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Andrei Maksimenko vs Igor Glek
Copenhagen BSF (1995), Copenhagen DEN, rd 3, Mar-??
French Defense: King's Indian Attack (C00)  ·  1-0

ANALYSIS [x]

FEN COPIED

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sac: 30.Rxd4 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Dec-19-12  sarayu: First two moves were pretty easy. Didn't anticipate black's counterattack, so couldn't predict past #32. Some credit, i guess.
Dec-19-12  rhickma4: 32. Re8+ leaves Black with two unpalatable choices. Take the R and lose the Q, or play Kc7 and lose to 33 Rf8 Qxf8 34.Qf4+ to be followed with a N check winning the Q outright.
Dec-19-12  12.12.12: Easy enough.
32. Re8+

if 32. ... Kb7, then white plays NxQ followed by QxR.

if 32. ... Kc7
33. Rxf8 Qxf8
34. Qf4+ Kb7 (or Kc6)
35. Nd6+ (or Ne5+) winning the queen

and of course, the actual game continuation.

Dec-19-12  Jamboree: I looked at 32. Re8+ immediately -- first move I considered -- and didn't even bother analyzing the obviously horrible 32. ... Rxe8??.

Instead, I spend the whole time puzzling how white can win after 32. ... Kc7. I eventually rejected 32. Re8+ because I could find no obvious win after that obvious reply. In fact, I STILL can't see the win.

What am I missing? Here's the main line I came to a dead end with:

32. Re8+ Kc7 33. Rxf8 Qxf8 34. Qxd5 Bc5 35 35. Qd7+ Kb8 ... and then what? White can't move the knight because the pawn on f2 would hang with check and mate. Black seems to have enough bishops and queens criss-crossing all the diagonals that all the mate threats are thwarted.

An alternate line 34. Qf4+ Kc6 35. Qxd4 Qxf7 also seems to go nowhere.

Obviously I must be missing something, or this wouldn't be a puzzle of the day, but what is it? Help!

Dec-19-12  Conrad93: I thought it was black's turn...?
Another messed up puzzle.
Dec-19-12  Dr. J: <rhickma4: 32. Re8+ Kc7 33 Rf8 Qxf8 34.Qf4+ to be followed with a N check winning the Q outright>

Not precisely correct. Black can play 34...Be5 and hold his immediate losses to one piece. He is, of course, still completely lost.

Dec-19-12  Jamboree: Ahhhhh, while I was typing two different people gave the answer! In my "alternate line," after 34. Qf4+, black faces a dilemma -- he can't move to any black square, and whichever white square he chooses, he ends up with a different unpleasant reveal-fork: if 34. ...Kc6, then 35. Ne5+!; and if 34. ... Kb7, then 35. Nd6+! Either way the queen is exposed and is lost for a piece. Clever.

But definitely harder than a 2-star puzzle!

Dec-19-12  rilkefan: <Jamboree>, after 34.Qf4+ Kc6 35.Ne5+. 34...Kb7 35.Nd6+ and the queen holds d6.
Dec-19-12  rilkefan: Or what everybody said.
Dec-19-12  TheBish: A Maksimenko vs Glek, 1995

White to play (32.?) "Medium/Easy", White is down a pawn.

White wins with 32. Re8+! Kc7 (if 32...Rxe8 33. Nxd6, or 32...Bc8 33. Rxc8+! followed by 34. Nxd6) 33. Rxf8 Qxf8 34. Qf4+, winning the queen after 34...Kb7 35. Nd6+ or 34...Kc6 35. Ne5+.

Dec-19-12  Patriot: First I considered 32.Nxd6 Rxf3 33.Re8+ Kc7 and white's attack looks to be over.

So then I looked at 32.Re8+ Rxe8 33.Nxd6 Re1+ 34.Kh2 and black looks dead.

Dec-19-12  M.Hassan: "Medium/Easy"
White to play 32.?
White is a pawn down.

32.Re8+
<if...Rxe8 33.Nxd6 and Black Queen is lost>

32...........Kc7
33.Rxc1+ Rxc1
34.Nxd6 Rd8
35.Nf7
White wins the Queen for a Rook and should win

Dec-19-12  Helloween: <M.Hassan> 33...Bxc8 wins for Black in your line.
Dec-19-12  stacase: Took me way too long to see the obvious.
Dec-19-12  Bartimaeus: Brute force 32. Nxd6 doesn't really work. Then tried 33. Re8+ Rxe8 34. Nxd6 which wins the queen but remembering yesterday's puzzle, it seemed wise to look again before i leapt and this took me to 32. Re8+ Kc7 33. Rxf8 Qxf8 34. Qf4+ Be5 35. Qxe5+ and white has a winning position.

Well, the game line seems to have taken a different route. Must congratulate CG on its choice of puzzles this week. Its like peeling onions, you take out a layer and find another beneath. Worth the tears though :)

Dec-19-12  Abdel Irada: <<•>The Thirty-Second Move<•>>

Our puzzle is set at move 32, and it takes about 30 seconds to find and provisionally verify the key move:

<<•>32. Re8†...>

Now Black has to decide: to take, or not to take? First, let's assume he does.

<(1) 32. ...Rxe8>

Note that the pin is now broken. This means we can take the queen without losing our own.

<33. Nxd6...>

We now have a queen for a rook and pawn, but this doesn't mean the game is over. First, we must meet Black's counterplay.

<33. ...Re1†
34. Kh2, Re2>

Black threatens to even the score with ...Rxf2†. But now it's our turn again.

<35. Qf8†, Kc7
36. Ne8†!...>

Since 36. ...Rxe8 is obviously hopeless, Black has four king moves to consider.

<(1.1) 36. ...Kb8?
37. Qd6† >

Black will be mated: (a) 37. ...Kb7?; 38. Bc8†!, Ka8 (38. ...Kxc8?; 39. Qc7#); 39. Nc7†, Kb8; 40. Nxa6††, Ka8; 41. Qb8# or Qc6#, or (b) 37. ...Ka8; 38. Qd8†, Bc8 (38. ...Kb7; 39. Qc8#); 39. Qxc8#.

<(1.2) 36. ...Kd8
37. Nf6†, Kc7
38. Qf7† >

More mayhem: (a) 38. ...Kd8??; 39. Qd7#. (b) 38. ...Kd6; 39. Qxd5†, winning another piece. (c) 38. ...Kc6; 39. Qxd5†, ditto. (d) 38. ...Kb8; 39. Nd7† and one of (d.1) 39. ...Kb7; 40. Qxd5†, Kc7; 41. Qxd4, or (d.2) 39. ...Ka8; 40. Qg8†, Kb7 (40. ...Bc8??; 41. Qxc8#); 41. Qxd5†, Kc7; 42. Qxd4, or (d.3) 39. ...Kc8; 40. Nc5†, Kb8 (40. ...Kd8??; 41. Qd7#); 41. Nxa6†, Ka8; 42. Qxd5#, or (d.4) 39. ...Kc7; 40. Ne5† and now (d.4.1) 40. ...Kd8??; 41. Qd7#, or (d.4.2) 40. ...Kb8?; 41. Nc6†, Ka8; 42. Qxa7#, or (d.4.3) 40. ...Kd6; 41. Qd7†!, Kxe5 (41. ...Kc5; 42. Qc6#); 42. Qe6#.

<(1.3) 36. ...Kc6
37. Qd6†, Kb5>

Or (a) 37. ...Kb7?; 38. Bc8†!, mating as in variation (1.1), note (a).

<38. Bf1 >

Black loses everything.

<(1.4) 36. ...Kb7
37. Qf7† >

Cannon to the left of me...: (a) 37. ...Ka8; 38. Qxd5† and either (a.1) 38. ...Kb8; 39. Qd8†, Bc8 (39. ...Kb7; 40. Qc8#); 40. Qxc8#, or (a.2) 38. ...Bb7; 39. Qd8†, Bc8; 40. Qxc8#. (b) 36. ...Kc6; 37. Qc7†, Kb5; 38. Bf1.

As we have now confirmed, Black can't give up the queen and survive. Let us therefore examine the lines where he doesn't.

<<•>(2) 32. ...Kc7>

Not (a) 32. ...Bc8?; 33. Nxd6, Rxf3; 34. Rxc8#. Nor (b) 32. ...Kb7?; 33. Nxd6† .

<<•>33. Rxf8 >

White has won at least a piece.

<<•>34. Qf4†, Be5>

Alternatives: (a) 34. ...Kc6?; 35. Ne5†, winning the queen. (b) 34. ...Kb7?; 35. Nd6†, again winning the queen.

<<•>35. Qxe5† >


click for larger view

[The position after 35. Qxe5†]

Black is already a piece down, and his tribulations continue. But I doubt you'll need thirty seconds to see that.

Dec-19-12  Abdel Irada: Interesting. With the subtraction of the move-pair 33. ...Re1†; 34. Kh2, the game followed my variation (1.3).
Dec-19-12  agb2002: White has a bishop and a knight for the bishop pair and a pawn.

The black rook pins the knight. This suggests 32.Re8+ to divert or eliminate it:

A) 32... Rxe8 33.Nxd6 Re1+ 34.Kh2 and Black has no compensation for the material loss.

B) 32... Kb7 33.Nxd6+ and 34.Qxf8 is a massacre.

C) 32... Kc7 33.Rxf8

C.1) 33... Qxf8 34.Qf4+

C.1.a) 34... Kb7 35.Nd6+ wins the black queen.

C.1.b) 34... Kc6 35.Ne5+ wins the black queen.

C.1.c) 34... Be5 35.Qxe5+ and White has a knight for a pawn and a winning attack against the black king.

C.2) 33... Bxf2+ 34.Qxf4 Qxf8 35.Qf4+ is even worse than C.1.

Dec-19-12  sushijunkie: #$~!#@~, got move order wrong. ZERO.
Dec-19-12  Abdel Irada: To variation (2) in my solution post please substitute:

<<•>33. Rxf8, Qxf8> (in lieu of "<<•>33. Rxf8 >"),

while noting that not taking the rook simply leaves Black a rook down.

Dec-19-12  morfishine: Looks like a pure tactical problem. My first candidate is 32.Re8+

<32.Re8+ Kc7> 32...Rxe8 33.Nxd6 Re2 34.Qxd5 and White wins

<33.Rxf8 Qxf8 34.Qf4+> and White wins:


click for larger view

(a) 34...Kb7 35.Nd6+ winning the Black Queen

(b) 34...Kc6 35.Ne5+ winning the Black Queen

(c) 34...Be5 35.Qxe5+ White winning handily

**********
So, Black did take the rook and White followed with 34.Qf8+ (stronger than my 34.Qxd5). Interesting series of moves

Dec-19-12  gofer: A nice example of how looks can be deceiving. Black looks okay, but...

<32 Re8+ Kc7>
<33 Rxf8 Qxf8>
<34 Qf4+ Be5>
<35 Qxe5+ ...>

35 ... Kb7
36 Qxd5+ Kc7 (Kb8 Bg2 )
37 Qd7+ Kb8
38 Nd8

36 ... Kc6
37 Qf6 Kc5 (Kc7 Qf4+ or Kb7/Kb6 Nd6+ )
38 Qc3+ Bc4 (Kb5 Bd7#)
39 Qb4+ Kc6
40 Qxc8

~~~

I can see why black gave up her queen for the rook (given the alternatives above), but either way its a pretty forlorn hope that black can win or even draw after that...

Dec-19-12  wlg: 32.Re8+ Kc7 33.Rxf8 and white wins
If 33....Qxf8 34.Qf4+ 35.N+ and 36.Qxf8

Interesting to see too: If 12....Nxe5 13.Nxe5 Qxe5 14.Bf4 Qd5 15.Nf6+ and white wins

Nice Tactical game!

Dec-19-12  Kikoman: <Re8+> and that's it. Weather Black takes the Rook or not, he lose. :)
Dec-19-12  Bengambit: 33...Re1+ could buy some time for black,but the well centered Knight at d6 has all of the board on lock down.
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