In the early twentieth century, a lot of grasp chess players from Slavic countries analyzed and analyzed this opening giving Slav Protection its identify. Even so, it was mentioned as early as sixteenth century. It is now a well designed line in Queen's Gambit. Even though it is technically regarded as a Queen's Gambit Declined opening, it is now usually examined independently simply because it has so several in-depth variations.
Slav Protection is well-liked in tournament enjoy and has appeared in latest globe championship matches.
Slav Protection falls underneath the category of Closed Game openings that get started with one d4 d5. Its ECO codes range from D10 to D17.
Moves and Versions
1 d4 d5
2 c4 c6
Although this is the regular sequence in Slav defense it need to be remembered that positions in Slav can be accomplished by means of other sequences for instance by 1 d4 d5, two Nf3 Nf6, 3 c4 c6, or 1 Nf3 d5, 2 c4 c6, three d4 Nf6.
Slav defense redresses many issues confronted by Black in Queen's Gambit Declined or QGD openings. In other versions of QGD go e6 is played hampering the advancement of Bishop at c8, below e7 pawn stays in place. This also will help from feasible White Bg5 pin from Knight developed to f6. Slav defense also has a better pawn skeleton for Black and helps prevent the likelihood of an assault by White pawns on the Q-facet.
Go c6 also permits Black an prospect to maintain the gambit pawn soon after dxc4, or to achieve time by attacking the White piece that recaptured it, by way of the go b5 which is defended by pawn on c6.
On the down aspect, it need to be remembered that the Bishop on c8 can only be developed right after dxc4 and allowing White to handle center, and right after its improvement Black's Q-facet will be weaker.
There are large numbers of playable variations in Slav. We will only glance at them listed here.
Slav Exchange Variation which occurs right after 3 cxd5 cxd5 normally qualified prospects to draws with its symmetrical perform with minimal possibilities for both gamers. One of the reasons why Black prefers two ... e6 and then three ... c6 to enter Semi Slav Protection is a wish to keep away from this variation.
Semi Slav Protection can be entered by taking part in ... e6 as 3rd or 4th moves right here, as well as by other shift orders starting up two ... e6. Semi Slave is a well developed opening with in depth variants, so must be examined separately.
In case of 3 Nc3, Black cannot engage in Bf5 as third shift because 4 cxd5 cxd5, 5.Qb3 will shed a pawn. Black also loses soon after 3 ... Nf6, four e3 Bf5, 5 cxd5 cxd5, 6 Qb3 Bc8, since subsequent White moves f4, Nf3, and Ne5, will give Black a enormous downside. So after three Nc3 Black can engage in Winawer Counter Gambit by relocating three ... e5.
Nonetheless, generally White will play 3 Nf3 and consider to make the ideal of Black Bishop's absence in Q-facet. The perform may commence three ... Nf6, 4 e3 (Slav Declined) or 4 ... Bf5 five.cxd5 cxd5.
The path mostly taken is three ... Nf6, answered by 4 Nc3. Now Black has numerous responses.
4 ... Bf5 is not beneficial for Black because soon after five Qb3 or five cxd5 and 6 Qb3 White will benefit. 4 ...e6 as normal will transform to Semi Slav Protection. The other offered moves are four ... dxc4, and just lately designed 4 ... a6.
4 ... dxc4 is referred to as Slav Recognized. A combative White can reply with 5 e4 b5 (Slav Gambit). Perform may possibly carry on to Geller-Tolush Gambit (6 e5 Nd5, 7.a4 e6). These lines of enjoy are even now in advancement. Analysts have questioned whether the gambits are really worth the assault received by White and are inclined favor the opinion that this will favor Black. Other possibilities for White are a lot more calm Alekhine Variation (five e3) and combative Alapin Variation (5 a4 with 6 e4 and seven Bxc4).
In reaction to Alapin, Black can engage in 5 ... a6 which can remodel to Meran Variation in Semi Slav defense. Or Black can perform Smyslov Variation (5 ... Na6) aiming right after 6 e4 Bg4, seven Bxc4 e6, 8 - Nb4 for an attack utilizing Knight move to b4. Nevertheless, the primary variation is 5 ... Bf5 (Czech Variation), which blocks six e4. After six e3 the play is referred to as Dutch Variation and will proceed calmly after 6 ... e6, seven Bxc4 Bb4, 8 - -. White can select Krause Assault (6 Ne5) to keep away from that. By My Milkyway Research Team for g3, and Bg2. Black can carry on with 6 ... Nbd7, 7 Nxc4 Qc7, or with six ... e6, 7 f3 Bb4. In the 2nd situation play may possibly commence eight e4 Bxe4, 9 fxe4 Nxe4, 10 Bd2 Qxd4, 11 Nxe4 Qxe4+, 12 Qe2 Bxd2+, thirteen Kxd2 Qd5+, 14 Kc2 Na6.