Alexey Shirov vs Joel Lautier (1995)

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Alexey Shirov vs Joel Lautier
Dos Hermanas 7th (1995), Dos Hermanas ESP, rd 1, Apr-22
Spanish Game: Morphy Defense. Modern Steinitz Defense (C75) · 0-1

ANALYSIS [x]

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Jun-04-17		RandomVisitor: After 27...Bxh4 white has no good choices click for larger view Stockfish_17052608_x64_modern: <36 minutes computer time> -3.07/41 28.Bd3 Bg5 29.Nf3 Bb5 30.Rc2 Ba4 31.Rxh3 Rxc1 32.Rxc1 Bxd1 33.Rxd1 Qb7 34.Nxg5 hxg5 35.Rdh1 f5 36.g4 fxe4 37.Rh8+ Kf7 38.Rxf8+ Kxf8 39.Bxe4 Qxb4 40.Rh8+ Kf7 41.f3 Qd2+ 42.Kh3 Qc1 43.Kg2 Qe3 44.Rd8 Qe2+ 45.Kg3 Qb5 46.Rc8 Qc5 47.Rd8 Qg1+ 48.Kh3 Ke7 49.Rc8 Qf1+ 50.Kh2 Qc4 51.Kg3 Qc3 52.Kg2 Kf7 53.Rh8 Qc4 54.Kg3 Qf1 55.Rd8 Ke7 -3.07/41 28.Nf3 Bg5 29.Bd3 Bb5 30.Rc2 Ba4 31.Rxh3 Rxc1 32.Rxc1 Bxd1 33.Rxd1 Qb7 34.Nxg5 hxg5 35.Rdh1 f5 36.g4 fxe4 37.Rh8+ Kf7 38.Rxf8+ Kxf8 39.Bxe4 Qxb4 40.Rh8+ Kf7 41.f3 Qd2+ 42.Kh3 Qc1 43.Kg2 Qe3 44.Rd8 Qe2+ 45.Kg3 Qb5 46.Rc8 Qc5 47.Rd8 Qg1+ 48.Kh3 Qf1+ 49.Kh2 Qc4 50.Kg3 Qc3 51.Kg2 Ke7 52.Rg8 Qb2+ 53.Kg3 Kf7 54.Rd8 Kf6 55.Rg8 Qd2 56.Kh3 -3.92/41 28.gxh4 Nf4+ 29.Kh2 Bb5 30.Rc3 Ne2 31.Re3 Rxc1 32.Qd2 Qg4 33.Ng2 Rxh1+ 34.Kxh1 Nd4 35.Bd1 Qg6 36.Kh2 f5 37.Rg3 Qf6 38.exf5 Nxf5 39.Ra3 Nxh4 40.Kg1 Nxg2 41.Kxg2 Qh4 42.Kg1 Qc4 43.Qe1 Qd4 44.Rg3 Rf4 45.Bf3 Bd3 46.Qd2 g5 47.Bd1 Bc4 48.Qxd4 exd4 49.Ra3 Kg7 50.Ra7 Rf7 51.b5 Bxb5 52.Ra5 Bd3 53.Ra4 Rf4 54.f3 Kf6 55.Ra7 Bc4 56.Rxc7 Bxd5 57.Kf2 h5 -3.98/40 28.Nd3 Bg5 29.f3 Bxc1 30.Nxc1 Ng5 31.Rc3 Bh3+ 32.Kh2 f5 33.exf5 Bxf5 34.Bxf5 Qxf5 35.Kg2 Rb1 36.Qc2 Qxc2+ 37.Rxc2 Nxf3 38.Rf1 e4 39.Rcf2 Rxb4 40.Ne2 Re8 41.Rc1 Re7 42.Nc3 Rc4 43.Re2 Nd4 44.Re3 Nf5 45.Ree1 Re5 46.g4 Ne7 47.Kf2 e3+ 48.Kf3 Kf7 49.Rh1 Kf6 50.Rh5 g6 51.Rxe5 Kxe5 52.Kxe3 Nxd5+ 53.Kd3 Rxc3+ 54.Rxc3 Nxc3 55.Kxc3 Kf4 56.Kb4 Kxg4

Jun-04-17		devere: 27...Bxh4! 28.gxh4 Nf4+ 29.Kh2 Bb5! 30.Rc3 Ne2 click for larger view Black winds up at least a pawn ahead, and with a much better position

Jun-04-17		mel gibson: I wasn't sure about the first move. The computer agrees with the first few moves: 27. Rxc4 Bxh4 (27. .. Bxh4 (♗e7xh4 f2-f4 ♗h4xg3 ♔g2xg3 e5xf4+ ♔g3-g2 ♗d7-b5 ♖h1xh3 ♗b5xc4 ♔g2-h2 c7-c5 ♕d1-d2 c5xb4 ♗c1-b2 ♖a1-a2 ♗c2-b1 ♖a2xb2 ♕d2xb2 ♕c8-g4 ♕b2xb4 ♕g4-e2+ ♔h2-h1 ♖f8-e8 ♘e1-f3 ♕e2-f1+) +1.75/20 260) score for black + 1.75 depth 20

Jun-04-17		Walter Glattke: Black wins after 28.gxh4 Nf4+ 29.Kg3 Bb4 30.Bd3 (against Ne2) Nxd3! 31.Qxd3 Rxc1 32.Rxc1 Bxd3 33.Nd3 QP for RN

Jun-04-17		morfishine: <21.h4> looks awful; Perhaps White improves by initiating exchanges with <21.Bxa4> (and holds his breath) lol *****

Jun-04-17		Demna: Is not white winning a piece at 21: Bxa4?

Jun-04-17		RandomVisitor: <Demna>Black then has Ne2+ and Nxc1 winning the piece back.

Jun-04-17		RandomVisitor: A final look after 27...Bxh4 click for larger view Stockfish_17052608_x64_modern: <3 hours computer time> -3.07/46 28.Bd3 Bg5 29.Nf3 Bb5 30.Rc2 Ba4 31.Rxh3 Rxc1 32.Rxc1 Bxd1 33.Rxd1 Qb7 34.Nxg5 hxg5 35.Rdh1 f5 36.g4 f4 37.Rh8+ Kf7 38.Rxf8+ Kxf8 39.b5 Qa7 40.Be2 Qa4 41.Rh8+ Kf7 42.f3 Qa2 43.Kf2 Qa7+ 44.Kf1 Qe3 45.Rc8 Qc1+ 46.Kf2 Kg6 47.Ra8 Qc5+ 48.Kg2 Qc3 49.Kf1 Kf6 50.Rc8 Qc1+ 51.Kf2 Qc5+ 52.Ke1 Qg1+ 53.Bf1 Qe3+ 54.Be2 Qc5 55.Kf1 Kg6 56.Ke1 Qg1+ 57.Kd2 Qd4+ 58.Ke1 Qc5 59.Kf1 -3.07/46 28.Nf3 Bg5 29.Bd3 Bb5 30.Rc2 Ba4 31.Rxh3 Rxc1 32.Rxc1 Bxd1 33.Rxd1 Qb7 34.Nxg5 hxg5 35.Rdh1 f5 36.g4 f4 37.Rh8+ Kf7 38.Rxf8+ Kxf8 39.b5 Qa7 40.Be2 Qa4 41.Rh8+ Kf7 42.f3 Qa2 43.Kf2 Qa7+ 44.Kf1 Qe3 45.Rc8 Qc1+ 46.Kf2 Kg6 47.Ra8 Qc5+ 48.Kg2 Qc3 49.Kf1 Kf6 50.Rc8 Qc1+ 51.Kf2 Qc2 52.Kf1 Kf7 53.Kf2 Qc5+ 54.Ke1 Qg1+ 55.Kd2 Qe3+ 56.Ke1 Qc3+ 57.Kf2 Qc2 58.Rh8 -4.17/46 28.gxh4 Nf4+ 29.Kh2 Bb5 30.Rc3 Ne2 31.Re3 Rxc1 32.Qd2 Qg4 33.Ng2 Rxh1+ 34.Kxh1 Nd4 35.Bd1 Qg6 36.Kg1 f5 37.Rg3 Qf7 38.exf5 Qxf5 39.Kh1 Qxf2 40.Qxf2 Rxf2 41.Bg4 Bc4 42.Ne3 Bd3 43.Kg1 Ra2 44.Rg2 Ra1+ 45.Kf2 Be4 46.Rg1 Ra2+ 47.Kg3 Ne2+ 48.Bxe2 Rxe2 49.Ng4 Bxd5 50.h5 Re4 51.Rc1 c6 52.Rd1 Kf7 53.b5 Be6 54.Nh2 Re3+ 55.Kf2 Rh3 56.Nf1 cxb5 57.Rxd6 Rxh5 58.Rb6 Bd7 59.Rb7 Ke6 60.Ke3 -4.43/45 28.f3 Bg5 29.Nd3 Bxc1 30.Nxc1 Ng5 31.Rc3 Bh3+ 32.Kf2 f5 33.exf5 Bxf5 34.Bxf5 Qxf5 35.Kg2 Rb1 36.Qc2 Qxc2+ 37.Rxc2 Nxf3 38.Rf1 e4 39.Re2 Rxb4 40.Na2 Rc4 41.Rc1 Rxc1 42.Nxc1 Re8 43.Ra2 Re5 44.Ra4 Ng5 45.Rd4 Rf5 46.Rd2 Kf7 47.Nb3 Kf6 48.Na5 Rf3 49.Nc6 Rc3 50.Rf2+ Nf3 51.Ra2 Kf5 52.Kf2 Nh2 53.Ke1 Ng4 54.Ra7 Nf6 55.Rxc7 Rxg3 56.Ke2 Rg2+ 57.Kf1 Nxd5

Jun-04-17		morfishine: <RandomVisitor: <Demna>Black then has Ne2+ and Nxc1 winning the piece back> I'm not convinced of that. White can play <22.Qxe2> and no matter if black replies 22...Rxa4 or 22...Bxa4, White plays <23.Rxa4> followed by <24.Qxc4> and he's hanging on, barely *****

Jun-04-17		izimbra: Analyzing with Stockfish...it looks like 24.Rc3 was the losing move here. If White plays 24.Rxa8 then he can trade pieces to a drawn endgame. 24.Rc3 allows Ra1 and the Bxh4 capture, leading to a Black win, up a pawn and with better control of open files/diagonals.

Jun-04-17		agb2002: The material is identical. The knight is momentarily trapped. The bishop on c1 does not control f4 at the moment. This suggests 27... Bxh4: A) 28.gxh4 Nf4+ A.1) 29.Kg1(3) Rxc1 wins a pawn and keeps the attack (30.Qxc1 Ne2+ and 31... Nxc1). A.2) 29.Kf1 Bh3+ A.2.a) 30.Kg1 Rxc1 wins as above. A.2.b) 30.Rxh3 Qxh3+ 31.Kg1 (31.Ng2 Qh1#) 31... Rxc1 wins. A.3) 29.Kh2 Bg4 (29... Bb5 30.Rc3 Be2 31.Qd2, unclear) A.3.a) 30.f3 Bh5 A.3.a.i) 31.Kg1(3) Rxc1 as above. A.3.a.ii) 31.Qd2 Rxc1 looks winning (32.Qxc1 Qh3+ 33.Kg1 Ne2#). A.3.b) 30.Qd2 Bf3 A.3.b.i) 31.Nxf3 Qh3+ 32.Kg1 Qg2#. A.3.b.ii) 31.Rg1 Qh3#. A.3.b.iii) 31.Rf1 Qh3+ 32.Kg1 Qh1#. A.3.b.iv) 31.Kg3 Qg4+ 32.Kh2 Qh3+ 33.Kg1 Qxh1#. A.3.b.v) 31.Kg1 Qg4+ 32.Kf1 (32.Kh2 transposes to A.3.b.iv) 32... Be2+ wins. B) 28.Nf3 Bg5 29.Nxg5 Nxg5 with an extra pawn and attack. C) 28.Bd3 Bg5 with a similar conclusion as in B.

Jun-04-17		Jimfromprovidence: 32 Nf3, below, prevents 32...Qg5+. click for larger view I'm trying to figure out what black can do, maybe 32...Qf6, seeing 33...Qf6+. Looks complicated.

Jun-04-17		ChessHigherCat: <Jim from Providence: Looks complicated> That it does, but I think 32. Nf3 loses the exchange: ...Be2 33. Rxe2 Nxe2+ 34. Qxe2 Rxc1 (Black wins a rook and a bishop for a rook and knight). Lautier out-Shiroved Shirov, here, what a game!

Jun-04-17		RandomVisitor: <morfishine>The line I was thinking about was the sequence 21.Bxa4 Rxa4 22.Rxa4 Bxa4 23.Qxa4 "winning a piece" click for larger view but then 23...Ne2+ 24.Kh1 Nxc1 winning it back. Maybe I wasn't clear.

Jun-04-17		Once: This is an extreme example of "develop your worst placed piece". At first the black knight on h3 looks to be the star of the show. We are usually winning if we can get a knight that close to the enemy king. But actually this knight is not doing such a great job since it stops black's other pieces from invading. So we look for a way to relocate the knight to a better square. I spent a little while doodling with Nxf2, but couldn't get it to work. That's the point of Bxh4 - it deflects the g3 pawn and allows Nf4. Mmmm - the knight is much happier here. For the variations, see m'learned colleagues who have done their usual sterling job of dotting i's and crossing t's.

Jun-04-17		Jimfromprovidence: Here is another well-fought tactical battle between these two players. I recall that it was analyzed by John Nunn in his " Understanding Chess Move by Move", Lautier vs Shirov, 1990

Jun-04-17		ChessHigherCat: <Jim from Providence: Looks complicated> That it does, but I think 32. Nf3 loses the exchange: ...Be2 33. Rxe2 Nxe2+ 34. Qxe2 Rxc1 (Black wins a rook and a bishop for a rook and knight). Or the more forcing line: 32..Rxc1 33. Qxc1 Ne2+ 34. Rxe2 Bxe2

Jun-04-17		patzer2: Would have played 27...Bxh4! in blitz, so I had no problem picking it for today's Sunday puzzle solution. The obvious idea is to overload attackers on h3 after 28. gxh4 Nf4+ .

Jun-04-17		Patriot: <agb2002> <The material is identical. The knight is momentarily trapped. The bishop on c1 does not control f4 at the moment. This suggests 27... Bxh4> You make it sound too easy! :-) There are other tactical considerations here due to the pin on the c1-bishop (x-ray of rook to queen), Bg4 to try and remove the guard, and x-ray of Rf8 to f2 suggesting ...f5 or ...Nxf2 first. I'm not saying those are good ideas, but that there are more of "x and y exist therefore this suggests z" logic.

Jun-05-17		agb2002: <Patriot: ... You make it sound too easy! :-) There are other tactical considerations here...> Just a very basic rationale for a suitable starting point :-) The (often rushed) analysis should contain the precise details. This reminds me that I'm not checking my lines lately...

Jun-05-17		paavoh: The position at move 36 is reminiscent of a Hnefatafl game, White King is boxed in by the mobile Black forces.

Jun-05-17		Patriot: <agb2002> Sorry it just came across as "this is how I decided this idea and there were no other considerations" when it seems the position is set up for other tactical possibilities as well. Unless that's really all you considered before going into detailed analysis, it seems over-simplified. Your analysis skills are way above mine so it can easily be that you are homing in on good ideas much faster than me and discarding the ones that are worse or don't work at all. So I guess I didn't understand how you latched onto the game move so quickly and decided that was good enough to go into detailed analysis without further ado.

Jun-05-17		morfishine: <RandomVisitor> I see, thanks It looks though, at the very least, White can prolong, even giving up an exchange, with an adroit move-order improvement 21.h4 just seems dreadful and awful in the extreme *****

Jun-06-17		agb2002: <Patriot: <agb2002> Sorry it just came across as "this is how I decided this idea and there were no other considerations" when it seems the position is set up for other tactical possibilities as well. Unless that's really all you considered before going into detailed analysis, it seems over-simplified> Actually, part of what I consider is what I write as lines, which are far shorter and more concise (like formulas!) than a verbose description of all the tactical motifs I may find. Professional bias, perhaps :-)

Jul-06-17		RandomVisitor: After 20...bxc4: click for larger view Stockfish_17061704_x64_modern: <1 hour computer time> 0.00/45 21.Bxa4 Rxa4 22.Rxa4 Bxa4 23.Qxa4 Ne2+ 24.Kh2 Nxc1 25.Nxc4 f5 26.exf5 Ne2 27.Nf3 Rxf5 28.Qc2 Rxf3 29.gxf3 Bf4+ 30.Kh1 Qd7 31.Kg2 Bd2 32.Qxd2 Nf4+ 33.Kg1 Qxh3 34.Ne3 Qxf3 35.Re1 Nh3+ 36.Kf1 Nf4 37.Kg1 0.00/45 21.Rxa4 Rxa4 22.Bxa4 Bxa4 23.Qxa4 Ne2+ 24.Kh2 Nxc1 25.Nxc4 f5 26.exf5 Ne2 27.Nf3 Rxf5 28.Qc2 Rxf3 29.gxf3 Bf4+ 30.Kh1 Qd7 31.Kg2 Bd2 32.Qxd2 Nf4+ 33.Kg1 Qxh3 34.Ne3 Qxf3 35.Re1 Nh3+ 36.Kf1 Nf4 37.Kg1 0.00/45 21.Nxc4 Bb5 22.Bxf4 exf4 23.Bd3 Bxc4 24.Rxa4 Rxa4 25.Qxa4 Bxd3 26.Nxd3 Qf6 27.b5 f3 28.g3 Qc3 29.Qd1 Ra8 30.Qxf3 Ra3 31.Rd1 Bd2 32.Qg4 Qxd3 33.Qc8+ Kh7 34.Qf5+ Kg8 35.Qc8+ <-1.01/44 21.h4 c3 22.Nb1 Ne2+> 23.Qxe2 Bxc1 24.Rxa4 Bxa4 25.Bxa4 Rxa4 26.Nxc3 Rxb4 27.Nc2 Bb2 28.Nxb4 Bxc3 29.Nc6 Qxh4 30.Qd3 Bd4 31.Nxd4 exd4 32.Qxd4 Re8 33.f3 f5 34.Rf2 fxe4 35.Re2 Rb8 36.Qxe4 Qxe4 37.fxe4 Kf7 38.Rc2 Rb7 39.e5 dxe5 40.Rc6 Ke7 41.Kf2 Kd7 42.Rg6 Rb4 43.g3 Rb3 44.g4 e4 45.Ke2 Rg3 46.Kf2 Rf3+ 47.Ke2 Rb3 48.Kd1 Rd3+ 49.Ke2 Ra3 50.g5 hxg5 51.Rxg7+ Kd6 52.Rxg5 Rc3 53.Kf2

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