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Ivan Farago vs Pertti Poutiainen
Budapest Tungsram (1975), Budapest HUN, rd 5, Mar-??
Dutch Defense: Leningrad. Matulovic Variation (A89)  ·  0-1



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Given 24 times; par: 31 [what's this?]

Annotations by Florian Jenni.

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sac: 18...Nxf2 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Jun-03-07  chessamateur: One of those I'll put in the category of "I'll go over it sometime."
Jun-03-07  alshatranji: For a long while I focused on 16...fxg3. It looked like the best move, opening the lines for attack. I figured if White takes the knight, then Black will have a winnig attack. After a while, however, it dawned on me that Black doesn't have to accept the sacrifice. After 16...fxg3, 17. fxg3, Black doesn't seem to have anything decisive. This is when I returned to the other candidcate, 16...f6 (which I didn't like at first because it closes the lines). Needless to say, I didn't work out all the lines played in the game and the analsysis, but I saw enough to realize that 16...f6 is Black's best chance.
Jun-03-07  vibes43: <dzechiel: Gosh, all that work for the wrong line> But I like that you expose your thought process before checking the answer.

I went a little into the winning line (and other lines) but after studying the detailed notes for a while, I couldn't even remember my choice (guess).

Jun-03-07  Eurotrash: A quick glance and f3 seemed intuitivly the best move. Couldnt be bothered working out all the variations to end.
Jun-03-07  PositionalTactician: A really nice game!
Jun-03-07  MJW 72: ...f3!! Did not even see it!
Jun-03-07  jokerman: can someone please axplain why white resigned??? i don't understand, please send me if you want. and i really didnt see the knight sac.
Premium Chessgames Member
  ClassZPlaya: Totally missed this one and I don't fully understand that 16. ... f3 wins. For example, how does Black continue if White plays 17. Bf1 - instead of the incomprehensible (to me) 17. Bxf3?
Jun-03-07  Gilmoy: Inventory: Black has threats at h2, 4 pieces in the attack, a 5th (Ra8) one move away. Black's Bg7 is trapped behind pawns, so it's likely a non-factor. Black's N is pinned to his Q, and has no check. Looks like we're sacking it.

First idea: 16.. fxg3 (doubles on h2) 17.hxg4 Bxg4 and Black looks winning: 18.f3 Rxf3 (threatens Qh2#), 19.Bxf3 Bxf3 (forks Q and Qh1#). 18.Qd3 (to capture on f2 with the R) Qh2+ 19.Kf8 gxf2 (forking fxe1=Q+ and Qg1#) 20.Rxf2 Rxf2+ 21.Kxf2 Rf8+ recovers the B, and Black is two pawns up with mate threats.

So Black can't take the N. 17.Rf1 looks solid -- the pin on Black's N means White can just trade Rs on f2, and Black eventually must retreat with Nf6.

Second idea: Let's break that pin. 16.. f3 Can White take it and live? 17.Bxf3 Qxh3 18.Bg2 (Bxg4? Bxg4 skewers Q and Bf3) Qh2+ 19.Kf1 and the same f2-sac will collect the B: 19.. Nxf2 20.Rxf2 Rxf2+ 21.Kxf2 Rf8+ 22.Ke3 Qxg2 Black has 1 pawn and a huge attack: 23.Qe2 Qxg3+ 24.Kd2 Rf2, 23.Rg1 Qf2+ 24.Kd3 Rf3+, 23.Re2 Qxg3+ 24.Kd2 Bg4.

So White will decline the pawn. 16.. f3 17.Bf1[] Rf6. White's K is trapped, and he doesn't dare open h himself (hxg4 Bxg4-Rh6-Qh1#). Can Black sac to force h open? 18.Qd3 (allows Nd1 and Qf1, also gets off the d1-g4 diagonal to avoid Bg4 - f2+ in some lines) Nxf2 19.Kxf2(!) Bxh3 20.Bxh3 Qxh3 21.Rg1 fizzle -- Black's P is blocking his Rs.

Let's try the N sac the other way: 18.. Nh2! (threatens 19.. Nxf1 20.Qxf1 Bxh3 skewering the Q and Bg2-Qh1#) 19.Kxh2[] Bxh3 (threatens 20.Kg1 Rh6) 20.Bxh3 g4 21.Qf1 My initial impression is that this holds -- but maybe it's a slow-motion forced win for Black, e.g. 21.. Rh6 22.Bc1 Qxh3+ 23.Qxh3 Rxh3+ 24.Kg1 Rf8 and Rf6-Bh6-B<any>-Rfh6. White can never play Kf1 (Rh1#), so his K isn't going anywhere, he can't reach h1 to defend it, and he doesn't have enough time to remove both of the f3-g4 pawns.

Alternatively, 18.. Nh2 19.Kxh2 g4 20.<Not h4>! and Black is stuck -- his Ps close too many lines, and his Q can't penetrate h3. I think 20.h4 loses for White -- Black has Bh6-g5 to rip h open, then Rh6. Delightful: 20.h4 Bh6 21.Bc1 (Black needs his B to sac vs. h4) Rf4! If White accepts, Black gets a 3-pawn steamroller: 22.gxf4 exf4 and Qxh4+, g3, etc. If not, Black pries h open with Bg5-xh4 and finishes with Raf8-f6-h6.

Double-check -- d'ohh. My off-the-cuff 18.Qd3 turned out to be huge in defense, by allowing Qf1 -- because I wasted a move with 17.. Rf6. Let's double-sac without that:

17.. f3 18.Bf1 Nh2! 19.Kxh2 Bxh3! 20.Bxh3 g4 and Black mates at g2.

Jun-03-07  Manic: <jokerman> Black will regain his piece with two additional pawns and is likely also to get the exchange.

<ClassZPlaya> The continuation after 17.Bf1 is annotated in the notes to the game: 17.Bf1 Nh6 and now:

i)18.Re3 Bxh3 19.Bxh3 Qxh3 20.Rxf3 Ng4 21.Qd3 Qh2+ 22.Kf1 Qh1+ 23.Ke2 Nxf2! 24.Rxf2 (24.Kxf2 Rf3+ 25.Qf3 Rf8) Rxf2+ 25.Kxf2 Rf8+ 26.Ke2 g4! 27.Nd1 (27.Rc1 Qg2+ 28.Kd1 Bh6 29.Qe2 Rf1+ 30.Kc2 Rf2) Qg2+ 28.Ke1 Qg1+ 29.Kd2 Rf3

ii)18.Kh2 Bxh3

iii)18.Bg2 Bxh3 19.Bh1 Bf1!! 20.Bxf3 Rxf3 21.Rxf1 Ng4 22.Kg2 Rxg3+! 23.Kxg3 Qh2+ 24.Kf3 Rf8+ 25.Ke2 Rxf2+ 26.Ke1 Rxf1+ 27.Kxf1 Ne3+ 28.Ke1 Nxc2+ 29.Kf1 Ne3+

Jun-03-07  Gilmoy: After I checked, I downloaded the PGN and waded through all of GM Florian's notes. I should have asked the contrapositive: "Can White *not* take this P and live?" White must have sensed that he couldn't -- the box he'd have been stuck in was just too small.

Amusing: Against 17.Bf1 Florian gives Nh6, even though this N won't participate in the mate, and cites 18.Kh2 as losing instantly -- precisely the point of my 17.. Nh2 :) I must have overlooked a goofball defense like 18.Bg2-h1, as Black can't give up his wonderful f3 pawn for a paltry B.

Jun-03-07  ounos: The first move is obvious; it's the only move that doesn't allow Q's exchange. If Bxf3 Qxh3, or if Bf1, and Black can retreat the Knight, in both lines "with attack", but I didn't explore any line thereafter.
Jun-03-07  ounos: btw, If 16. ... fxg3 then the simple 17. fxg3 is fine.
Premium Chessgames Member
  al wazir: After much thought I rejected 16...f3 in favor of 16...fxg3 because of 17. Bf1. And the elaborateness of Florian's analysis of that line suggests that my instinct wasn't far off, even though he finds a win for black.

But I think black also wins with 16...fxg3. If 17. hxg4, then 17...Bxg4 18. Qd3 Qh7+ 18. Kf1 Bh3, threatening 19...Qh1+. Now white has to play 19. Bxh3, whereupon black wins with 19...Qxh3+ 20. Kg1 (20. Ke2 Rxf2+) Qh7+ 21. Kf1 Rxf2+ 22. Rxf2 Qxf2#.

If white doesn't take the ♘ on g4, say, playing 17. f3, then black has 17...Nf2, with overwhelming control. So the only defense seems to be 17. fxg3. Now black has 17...Rf6, to be followed by 18...Rh6, or if white decides to play hxg4 after all, 18...Bxg4 followed by 19...Raf8.

<dzechiel>'s analysis seems to agree with mine, on the whole.

Too bad Poutainen died young.

Jun-03-07  alshatranji: What about Nh2 after 17.Bf1? If 18.Kxh2, then 18...Bxh3, 19.Bxh3 g4 wins.
Premium Chessgames Member
  SwitchingQuylthulg: <alshatranji> The move was already mentioned by <Gilmoy>, who analysed the same line as you. It would be a miracle if White could escape somehow by declining the knight; Black's many threats (strongest of them 18...Nxf1 19.Rxf1 Qxh3 and White has to sac his queen to stop mate, as well as the direct 18...Bxh3) force decisive gain of material.
Jun-03-07  sfm: Surprising with such an ferocious and deep attack so early. No wonder White was taken off guard. Where was the mistake?
Jun-03-07  alshatranji: Thank you SwitchingQuylthulg. I didn't see that. Gilmoy apparently analysed everthing.
Premium Chessgames Member
  fm avari viraf: The most logical moves are 16...f3 & fxg3 but I chose the latter as it opens up the f file & facilitates the attack. Then I chose the former & it turns out to be a cracker. A wonderful combination!
Jun-03-07  Gilmoy: <alshatranji:> Finding it on your own is good, too -- it means you're on the right track to pull it off OTB in a live game.

Since I started solving these puzzles earlier this year, I've noticed my play (on has gotten somewhat more vicious, and a lot more fun. I see sacs now that I never would have noticed before (and most of them even win, hehe).

Jun-03-07  pedrorib: What would I do in a real game? Of course it would be Ng6 :)
Jun-04-07  RandomVisitor: Rybka would play 12.c5, which was played in C D'Amore vs A Fernandes, 1987 1-0, and scores the position 0.35/16.

Jun-04-07  kevin86: An inspiring finish-started by a brave pawn move.
Dec-29-07  minasina: An inspiring Finnish.
Premium Chessgames Member
  nizmo11: The logical move 11...g5! was a theoretical novelty, played first in this game.
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