26 August 2023

Commentary: 2022 U.S. Women's Championship, Round 7 (Tokhirjonova - Abrahamyan)

In this round 7 game, we see a straight-up Advance French opening, with Abrahamyan defending. Several thematic ideas pop up, including White's early h2-h4 pawn thrust, Black having to decide when to exchange pawns on d4, the 11...f6 pawn break, and the attacking move 22. Ng6!

As can be seen with many games when examined closely, both sides have opportunities and setbacks that are characteristic of the dynamic attack (White) and defend/counterattack (Black) roles in the opening, although Black essentially cannot recover after the 17...Nb4 inaccuracy. That particular move is worth examining in the different variations shown, and is an example of what often occurs in practice - an idea for a move that is good in theory proves not to work, but could have in a different sequence.

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1.e4 e6 2.d4 d5 3.e5 the Advance variation. c5 4.c3 Nc6 5.Nf3 Bd7 6.Be2 Nge7 7.Na3 this looks funny, but is the most played in the database. The knight has to get in the game somehow. Ng6 7...cxd4 immediately is more popular and scores slightly better in the database. 8.Nc2 8.h4!? is an attempt by White to take immediate advantage of the placement of the Ng6. cxd4 9.cxd4 Be7 10.h5 Nh4 and Black is all right, however. 8...Be7 9.g3 the point of the move is to support the coming h-pawn thrust. cxd4 10.cxd4 0-0 11.h4 f6 a thematic French pawn break; the pawn chain is attacked at its head, the base having been shortened by the exchange on d4. 12.h5 the logical continuation of the h-pawn forward thrust. Nh8 13.Bf4 White maintains the strong point on e5, at least temporarily. Nf7 14.Bd3 Rc8 putting the rook where it belongs in the long-term. 14...fxe5!? immediately is perhaps better, if Black is going to play it anyway. 15.Qe2 adding another piece to the e5 battle and developing the queen. fxe5 Black exchanges and releases the pent-up pressure, to her benefit. 16.dxe5 Ng5 reactivating the knight and looking to exchange, which will help further expand the scope of Black's pieces and un-cramp her position. 17.Nh4?! this goes too far in avoiding minor piece exchanges and puts the knight on the rim. 17.Nd2= Nb4 18.Nxb4 Bxb4 19.Kf1 and now there are multiple roads to equality for Black, including ...h6 or exchanging on d2. 17...Nb4?! an inaccurate response. The Nb4 idea appears in different variations, for example in the above one, but here White can take advantage of it. 17...Ne4! immediately takes advantage of the Nh4's placement, while maintaining the Q+B battery against it. 18.Nf3 18.Bxe4 dxe4 19.Qxe4 this looks like a simple win of material for White, but Black has a number of threats that can now be executed, for example after Na5! Black has ...Rc4 and ...Bc6. 18...Bc5 19.0-0 Rxf4 20.gxf4 Ng3 18.Nxb4 Bxb4+ 19.Kf1 Ne4 20.Kg2!± this solves White's problems and gives her a plus, as now she can bring over the Ra1 while keeping her other rook on the h-file for attacking purposes. Bc5? Black evidently had ideas of targeting f2 similar to that in the above variation, but here the idea essentially loses. 20...a6!? unfortunately there is not much active that Black can do. 21.Raf1 this simple move essentially seals Black's fate. Be7 22.Ng6!+- a thematic attacking move, as the knight cannot be taken safely. Rf7 22...hxg6 23.hxg6 Rf5 defends the h5 square, but the White queen can still work her way to the h-file after 24.Qg4 Bg5 25.Qh3+- 23.Qg4 a little hasty - Nxe7 can be played immediately instead - as this leaves some space for counterplay after ...Qb6, although Black would still lose the exchange. Nc5 23...Qb6 24.h6 hxg6 25.Qxg6 Qxb2 26.h7+ Kh8 27.Qxf7 Qa3± 24.Nxe7+ an effective enough follow up. 24.Bb1!+- is pointed out by the engine, preserving the excellent attacking bishop. 24...Qxe7 25.Bg6 the Rf7 must now be exchanged for the bishop. Bc6 25...hxg6?? 26.hxg6 and the queen then moves decisively to the open h-file. 26.Bxf7+ Qxf7 27.Rd1 the rook is no longer needed to protect f2, so can get into the game via the d-file. Rf8 nothing is good for Black at this point, as White has no real weaknesses. 28.Rd4 Kh8 29.f3 this isn't necessary, but perhaps White wanted to have the pawn double-protected and block the a8-h1 diagonal her king is on. Nd7 30.h6 White gets rolling against the king position again. g6 31.Re1 as it is no longer of use on the closed h-file, White correctly redeploys the rook behind the e-pawn. Qe8 32.Bd2 now the bishop is free to move to a better diagonal. Rf5 33.Rf4 the threat to e5 can be safely ignored, thanks to the threat of a White pin on the long diagonal. Rh5 33...Nxe5 34.Rxe5 Rxe5 35.Bc3 33...Rxe5 34.Rxe5 Nxe5 35.Bc3 34.Rh1 White would be happy to trade down, of course, with a material and space advantage and much stronger king position. Nxe5 in fact the best try, but everything loses at this point. 35.Bc3 Kg8 36.Qxh5 White was forced to find this to maintain her strong winning advantage, but now it's all over. gxh5 37.Bxe5 1–0
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WhiteEloWBlackEloBResECORnd
Tokhirjonova,G2336Abrahamyan,T23081–0C027

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