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Evgenij Agrest vs Etienne Bacrot
European Team Championship (2001), Leon ESP, rd 7, Nov-13
Gruenfeld Defense: Exchange. Modern Exchange Variation (D85)  ·  1-0

ANALYSIS [x]

FEN COPIED

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sac: 23.fxg6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Mar-29-06  Whitehat1963: Nice little puzzle after 34...Qxe5.
Dec-15-07
Premium Chessgames Member
  TheAlchemist: Weird, not in a single game collection.
May-19-12  vinidivici: is it whites 25th move Qg4 is a correct move? is it that strong? u know sacrificing the bishop....
Apr-14-18  SpiritedReposte: <35. Rg8+!> If <...Kxg8 exf7+> and suddenly the queen is hanging.
Aug-29-18
Premium Chessgames Member
  plang: In Krasenkov-Svidler Poanica Zdroj 2000 Black played 17..Qa3 and White went on to win; 17..a5 was new. Davies was critical of 23..Nxd3? recommending 23..fxg 24 Rxb5..Nxd3 25 Qxd3..Rc3 26 Qb1 when Blaxk has a good game.
Mar-02-22  Brenin: If White can capture Black's N with check, then Qxe5 wins the Q, so 35 Rg8+ Kxg8 ( 35 ... Ke7 36 Qxf7+ Kd6 37 Rxe5 Rxf7 38 exf7 with an easy win) 36 exf7+ Rxf7 (or Kg7 or Kf8) 37 Qxe5, with Q+R vs 2R.
Mar-02-22  landshark: I saw Rg8+ but had the wrong followup to ...Ke7. No cookie today
Mar-02-22  mel gibson: There were so many lines to investigate
that I missed the correct line.

Stockfish 14 agrees with the text line:

35. Rg8+

(35. Rg8+ (♖g1-g8+ ♔f8-e7
♕f5xf7+ ♔e7-d6 ♖h5xe5 ♖a8xg8 ♕f7xg8 ♔d6xe5 ♕g8-g3+ ♔e5xe6 ♕g3xc7 a5-a4 ♕c7-c6+ ♔e6-e7 ♕c6xb5 a4-a3 ♕b5-b4+ ♔e7-d7 ♕b4xa3 ♔d7-e6 h2-h4 ♔e6-e5 h4-h5 ♔e5-e6 h5-h6 ♔e6-f6 h6-h7 ♔f6-g7 ♕a3-e7+ ♔g7-h8 ♕e7-h4 ♔h8-g7 h7-h8♕+ ♔g7-f7 ♕h4-f6+) +M18/47 135)

White wins _ mate in 18.

Mar-02-22
Premium Chessgames Member
  al wazir: It seems to me that the straightforward 35. Rh8+ Ke7 36. Qxf7+ Kd6 37. Rd1+ Kc6 (37...Kc5 38. Rh5 Rxf7 39. Rxe5+) 38. Rc1+ Kb7 39. Qxc7+ Qxc7 40. Rxc7+ Kxc7 41. Rxa8 is perfectly adequate.
Mar-02-22  newzild: Got it �wrong� today - same line as <al wazir>, though it seems perfectly adequate.
Mar-02-22
Premium Chessgames Member
  Jabot: @al wazir

If 35 Rh8+ why not just Qxh8?

Mar-02-22
Premium Chessgames Member
  agb2002: White has a pawn for a knight.

White can win the exchange with 35.Qxe5 Nxe5 36.Rh8+ Ke7 37.Rxa8.

Another option is 35.Rg8+:

A) 35... Kxg8 36.Qh7+ Kf8 37.Rxe5 Rc1+ (37... Nxe5 38.Qxc7 and if the knight moves then 39.Qf7#) 38.Kg2 Nxe5 39.Qh8+ Ke7 40.Qxa8

A.1) 40... Kxe6 41.Qxa5 and if 41... Rb1 then 42.Qa2+ wins the rook.

A.2) 40... a4 41.Qb7+ Kxe6 42.Qxb5 Ra1 (42... a3 43.Qb3+ and 44.Qxa3) 43.Qb2 followed by Qa2+ and Qxa4.

A.3) 40... Nc6 41.Qc8 (or 41.Qb7+ Kxe6 42.Qxb5) must be winning. For example, 41... b4 42.Qd7+ Kf6 43.f4 Ne7 44.Qd4+ Kg6 (44... Kxe6 45.Qe3+ and 46.Qxc1) 45.Qe4+ Kh6 46.f5 with many threats (Qf4+, Qh4+, f6).

B) 35... Ke7 36.Qxf7+ Kd6 37.Rxe5 Rxf7 (37... Rxg8 38.Qxg8) 38.exf7 wins decisive material.

Mar-02-22  saturn2: White can have more than regain the piece. I took 35.Qg6 The black queen has no good square and Qg8, Qxf7 can follow.
Mar-02-22  saturn2: Also 35...Qf4 is no help
35.Qg6 Qf4 36.Rf5 Qe4+ 37.f3
Mar-02-22  AlicesKnight: I found the right line with Rg8+. Capture would bring exf7+ followed by loss of he Black Q, so ... Ke7 and then Qxf7+ also leads to material gain. Pretty finish.
Mar-02-22
Premium Chessgames Member
  scormus: Not difficult to find a win, but more difficult to find the "best" line.

I missed Rg8+! so no credit today. Instead I fancied 35 e7+ which is not so decisive and leaves W with a bit more work to do.

35 Qg6 also wins decisively (SF was hard pressed to decide between that and Rg8+) but after comparing the analyses I thought the text led to a cleaner and more elegant finish.

Mar-02-22  TheaN: Would argue White has a couple of ways to win here, but I eyed on <35.Rg8+!> first leading to a forced, decisive gain and exchange of pieces.

Whilst accepting the sac might seem as the better option, after 35....Kxg8 36.exf7+, the point, Black has no proper defenses once the queen is lost. 36....Rxf7 37.Qxe5 threatens Rh8#, so Ra8 will fall and mate will soon follow.

Bacrot opted to decline the sac, I think <35....Ke7>, and it requires a bit of accuracy from White. <36.Qxf7+ Kd6> this position is rather unique as <all> pieces are in:


click for larger view

The careless 37.Qxc7+? Kxc7 38.Rxe5 Rxg8 39.Rxb5 Ra8= is a draw. Instead, <37.Rxe5! +-> defends the queen and wins, as 37....Rxf7 38.exf7 +- and 37....Rxg8 38.Qxg8 +-.

Mar-02-22  parch: 35.Rg8+ looks good 35...Ke7

(35...K:g8 36.ef7+ R:f7 37.Q:e5 )

36.Q:f7+ Kd6 37.R:e5 R:f7 38.ef7 R:g8
39.fg8/Q K:e5

Mar-02-22
Premium Chessgames Member
  chrisowen: Whisk hop a double Rg8+ glad axiomed v it jedi v it v aghast quosh jock cj gm grant v it z ie quiffer it quod bow it wink it v sikh it v i ship ploy it joins it meg rat z it v i flux quibbles duck wooh it very i arrive bet ado ghostarms he goof ha gbh grab go vat it v idiom it v i gab either hoof cc it eg dr it von back it wiggle tnt aid it v i hush it jedi t ch v it v i ji foo i v it v i hag fame it alp kid moon dt fo it v i ablush follow it v i as bid foo c foofi v it ho afflict hop bid dag cart car cd cab fed it eg ft drat ta v it fage it v jan c it v end fee it gg v it v cage it cg need it jig fc ar an its eg re it v at iced it need i tea ba it v cc rode it ve ft ceo dt greco dt bah v it v jive it gen it greats jig it even au star it v eg been nite taro c it v net i teen cab ro a cro v it ve bent ie ten v it a jigster it v gene it give it jen it vat stager it kin her cg i bam bah Rg8+ dip;
Mar-02-22
Premium Chessgames Member
  Willber G: I went for the simple - and wrong - 35.Qxe5 Nxe5 36.Rh8+ Ke7 37.Rxa8
Mar-02-22  Cellist: I decided on 35. Qg6, and the engine rates that +66.7 for White. There is just no good place to go for the Black Q. I saw that 35. QxQe5 wins at least the exchange. The engine also says it is clearly winning (+4.67). -- I looked at 35. Rg8+ but did not see it through to the end (my shame!) because I was too distracted by the other winning options.
Mar-02-22
Premium Chessgames Member
  Teyss: <scormus: Not difficult to find a win, but more difficult to find the "best" line.> Well said: also went for the 36.Qh7+ line after 35...Kxg8 but as analysed by <agb2002> White has to be careful about these Qside Ps after 40.Qxa8.

<Brenin> <AlicesKnight> and <TheaN> duly noted the simple 36.exf7+ is better.

Mar-02-22  DrWeevil: Also had the exchange of queens, leading to skewering king & rook. White looks good, but nowhere near as good as if you pick the right move!
Mar-02-22  Hercdon: Beautiful ending
Mar-07-22
Premium Chessgames Member
  al wazir: <Jabot: If 35 Rh8+ why not just Qxh8?> Duh.

Put it down to chess blindness. Thanks.

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