Hello Chess Lovers
I wish to explore a line which has been called rare.1.d4g6 2.e4d6 3.Nc3Bg74.Bg5!? Yet top Russian GMs have used it. Svidler, Dreev and Tiviakov have played some very good games with it.Peter Leko has also tried it. The point of the move is to provoke black into making awkward moves like 4...h6. Also white wants to relocate his king to c1 so the move makes sense in that regard. Paul Keres showed that 4...c5 is met with a poisonous line:
5.dc5Qa5 6.Bd2Qc5 7.Nd5e6? 8.Bb4Qc6 9.Bb5 winning. Of course you can also look for alternatives to 7...e6.
So let us get into the inspirational game of Dreev vs Azmaiparashvili Moscow 1989
I will give credit to Dreev for some of the following analysis and then add some of my own commentary.
1.d4g6 2.e4d6 3.Nc3Bg7 4.Bg5!?Nf6 5.f4 this move takes advantage of black's concession in space.
I should remark here that most Super GMs as white, go for a spatial advantage because it is a lasting advantage.
5...c6 Black was at a serious junction here.
5....c5?! 6.e5Nh5 (6.cd4?7.ef6ef6 8.Qd4Qe7 9.Nce2Nc6 10.Qc3 winning) 7.dc5de5 8.Qd8Kd8
9.0-0-0Bd7 10.fe5h6 11.Be3Be5 12.Nd5Nc6 13.Nf3Bg7 14.Bb5 with a pleasant position for white.His pieces find very natural squares.
5...h6?! 6.Bh4c5 7.e5Nh5 8.dc5Nf4 9.ed6g5 10.Bf2
6.Qd2b5 7.Bd30-0 8.Nf3Bg4 9.e5!b4 10.Ne2Bf3 11.gf3Nd5 12.Bc4a5
Here we can look at the position in depth. White has completed development, got the two bishops and also knows the address of the opponent's King.He has straightforward possibilities against the fortress on the right side of the board. Over on the left side of the board, black has not completed development but his pawns are well advanced. If white castles queen side, he must always reckon with ...b3 followed by ...a4.Nevertheless Dreev played :
13.0-0-0Qd7 In 1996 Dreev vs Zakharevich featured : 13...f6!? 14.ef6ef6 15.B4Bh6 16.Bf2Nd7 17.h4N7b6 18.Bd3Na4 and now 19.Kb1 is a good prophylactic move getting the king off the h6-c1 diagonal and then preparing to move the queen as well. You can look at this in detail with any of the software programmes available. The game lasts only 11 more moves after black's queen move.
14.f5! White wastes no time and proceeds to create a crisis. The plan is simple : take on g6 and then push the h-pawn.
14....Qf5 15.Ng3 sustaining the initiative. 15...Qe6
If the black queen gets a hefty appetite for pawns the punishment is spectacular:
15....Qf3 16.Rdf1Qg4 17.Nf5!? - Fritz- 17...gf5 18.Rhg1Qh5 19.Bd5cd5 20.Be7Nd7 21.Bf6Nf6
22.gf6b3 23.a3!? I leave the rest to everybody who wants to analyse this.
16.f4! Wave after wave. Its tough to face this pressure. 16....de5
(16...h6 17.f5gf5 18.Bf4 -white will go for Rhg1/Nh5)
17.f5!Qd6 18.fg6hg6 19.Rdg1 white is planning a very spectacular move. 19...ed4?!
Black stumbles.This is understandable. He is under pressure and he goes for an active continuation. If 19...f5 20.h4 is also very critical.
20.Nf5! A spectacular move hoping to rip open black's fortress and pressuring e7 and d6.
20...Qe5 21.Ng7Ne3?! 22.Be3de3 23.Qd3Kg7 24.Bf7!! Destruction of the pawn cover!
24...Qh5 25.Rg6 1-0 Black had enough.
What was so instructive was the way in which so many things happened on the f5 square.
In the meantime the black pawns on a5 and b4 are frozen not doing a thing.Its important to note that a move like 20.Nf5 could only come to an open mind. Dreev is a disciple of Dvoretsky and no doubt had seen many attacking motifs before.
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