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Maia Chiburdanidze vs Vladimir P Malaniuk
"Oh Me Oh Maia" (game of the day Aug-05-2017)
URS-ch YM (1982), Odessa URS
Gruenfeld Defense: Exchange. Modern Exchange Variation (D85)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 35 times; par: 20 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Nov-20-20
Premium Chessgames Member
  hoodrobin: Very good Chiburdanidze!
Nov-20-20  Walter Glattke: Had some technical problems D2) wrong queen position, D1) found perpetual only so E) as in the match with 26.Qf4 Rf8!? (Al Wazir) 27.Nxe6 Rxf4 28.Nxf4# or 27.Nxe6 Qd7 28.Nd8+ Rf7 29.Bxf7+ Qxf7 30.Qxf7#
Nov-20-20
Premium Chessgames Member
  Messiah: Terrible!
Nov-20-20  Brenin: Nice puzzle, with plenty of variations to explore. As <al wazir> posted, 25 ... doesn't work: in fact, it leads to a pretty mate with 26 Qxf8+ Qxf8 27 Bxe6+ Qf7 28 Bxf7.
Nov-20-20  Brenin: The counter-sac 22 ... Rxe2 fails to 23 Rxe2 axb6 24 Qc4 Be6 (Qd7 25 Re7) 25 Nxe6 b5 26 Qd5 Qc6 27 Qxc6 bxc6 28 Nxc5 with a clear win.
Nov-20-20  morfishine: <22.Rxb6> removes the defender of <c4> activating white's pieces
Nov-20-20  Mendrys: <Messiah: Terrible!> Sometimes I find your responses so funny I find it hard to stop laughing. I keep envisioning some off-color curmudgeon in a sitcom randomly exclaiming something derogatory at no particular thing in particular for comic relief.
Nov-20-20  Mendrys: Pretty much as inconsequential control of a long diagonal as there ever was.
Nov-20-20  Brenin: <Mendrys> Exactly! I always imagine a combination of Victor Meldrew and Father Jack Hackett.
Nov-20-20
Premium Chessgames Member
  sackman: I saw as far as Qf4 then I got stuck. Bb5 is a very nice finish! Well done if you solved this.
Nov-20-20  Walter Glattke: I wonder, what happened after 22.Bg4! A) 22.-Rxe1+ 23.Qxe1 Qd8 24.Nxf7 Kxf7 25.Qe6# 22.-Qb8 23.Nxf7 Rf8 24.Be6 seems easy, what's wrong? (or not!?)
Nov-20-20  Walter Glattke: Ah, oversaw Bf5, wrong position
Nov-20-20  mel gibson: I considered the text move but I wasn't sure.

Stockfish 12 says that Black must lose its Queen:

22. Rxb6

(22. Rxb6 (♖b1xb6 a7xb6 ♗e2-c4 ♕c8-d7 ♘g5xf7
♕d7xf7 ♗c4xf7+ ♔g8xf7 ♕c1-c4+ ♗f5-e6 ♕c4-e4 ♖a8-d8 ♕e4xb7+ ♖d8-d7 ♕b7-f3+ ♗h8-f6 ♖e1-d1 ♗e6-c4 a2-a4 ♗c4-a2 g2-g4 ♖e8-d8 ♕f3-f4 ♖d8-e8 g4-g5 ♖e8-e6 ♖d1-d2 ♗a2-b1 g5xf6 b6-b5 a4xb5 ♗b1-f5 ♗h6-g5 ♖e6-e4 ♕f4-f3 h7-h6 ♗g5-f4 ♖e4xf4 ♕f3xf4 ♔f7xf6) +6.71/38 121)

score for White +6.71 depth 38

Nov-20-20  Walter Glattke: 22.Bg5 Rxe1+ 23.Qxe1 Bxg4 24.hxg4 Qxg4!? 25.Qe7 Qd7 26.Qxd7 Nxd7 27.Rxb7 Ne5 28.d7 not as strong as 22.Rxb6, but seems to win, too.
Nov-20-20  TheaN: Cannot take full credit, as somehow I imagined e6 as being attacked more than defended after <22.Rxb6 axb6 (Rxe2 23.Rxe2 axb6 24.Qc4 +-) 23.Bc4 Be6>.

Probably because I looked longer at 23....Rxe1+ 24.Qxe1 than the main line; and in that case it's true as Black removes a defender without removing an attacker (the queen replaces the rook).

After Be6, <24.Rxe6 +-> is somewhat obvious and probably the only winning line. White's attacking, the pieces do something whereas the rooks don't. After 24....fxe6? 25.Qf4 +- Black's rooks can't repair the damage and 24....Rxe6 25.Nxe6 +- is not all that much better.

Nov-20-20  Brenin: <Walter Glattke>: After 22 Bg4 (not g5) Rxe1+ 23 Qxe1 Bxg4 24 hxg4, the more cautious Qd7 looks better for Black than Qxg4 25 Qe7 Qd7 26 Qxd7 Nxd7 27 Rxb7. He's a P up, he can take over the e-file with Re8, and White's attack is over, so he can look forward to the endgame with some confidence.
Nov-20-20  tivrfoa: What about 25.Bxe6+?
Not as good as the game but probably white still better?
Nov-20-20
Premium Chessgames Member
  agb2002: White is one pawn down.

Black threatens Bxb1.

The black knight controls c4. This suggests 22.Rxb6 axb6 23.Bc4:

A) 23... Rxe1+ 24.Qxe1

A.1) 24... Be6 25.Nxe6

A.1.a) 25... fxe6 26.Bxe6+ Qxe6 27.Qxe6#.

A.1.b) 25... Qe8 26.Qd1 b5 (26... fxe6 27.d7 Qe7 28.d8=Q+ Rxd8 29.Qxd8+ Kf7 -29... Qxd8 30.Bxe6#- 30.Qxe7+ Kxe7 31.Bxb5 + - [B vs p]) 27.d7 Qe7 28.d8=Q+ Rxd8 29.Qxd8+ Qxd8 30.Nxd8 bxc4 31.Nxb7 + - [N vs p].

A.2) 24... Bg7 25.Qe7 Be6 (25... Bxh6 26.Qxf7+ Kh8 27.Qxh7#) 26.Bxe6 wins (26... fxe6 27.Qxg7#).

A.3) 24... Bf6 25.Nxf7 b5 26.Nd8+ wins (26... Bxc4 27.Qe8#).

B) 23... Be6 24.Rxe6

B.1) 24... fxe6 25.Qf4

B.1.a) 25... Rf8 26.Qxf8+ Qxf8 27.Bxe6+ Qf7 28.Bxf7#.

B.1.b) 25... Qd7 26.Bb5 Rf8 (26... Qxb5 27.Qf7#) 27.Bxd7 Rxf4 28.Bxe6+ Rf7 29.Bxf7#.

B.2) 24... Rxe6 25.Nxe6 (25.Bxe6 fxe6 26.Qc4 b5 looks bad for White) 25... fxe6 26.Qe3 Kf7 27.Qf3+ (overburdening the black queen)

B.2.a) 27... Bf6 26.Bg5 Qd8 27.Bxf6 Qxf6 28.Qxb7+ wins decisive material.

B.2.b) 27... Kg8 28.Qe4 Kf7 29.Bxe6+ Qxe6 30.Qxb7+ as above.

B.2.c) 27... Ke8 28.Bb5+ wins.

C) 23... Rf8 24.Bxf7+ Rxf7 25.Qc4 Qd7 26.Re7 wins.

Nov-20-20  devere: 24...Rxe6 is a better defense, but White can still win with 25. Nxe6 fxe6 26. Qe3 Kf7 27. Qf3+ Kg8 28. Qe4 Kf7 29. Bxe6+ Qxe6 30. Qxb7+ Kf6 31. Qxa8 Bg7 32. Qd8+ Kf7 33. Qc7+
Nov-20-20  Walter Glattke: Brenin - leading off the queen with Qxg4 for free space is of course wrong, 22.-Qd7 23.Qxc5 Bg7 24.Bxg7 Kxg7 25.Qd4+ Kg8 26.Qf6 or 23.-Rc8 24.Qa5, I see an instant attack to black, not a draw ending, but, not to compare to 22.-Rxb6, that's clear.
Nov-20-20
Premium Chessgames Member
  Jimfromprovidence: I got lost in the weeds after diverting from the text with 24...Rxe6. I see that <agb20002> and later <devere> both got solved this variation.

After their line 25. Nxe6 fxe6 26. Qe3 Kf7 27. Qf3+ Kg8 here is the position.


click for larger view

I saw 28 Qe4 (threatening 29 Bxe6+) but thought that 28...Kf7 would cover that.


click for larger view

But white plays 29 Bxe6+ anyway, forcing 29...Qxe6 30. Qxb7+ Kf6 31. Qxa8 Ke5 32.Qxh8+ Kxd6 33.Qxh7.


click for larger view

Nov-20-20  King Harvest: Bb5! Beautiful and unusual.... Well done Maia! I haven't kept up with the POTD lately... is the female representation here a response to the (perplexing from my perspective) popularity of the The Queen's Gambit, on Netflix?
Nov-20-20  cormier: Aug-12-07 sanyas: If 21...♕c6, 22.♖xb6 ♕xb6 23.♗c4 ♗b2 24.♖xe8+ ♗xe8 25.♕f4.

Clearly 19...♗f5 was correct.

Aug-05-17 RandomVisitor: 19...Bf5 20.Rb5 c4 or 19...Bd7 20.Bh6 Qc6 and black is even.

Nov-21-20  saturn2: <cirmier 19...Bd7 20.Bh6 Qc6 and black is even> 20...Bh8 in the gsme was the reason for blacl's diagonal troubles.
Aug-13-21  tibone: Which tactical motifs (elements) play a role?
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