of that fact to gain a long-term initiative!

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NEW UPDATED OPENING LINE

[June 22, 2016] Updated Opening Line by Borki Predojević:
Catalan Defense, Open Defense with 5… Bb4+

[Line 240 : 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+]

Line 240 deals with one of the critical variations of the Open Defense (4… dxc4) of the Catalan. By giving a check, Black wants to disturb White’s development. White’s usual choice is 6. Bd2, and now 6… a5 is considered to be the best option for Black.

If White continues with 7. O-O O-O 8. Bg5, Black could play 8… Nc6 and meet White’s a2-a3 with Bd6 and e6-e5.

If White decides to attack the c4-pawn immediately with 7. Qc2, Black should try to protect the pawn as long as possible, i.e. 7… Bxd2+ 8. Nbxd2 b5 9. a4 c6, or 8. Qxd2 c6 9. a4 Ne4 10. Qc2 Nd6. White has full compensation for the pawn, but probably not much more than that.

[Diagram: Black to Move] Black Rook on d3 is under attack and he can not move it because his Knight is hanging. However, White’s pieces lack coordination and Black has the means to launch a strong attack. What should he do?

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