Here the main idea is to get a head start on Black's queenside expansion and also to provide a weakening pawn move (13. c3) - although analysis shows that this response is not necessarily automatic or best on White's part. The trade-off is slightly slower development for Black and a somewhat scary-looking (albeit manageable) kingside attack for White. Caro-Kann players need to look hard at the White ideas and Black defensive responses in these position types, for example the variations around move 21. The rest of the game also provides some useful lessons, including from Black's perspective on the importance of centralized queen activity and why it's important not to give up when down material, instead posing as many problems as possible for your opponent.
Contemporary commentary on the game can be seen here on the ChessBase news site, with analysis by GM Josh Freidel.
Abrahamyan, Tatev (2322) - Paikidze, Nazi (2333)
Site: Saint Louis USA
[...] 1.e4 c6 2.d4 d5 3.¤c3 entering the "Main Line" Caro-Kann, although these days it's the Advance Variation (3. e5) that is most played at the professional level. 3...dxe4 4.¤xe4 ¥f5 the Classical Caro-Kann. 5.¤g3 ¥g6 6.h4 h6 7.¤f3 ¤d7 8.h5 ¥h7 9.¥d3 ¥xd3 10.£xd3 e6 11.¥d2 the standard position in this line. Now Black varies, however. 11...a5!? this appears to be a new idea. Very little played, but with some recent high-level games where Black scores well. (11...¤gf6 is normally played here.) 12.O-O-O this seems to be an almost reflexive choice by White and scores 40 percent in the database (the alternative c4 scores 0 percent). The logic is that Black no longer can castle queenside safely, so by default must have the king stay in the center or castle kingside. White therefore castles queenside and keeps the rook on the h-file, for future attacking possibilities. This does in part play into Black's main idea, however, which is to gain space on the queenside and play there. 12...¥b4 this provokes White's next move, which however is not forced. The move is universally played in the database, an indication that it is considered the obvious follow-up idea and the reason for playing ...a5 in the first place. 13.c3
22.gxf6 c2 (22...cxd2 is similar: 23.fxe7 £xe7 24.¤xd2±) 23.¢xc2 ¤xf6± Black has sacrificed a piece for two pawns and an attack - which is always tempting, but only profitable if the attack lasts. Here, White's king appears open, but after a few moves she is able to consolidate her position. 24.¢b1 playing it safe, which allows Black the chance for compensation.
13.¤e4!? ignoring the bishop sortie and spending the tempo on mobilizing the knight is another option.13...¥e7 having done its job, the bishop returns to its standard square. Now White's king is less secure, since the c3 pawn is a possible target for a future pawn lever. 14.£e2 ¤gf6 at this point we have a standard position, but with c3 and a5 thrown in. Structurally this has to favor Black a little, but this may be offset by the tempo invested in the pawn move, unless it is put to further good use. 15.¤e5 a standard attacking formation by White, seizing the central square and freeing up the space in front of the f-pawn. 15...O-O while it will take good defensive (or counter-offensive) skills to protect the Black king, it's still far better off castled than sitting on the e-file. 16.f4 ¦e8 this is a standard defensive rook move in this line. While at first glance it may seem unnecessary, the e6 pawn can become a serious weak point and tactical focus for White, so the Re8 will help with that, as well as leaving the f8 square potentially open for a bishop retreat. 17.¢b1 this proactively gets the king off the c-file and protects the a2 pawn.
17.f5 is played in the only other game in the database, but Black is able to neutralize this more aggressive approach. 17...¥d6 18.fxe6 ¦xe6 19.¤f5 ¥xe5 20.dxe5 ¦xe5 21.£f3 £f8 22.g4 £c5 23.¥e3 £c4 24.¥d4 £e2 25.£xe2 ¦xe2 26.g5 ¤g4 27.¦dg1 c5 28.¦xg4 cxd4 29.¦xd4 ¤c5 30.gxh6 gxh6 31.¤xh6 ¢h7 32.¤g4 a4 33.¦f1 ¢g8 34.¤f6 ¢h8 35.¦d2 ¦e6 36.¢c2 b5 37.¦f5 ¦c8 38.h6 ¦ec6 39.h7 ¤e6 40.¦xb5 a3 41.¦f5 axb2 42.¢xb2 ¦xc3 43.¦g2 ¤g7 44.a4 ¦3c6 45.¦f3 ¦b6 46.¢a3 ¦c1 47.¦b2 ¦a1 48.¦a2 ¦ab1 49.¦c2 ¦a1 50.¦a2 ¦ab1 1/2-1/2 (50) Bobras,P (2535) -Socko,B (2611) Germany 201517...a4 Black normally would be looking to play the ...c5 break around this time, and this would still be a viable way to play. However, with the advanced a-pawn and White's king on the queenside, the text move is natural. 18.¤f1 this seems like it just wastes time. Although it frees up the space in front of the g-pawn, so would the alternative Ne4. Perhaps White was reluctant to let Black exchange a pair of minor pieces on e4, fearing it would harm her attacking possibilities.
18.¤e4 ¤xe4 19.£xe4 ¤xe5 20.fxe5 a3 21.b3 ¥g5 does look OK for Black, for example.18...a3 19.b3 c5³ in contrast with the variation above, White's pieces are uncoordinated and Black's look well placed to follow up on the ...c5 break. 20.g4 cxd4 21.g5 the point of White's very aggressive play. Black now chooses the wrong path. 21...dxc3?!
21...hxg5 this is a difficult move to play at the board, since it seems that White can now crash through on the kingside in a typical attack. However, this is not the case. 22.h6 for example is a typical move that normally threatens to break everything open.
22.¤xd7 ¤xd7 23.h6 g6 24.fxg5 ¥xg5³ is the best the engine can come up with, but Black is fine.22...¤xe5 23.h7 looks most threatening (23.fxe5 £d5µ) 23...¢h8 24.fxe5 d3−+ and White has nowhere to go on the h-file, thanks to his own h7 pawn.
24.¤g3 ¦c8 (24...£c7 25.¢b1 ¦ac8 26.¦c1±) 25.¢b1 ¤d5 26.£b5±24...¦c8?! this looks like an obvious follow-up, but is not threatening enough.
24...£d4 threatening mate on b2 appears to be Black's best chance for compensation. It's well worth remembering that Black often needs to have a centrally-placed queen in order to do well (or even sometimes survive) in the Classical Caro-Kann. 25.¥c1 ¤e4! a hard move to spot, since it leaves the queen hanging. Black will regain the material after forking on c3. 26.¦xd4 ¤c3 27.¢a1 ¤xe2 28.¦c4 b5 29.¦c6 ¦ac8 looks close to equal.25.¤g3 White has the time to redevelop the knight, heading for e4. 25...¤d5 26.¦he1 this is too slow. (26.¤e4) 26...£b6 27.¤e4 f5 28.¤f2 now Black can equalize, but she instead goes for a tactic on e3 that does not fully work. 28...¦c3?! here the rook cannot be captured, but the maneuver Nf2-d3 gives White the advantage, unlike in the ...Bh4 variation where Black would get the exchange in compensation. (28...¥h4 29.¤fd3 ¥xe1 30.¦xe1 ¦c3) (28...£d4 remains a good idea as well.) 29.¤fd3 ¦ec8 30.¦c1 ¦xc1 31.¦xc1 ¦xc1 32.¢xc1 the exchanges can only benefit White, due to the material balance. 32...£g1 33.¢c2 (33.£e1!?) 33...£a1 34.¤c1² although White's king is more exposed, this is not sufficient compensation for the material, since Black cannot put together sufficient threats against it. 34...¥f6? overlooking White's threat on the e-file, although White immediately returns the favor.
34...£b2 35.¢d1 £d4± would keep the queen active and centralized, while making the most of White's king in the center.35.¤ed3?!
35.¤g6 £b2 36.¢d1+− and either the e6 or b7 pawn will fall to White's queen.35...¤c7
35...¢f7 would protect e6 less awkwardly and keep the centralized Nd5.36.¥b4 ¥b2 37.¥d6 ¥xc1 38.¤xc1 £b2 39.¢d1± White has covered all her bases and the reduced material makes her advantage more clear. 39...£d4 exchanging on e2 would of course just give Black an obviously lost endgame. 40.£d2 £g1 41.¢c2 ¤d5 42.¥xa3 an obvious move, but threatening the e6 pawn again with the queen (Qe2) might be more advantageous, as the a3 pawn isn't going anywhere. 42...£h1 43.¤d3 £xh5 Black is still fighting hard and looking for imbalances - in this case kingside pawns to match White's queenside pawn threat - that can give her drawing chances. 44.¥b2 £f3 45.a4 h5 46.¥d4 h4 47.£f2 £h5 48.£g1 £f7?! Black gives up the queen's activity, which has served her so well up to this point. (48...£e2)
48...£h6 would alternatively maintain support for the h-pawn while pressuring f4.49.¢b2 ¤f6 50.£g5 White in contrast now muscles in with her queen. 50...h3 it's looking desperate for Black now. 51.¤f2−+ (51.£g3 is simpler and better, guaranteeing the loss of the h-pawn.) 51...h2 52.£h4 this allows Black to start making threats again.
52.£g2 interestingly is the only move that retains White's significant advantage, again due to forcing the issue with the h-pawn. Black unlike in the game cannot play ...Qf7 in response, as then the response would simply be Bxf6, with the g-pawn pinned.52...£d7 53.¥xf6?! White (perhaps in time trouble) seems to want to simplify, even at the cost of material. (53.¥c3!?) 53...£d2! this intermediate move equalizes, as opposes to simply recapturing on f6 immediately. 54.¢a3 £d6? unfortunately, the recapture was now necessary for Black to get back in the game.
54...gxf6 and now whatever White does, Black will be able to get a perpetual after playing ...Qc1+55.b4 gxf6 56.£xh2+− in contrast with the above variation, Black's queen is now out of position and has to spend a tempo, giving White time to act. 56...£d4 57.£g3 ¢h8 58.¤d3 (58.a5!? passed pawns must be pushed!) 58...£c3 59.¢a2 b6 60.£e3 ¢h7 61.£e2 ¢g6 62.£d1 e5 to Black's credit, she continues to fight, taking whatever space White will give her. 63.£g1 ¢f7 64.£d1 ¢g6 65.£g1 ¢f7 66.£d1 ¢g6 67.£g1 and White takes the draw, evidently not seeing a way to make progress.
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