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Zurab Azmaiparashvili vs Alexey Shirov
Lvov Zonal (1990), Lvov URS, rd 3, Feb-??
English Opening: Anglo-Indian Defense. Queen's Knight Variation (A16)  ·  0-1

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
0-1

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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sac: 36...Qxf1+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Jul-19-23  King.Arthur.Brazil: Very simple: 35...Rxc6 (36. Qxc6 Qxf1#) 36. bxc6 Rb1 37. f4 (or any move) Qxf1+ 38. Qxf1 Rxf1#. Refusing doesn't help: 36. Rxc2 Qxc2 37. Qxc6 Qxc6 38. bxc6 Rb1 and mate next. Today is Monday? lgs.
Jul-19-23  JeffRS: 36. Qe2 is not a defense, it is not even a good try. After 36. . . Rxc3 W. is two pieces down with no counterplay.
Jul-19-23
Premium Chessgames Member
  GoldenKnight: <Mayankk: I thought the answer was 35 ... Rxc6 36 bxc6 Rb1, followed by 37 ... Qxf1+ 38 Qxf1 Rxf1#.

36 ... Qxf1+ is certainly more flashy but maybe the humble 36 ... Rb1 works as well.>

I must have been reading your mind when I came up with my solution. Then I saw your post. My further impression is that this line would induce quicker resignation, even though the line actually played is flashier, as you pointed out.

Jul-19-23
Premium Chessgames Member
  takebackok: Easy peasy more like a Mon/Tues puz.
Jul-19-23  Allderdice83: Funny, I didn't see it from White's POV. Then I flipped the board to Black's side, and I saw it right away. Of course, I'd have played 36 ... Rb1 rather than 36 ... Qxf1+. Either works, though. White is just so dead.
Jul-19-23
Premium Chessgames Member
  An Englishman: Good Evening: Not hard, but beautiful. White's already in trouble, but 33.Nd4 shortened the game, didn't it?
Jul-19-23
Premium Chessgames Member
  al wazir: I went with 35...Rxc6 36. bxc6 Rb1 37. any (except spite checks, which just postpone the inevitable) Qxf1+ 38. Qxf1 Rxf1#.
Jul-19-23  agb2002: Black has a rook and a pawn for a knight.

White threatens Rxc2.

The rook on b8 would like to go to b1. Therefore, 35... Rxc6 36.bxc6 (36.Qxc6 Qxf1#) 36... Qxf1+ (36... Rb1 allows a few spite checks) 37.Qxf1 Rb1 and mate in two.

Jul-19-23  mel gibson: Great puzzle today.

Stockfish 16 says mate in 8:

35. .. Rxc6

(35. .. Rxc6 (Rc8xc6 g3-g4 Rc6xc4 Rc3xh3 Qc1-a1 Kg1-g2 c2-c1Q Bf1xc4 Qc1-g1+ Kg2-f3 Qa1-f6+ Kf3-e4 Qf6-e5+ Ke4-f3 Qg1-h1+) +M8/112 23)

Jul-19-23
Premium Chessgames Member
  Check It Out: Count me in the Rb1 club.
Jul-19-23
Premium Chessgames Member
  scormus: Spent quite some time looking for the win with Nxe7+, before noticing it was B to play. At least that taught me it had to be 35... Rxc6 ;)
Jul-19-23  saturn2: Not a difficoult puzzle. White's troubles began with 19.a4 ignoring a knight fork and putting hopes on queenside pawns. But this strategy only caused troubles.
Jul-19-23  saturn2: Another winning move is 35.Qxf1+ After some exchanges material is even but the c2 pawn decides.
Jul-19-23  Lambda: I had 36...Bxf1 37.Qxf1 37.Qxf1 38.Kxf1 Rb1+ and 39...c1 since it's the first thing I looked at and it works.
Jul-19-23  parch2: 5...R:c6 to deflect the White Q,
36.bc6, Looked at 36...Rb1 first,

Went for 36...Q:f1+! 37.Q:f1 Rb1 wins

Jul-19-23  Pawn Slayer: I went 37 ....Rb1, which I think is equally effective.
Jul-19-23  Mayankk: One line worth mentioning is - what if White tries to unpin its Bishop on 33rd move via 33 Kg2 instead of 33 Nd4, which allows 33 ... Bh3 etc.

33 Kg2 falls to the deflection tactics 33 ... Bh3+ 34 Kxh3 Qxf1+ followed by 35 ... c1=Q.

Jul-19-23  TheaN: Not too difficult for a Wednesday. Looked at both 36....Rb1 and Qxf1+ and deemed the latter to be forcing so in principle better: objectively it's identical. Also, there's something more aesthetically pleasing about the final position than if Black would have played 36....Rb1.
Jul-19-23
Premium Chessgames Member
  chrisowen: Dern law its mib q v flick pug c its z Rxc6 abridge its axled duh its axiom jug anoint jip Rxc6 ear
Jul-19-23  Refused: 35...Rxc6! is curtains.

The pinned Bishop on f1, and the weakened backrank mean white will get mated before too long.

36.bxc6 Rb1 and white has no defense against the threat of Qxf1+ and Rxf1#

I see, Shirov went a slightly different route, by inserting 36...Qxf1+ before playing 37...Rb1

A bit more flash, but not changing the fundamentals.

Jul-19-23  Hercdon: I selected Qf1+ which while winning is not nearly as efficient
Jul-19-23
Premium Chessgames Member
  Teyss: <saturn2> <Hercdon> 35...Qxf1+ 36.Qxf1 Bxf1 37.Kxf1 Rxc6 (best) 38.Rxc6 Rxb5 39.Rxc2 Rxa5. Black got rid of the 2 linked passers on the Qside and has 2 extra Ps: good enough to win but less so than the game line.


click for larger view

Or 37...Rxb5 38.Nxe7+ Kf8 39.Nxc8 Rc5 40.Rxc2 Rxc2 41.Nxd6 and Black has to be careful about the a Pawn.


click for larger view

Jul-19-23
Premium Chessgames Member
  FSR: Like others, I went for the anodyne 35...Rxc6 36.bxc6 Rb1 0-1.
Jul-19-23
Premium Chessgames Member
  playground player: Sweet!
Jul-19-23
Premium Chessgames Member
  steinitzfan: That's what a Wednesday puzzle ought to be.
Just my take on it.
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