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Florin Gheorghiu vs Svetozar Gligoric
Hastings (1964/65), Hastings ENG, rd 7, Jan-03
Gruenfeld Defense: Three Knights Variation. Petrosian System (D91)  ·  0-1

ANALYSIS [x]

FEN COPIED

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sac: 25...Rxd3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jul-23-05
Premium Chessgames Member
  Gypsy: < Elvis in Chicago: How does black finish? He can't go the Queenside to pick up the pawns, becasue white has a passed f pawn. ...> Black gets the more remote passed pawn. Here is a possible continuation...36.b4 fxg3+ 37.Kxg3 Kf5 38.a3 Kg5(!) 39.f4 Kf5 40.Kh4 Kxf4 41.Kxh5 Ke4 42.Kg4 Kd4 43.Kf4 Kc4 44.Ke4 Kb3 45.Kd3 Kxa3 46.Kc3 a6 ... zugzwang.
Jul-23-05
Premium Chessgames Member
  Gypsy: < BipolarChessorder: ... Why not 28...Rxd3 29. Rxd3 Ke5 30. Kd2 Bxd3 31. Kxd3 Kf4 32. Ke2 Kg3 whereby black appears to gain an extra pawn on the kingside?> But 30.g3 (instead of 30.Kd2) complicates matters -- eg., 30... f6?! 31.f4+ Ke6 (31...Ke4? 32.Kd2 breaks the pin) 32.g4 Be4 33.Kd2 Bxd3 34.Kxd3 Kd5 35.b3! ... and White seems quite healthy.
Jul-23-05
Premium Chessgames Member
  OhioChessFan: <Benzol>, I realize you meant 32....Kg5 in your line, but what about 33 Ke4? Doesn't that hold the opposition, with g3 in reserve if a move needs to be lost?
Jul-23-05  The beginner: Very interesting puzzle.

I did see the tactic around d3. But i could not see the continuation 28 ..g5

Jul-26-05  patzer2: Gilgoric's 25...Rxd3! is a daily puzzle solution, utilizing the pin tactic as a deflection to force a won king and pawn ending.
Feb-27-21
Premium Chessgames Member
  An Englishman: Good Evening: Superb ending; the combination is easy to see, but the key to claiming credit consists of understanding how to win the pawn ending.
Feb-27-21  mel gibson: Didn't see it.
Stockfish 13 agrees with the text line:

25... Rxd3

(25. .. Rxd3 (♖d8xd3 ♖d1xd3 ♗e6-f5 ♔b1-c2 ♖a8-d8 ♖h1-d1 g6-g5 h4-h5 g5-g4 f3xg4 ♖d8xd3 ♖d1xd3 ♗f5xd3+ ♔c2xd3 ♔f6-g5 ♔d3-e3 ♔g5xg4 ♔e3-e4 ♔g4xh5 ♔e4-f5 ♔h5-h4 ♔f5-f4 a7-a5 ♔f4-f3 ♔h4-g5 ♔f3-g3 h6-h5 b2-b3 h5-h4+ ♔g3-h3 f7-f5 a2-a3 f5-f4 ♔h3-h2 ♔g5-g4 ♔h2-g1 ♔g4-g3 ♔g1-f1 b7-b6 ♔f1-g1 h4-h3 g2xh3 ♔g3xh3 ♔g1-f2 ♔h3-g4 a3-a4 f4-f3 ♔f2-f1 ♔g4-g3 ♔f1-g1 f3-f2+ ♔g1-f1 ♔g3-f3 b3-b4 a5xb4 a4-a5 b4-b3) +6.11/45 194)

score for Black +6.11 depth 45

Feb-27-21  virginmind: I've seen the exchange sacrifice on d3 and then the bishop pinning on f5, then I thought white king needs to come defending but better bring the rook first and I didn't see a reason for black to exchange the pieces so not much sense in sacrificing the exchange...

I thought that after simplyfying to pawns, most black can get is a draw - the two pawns on the queen side are blocked, and the two on the king side, well, after exchanging one, both kings would have to walk around, either defending the pawn left on the king side, or protecting those blocked on the queen side. And of course the engine gives -6...how on earth someone lower than expert strength could see/calculate all that winning line beforehand? Just too difficult for me. I, for one, wouldn't have sacrificed the exchange...:)

Feb-27-21  Walter Glattke: Change for won pawn ending, Generalabtausch, simplification:25.-Rxd3 26.Rxd3 Bf5 27.Rhd1 Rd8 28.Kc2 Rxd3 29.Rxd3 Bxd3+ 30.Kxd3 Kf5 31.Ke3 g5 32.g3 gxh4 33.gxh4 h5 34.b3 b5 35.a4 bxa4 36.bxa4 not a5 36.-Ke5 37.a6 f5 the winner, e.g. 38.f4+ Kd5 39.Kd3 a6 40.Ke3 Kc4 (not Kxa5, get draw) 41.Kf3 Kd3 stockfish plays g4 f3xg4!? maybe f4 is more complicated: g3 Kc3 RxR+ RxR BxR Kxd3 Kf5 Ke3 Kg4 Ke4 Kxh5 Kf5 Kh4 Kf6 Kg4 f5 h5, but black wins here, I see.
Feb-27-21  RandomVisitor: 25.b3 restores the balance, instead of the losing 25.Bd3, which allows a clever pin and exchange into a winning king and pawn ending:


click for larger view

Stockfish_21022022_x64_modern:

<44/49 21:51 -0.07 25...Rac8 26.Kb2> Re8 27.Bd3 Rc5 28.Rhe1 Rec8 29.Bb1 h5 30.Rd4 g5 31.hxg5+ Rxg5 32.Rf4+ Kg7 33.Re2 Rd8 34.Bc2 b6 35.Rh4 Rgd5

44/54 21:51 -0.07 25...Re8 26.Bd3 Rac8 27.Rhe1 Rc5 28.Kb2 Rec8 29.Bb1 h5 30.Rd4 g5 31.hxg5+ Rxg5 32.Rf4+ Kg7 33.Re2 Rd8 34.Bc2 b6 35.Rh4 Rgd5

Feb-27-21  RandomVisitor: After 28...g5 it is game over, there is no approach by white at this point that can save the half point under best play, 29.h5 is a nice try:


click for larger view

Stockfish_21022022_x64_modern:

<37/60 36:17 -9.49 29.h5 Rxd3 30.Rxd3 g4> 31.f4 g3 32.Kd2 Bxd3 33.Kxd3 Kf5 34.Ke3 Kg4 35.f5 Kxf5 36.Kf3 Kg5 37.Kxg3 Kxh5 38.Kf4 Kh4 39.g4 a555.Ke5

37/57 36:17 -10.01 29.Kc1 Rxd3 30.hxg5+ Kxg5 31.Rf1 Kf4 32.Rh1 Rd6 33.Rh5 Rc6+ 34.Kd1 Bg6 35.Rb5 b6 36.a4 Kg3 37.b4 Rd6+ 38.Kc1 Kxg2 39.f4 h5

37/57 36:17 -10.03 29.Rh1 Rxd3 30.g4 Rxf3+ 31.gxf5 g4 32.Re1 g3 33.Re8 Kxf5 34.Rg8 Kf4 35.h5 Rf2+ 36.Kb3 g2 37.a3 f5 38.Ka2 Kf3 39.Rg7 Rf1

37/61 36:17 -10.08 29.hxg5+ Kxg5 30.Kc1 Rxd3 31.Rh1 h5 32.g4 Bxg4 33.fxg4 hxg4 34.Rh7 Kg6 35.Rh8 f5 36.Rg8+ Kf6 37.Rf8+ Kg5 38.Rf7 g3 39.Rxb7 a5

Feb-27-21
Premium Chessgames Member
  agb2002: The alignment of the white bishop and king on the b1-h7 diagonal suggests a liquidation of pieces to attack White's kingside pawns: 25... Rxd3 24.Rxd3 Bf5 25.Rhd1 Rd8 26.Kc2 g5:

A) 27.hxg5+ Kxg5 28.g3 (28.Kc3 Rxd3+ 29.Rxd3 Bxd3 30.Kxd3 Kf4 looks winning) 28... h5 29.Kc3 Rxd3+ 30.Rxd3 Bxd3 31.Kxd3 f5, with the idea of creating a passed h-pawn, seems to win.

B) 27.g3 gxh4 28.gxh4 Kg6 29.Kc3 Rxd3+ 30.Rxd3 Bxd3 31.Kxd3 Kh5 32.Ke3 Kxh4 33.Kf4 Kh3 and White's f-pawn ruins any attempt to trap the black king on the h-file.

C) 27.h5 g4

C.1) 28.fxg4 Bxd3 29.Rxd3 Rxd3 30.Kxd3 Kg5 31.Ke4 Kxg4 32.Ke5 Kxh5

C.1.a) 33.Kf6 Kg4 34.Kxf7 h5 35.Kg6 h4 36.Kh6 Kg3 37.Kg5 a5 and Black will capture the g-pawn and the a- and b-pawns when appropriate.

C.1.b) 33.Kf5 Kh4 34.Kf4 h5 and White will be obliged to liberate the black king.

C.2) 28.f4 g3 (prevents White's g3) 29.Kc3 Rxd3+ 30.Rxd3 Bxd3 31.Kxd3 Kf5 32.Ke3 Kg4 33.Ke4 Kxh5 34.Kf3 Kh4 looks winning.

Feb-27-21
Premium Chessgames Member
  OhioChessFan: I thought it was rather easy. Some endgames just logically play themselves.
Feb-27-21  TheaN: Somehow I pictured the g5 idea, but discarded it again. I'm not sure why; I think I did see this pinnacle of simplification before. Ended up going with 28....Rxd3 29.Rxd3 Ke5, but in hindsight the idea of following up with g5 is defendable, given White can squeeze in 30.g3=.

The <28....g5!> idea is very simple, yet so deceptively complex in practice. Black forces a break in White's pawn structure, and let that be the nail in the coffin in the pawn endgame.

Gheorghiu eased it up with 29.hxg5+? after which of course 29....Kxg5 is an easy win; outside pawns win. Instead, 29.h5 g4! would have been way more complicated and others have explained this before me. Crucial endgame to know, really, so bit bummed out I settled on the Ke5 idea so quickly after discarding g5.

Feb-27-21  saturn2: I saw black can clear off pieces by 25...Rxd3 which should favor black because his king is in a more active position.

In the last 2 weeks this is the second example of white losing a Bg5 Gruenfeld. I stopped playing Bg5 long ago. I did not get much out of it.

Feb-27-21
Premium Chessgames Member
  chrisowen: Make happy Rxd3 fluffs abattoir avid labels agincourt quack make happy blissful bigots give vite keys chef french hq window dj on its photon glint tina dan kestrel dosa crew fritz change duck keen doctor fleeced addinups goodness keys ihasco a bluff honour vid peas it twig Rxd3 i doh:
Feb-27-21
Premium Chessgames Member
  HeMateMe: Always create the outside passed pawn.
Feb-27-21  Refused: 25...Rxd3! 26.Rxd3 Bf5 27.Rd1 Rd8 28.Kc2 g5!! (the actual key move) looks logical, simply going for a better pawn ending with the more active and thus superior king.
Feb-27-21
Premium Chessgames Member
  thegoodanarchist: routine puzzle book stuff, if you ask me.
Feb-27-21  Walter Glattke: The crux is, white cannot only take the h-pawn, no, he must, and the black king then get white a- und b-pawn, self defense of black pawns, e.g. Pb5-Pa4 wKb4, taking the upper one, the under one then runs through.
Feb-27-21
Premium Chessgames Member
  chrisowen: Captain elwes fade it on g5 um picker deaf ear no?
Feb-27-21  King.Arthur.Brazil: Sometimes the player gave up, but one said "why, if the material is even"? Well, the called "time" (his turn to play) is the answer. Following 36. a3 a6 37. b3 a5 38. b4 a4 39. ♔g2 fxg3 40. ♔xg3 h4+ 41. ♔g2 ♔f4 (or even 38.a4 b4, doesn't matter), then if white play 42. ♔f2 h3, he lose the ♙ f3 and has to capture the one from opponent at h3. So, he is forced to 42. ♔h3 ♔xf3 43. ♔xh4. Black King will capture all Q-side pawns before white can protect them and game over. Today, I complete 12y in this site. Thank you so much, Chessgames.
Feb-27-21  Cheapo by the Dozen: It was easy to see that Black could force an exchange of all the pieces at d3, and only a little harder to check that Black's only real chance for a win was to get to the kingside first with his king. But I had little idea how to calculate the endgame from there.
Feb-27-21  Brenin: Even without the initial rather obvious "sacrifice" of the exchange, Gligoric's method of creating the threat of a distant passed P on the K-side, leading up to the offer of the f-pawn with 34 ... f4+, is very instructive, and well worth remembering for future use.
Feb-27-21
Premium Chessgames Member
  ajk68: Pretty straightforward in principle. The exchange of sac-pin combination would give the king the tempo it needed to attack the king side.

It seems the critical move is g5!, giving giving further access of the king to needed squares.

The backwardness of the pawn on g2 is a weakness. It effectively reduces the number of tempi white has available; the time spent shoring up the defense of the pawn loses a tempo.

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