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Georgi Alexandrov Popov vs Petko Ivanov Angelov
corr (1960) (correspondence)
Italian Game: Scotch Gambit. Anderssen Attack (C56)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Apr-30-06  patzer2: Black's demolition pseudo sacrifice 26. Nxg7! sets up the decoy 31. Rd7 for mate-in-three after 31...Bxd7 32. Qd6+ Re7 33. Qh6+ Ke8 34. Rg8#.
Apr-30-06  mago de riga: jajaja: whats wrong with 30.Qh6 Rxe7 31.Rg3+ kh8 32.Qg7#?

if 30. Qh6, blacks Af5. 0-1

Apr-30-06  zabbura2002: Not the worst Sunday.. I stopped at 29. Rd3 since most people will resign at that point.
Apr-30-06  jajaja: mago de riga: jajaja: whats wrong with 30.Qh6 Rxe7 31.Rg3+ kh8 32.Qg7#? if 30. Qh6, blacks Af5. 0-1
I assume Bf5 is what u meant, thx as i missed this defense
Apr-30-06  TrueBlue: here is a bonus problem (for those that solved the puzlle). Can you find an alternative for white's 31st move or show that 31 Rd7 is the only winning move. No engines allowed to claim credit for the bonus :)
Apr-30-06  itz2000: <emperor> LOL!! havn't seen that! lolloolol

:]]

Apr-30-06  TrueBlue: ok, to answer my bonus puzzle, I found 3 different ways of white winning without playing rd7 in the next moves.
Apr-30-06  patzer2: As a fan of the NPR Radio show "car talk" the names of the players in this game reminded of the end credits on the show.

As a gag, the "Click and Clack" (actually Tom and Ray Magliozzi) brothers announce funny names of staffers who really don't exist at the end of each show. One of which is their Russian Chaufer Pikop Andropov (pick up and drop off).

For fans of the show, a fairly complete list of some of their end credits can be found at http://www.cartalk.com/content/abou....

Apr-30-06
Premium Chessgames Member
  OBIT: <Trueblue> Let's see... three forced mates that do not involve 31. Rd7...

First way: 31. Rf3 Kg8 (31...Rxe7 32. Qh8 mate) 32. Rxf7 Bxf7 33. Qxf7+ Kh8 34. Qf6+ Kg8 35. Rg3 mate

Second way: 31. Rf3 Kg8 32. Rg3+ Kf8 33. Rf3 Kg8 34. Rxf7 Bxf7 35. Qxf7+ Kh8 36. Qf6+ Kg8 37. Rg3 mate

Third way: 31. Rf3 Kg8 32. Rg3+ Kf8 33. Rd7 Bxd7 34. Qd6+ Re7 35. Qh6+ Ke8 36. Rg8 mate

It's okay to repeat the position once, right? :)

Apr-30-06  patzer2: <TrueBlue> To answer your quiz, I found 31. Re3! and 31. Rf3! are winning in addition to 31. Rd7! as played in the game. However, other wins are simply a delayed variation (e.g. 31. h3 with Re3 to follow) of these three -- I think.

What is your third alternative solution?

Apr-30-06  TrueBlue: let's see. h4 also works. With pawn at h6 and Qg7 mate possibility. But my personal favorite is Re3 (pointed out by patzer2). It takes out black's queen. As orbit points out, Rf3 also does the trick. So the sacrifice of 31 Rd7 is nice, but not at all necesary.
Apr-30-06  dzechiel: Saw everything up through 30...Kf8, but missed the killer 31 Rd7!! I'll try to do better the rest of the week.
Apr-30-06
Premium Chessgames Member
  Gypsy: <Sneaky> This 'Piece-f6' is sometimes called the 'Alekhine block'.
Apr-30-06
Premium Chessgames Member
  OBIT: <Trueblue:> I don't think 31. h4 quite works because of 31...Rad8 32. h5 Qxd4. Black gets his queen over for defense before White's pawn gets to h6. Even so, White has three winning moves - how could anybody miss this? :)
Apr-30-06
Premium Chessgames Member
  OBIT: Hmm, about 31. Re3:

I'm looking at 31. Re3 c5! First, note that *Black* wins after 32. R3xe6 (the idea behind 31. Re3, of course) Qxe6! 33. Rxe6 Rxe6. "Yikes, where'd that back rank mate come from?"

Also, Black wins again after 32. dxc5 Qxc5 33. R3xe6 Qc1+! 34. Re1 Qxe1+. "Dang, another back rank mate!"

Let's also note that 32. Rd7 no longer works because c5 allows the queen to sneak into the defense of this position.

Finally, 32. Rf3 can be met by 32...Kg8!. Well, at least White can force a draw in this line by 33. Rg3+ Kf8 34. Rf3 etc.

Where's the win?

* * * * *

OK, I think I see the win after 31. Re3 c5! It's 32. d5!! threatening dxe6. If 32... Rad8 33. R3xe6 Qxe6 34. Rxe6 Qxd8+ 35. Re8 Qd6+ followed by 36. h3 wins. I just knew there had to be a reason why the guys using computers were claiming a win here...

Apr-30-06  TrueBlue: orbit, I never said h5 needs to be played immediately after h4 :) Rad8 has to be met with something to protect the d4 pawn!

Re3 is winning. if black doesn't play qd4, which looses the queen, white playes Re6

Apr-30-06  patzer2: <OBIT> After 31. Re3 c5, your 32. d5 wins OK, but quickest is 31. Re3 c5 32. Rd7! with mate-in four.
Apr-30-06
Premium Chessgames Member
  Gypsy: <but quickest is 31. Re3 c5 32. Rd7! with mate-in four.> 32...Kg8 33.Rg3+ Bg4 34.Rxg4+ Kf8 35.Qh8#.

But I realy like the <OBIT> solution with d5.

Apr-30-06  Fezzik: I saw that this was a correspondence game and immediately suspected a trick by chessgames.com.

I was disappointed when I saw that White mates with Rd7! I guess Rd7 is hard to see as winning because of the Queen windmill (Qd6-h6 followed by Rg8). But considering this was a correspondence game in which the players are allowed to move the pieces and think for two days per move....

I will certainly keep this one, but wonder if it is really a Sunday puzzle.

Apr-30-06  WillC21: <patzer2> Nice analysis. Clear and instructive.

If you don't mind me asking, what type of computer hardware and program(s) do you use for your chess analysis?

Apr-30-06
Premium Chessgames Member
  OBIT: <Patzer2> Yeah, after 31. Re3 c5 32. Rd7! still works. I also notice that 31. Re3 c5 32. h3 wins - White eliminates the back rank swindles, and there is nothing Black can do to stop R3xe6 next move.

So, there are a few ways to win after 31. Re3 c5. I'd still rate 31...c5!? the best practical chance, since it contains a few swindles that are not so obvious.

Apr-30-06
Premium Chessgames Member
  kevin86: A nice knight sac! White wins very quickly after black is opened up.
Apr-30-06  patzer2: <WillC21> See Marshall vs Capablanca, 1909.
May-01-06  asip87: as i predicted, 26. Nxg7
and after that,,,
im so lazy to think!!!
May-01-06
Premium Chessgames Member
  offramp: Perhaps this was a Sunday puzzle because it involves a pope and an angel.
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