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Alessio De Santis vs Maria Vincenza Santurbano
Verona op 11th (2005), rd 6, Jan-06
Benoni Defense: Hromadka System (A57)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Mar-02-15  zb2cr: 28. Rh8+ forces 28. ... Kxh8 (the Black Bishop at g7 is pinned). Then, 29. Qh7#.
Mar-02-15  greed and death: 28. Rh8+ Kxh8 (forced)
29. Qh7#
Mar-02-15
Premium Chessgames Member
  agb2002: White has a knight for a rook and a pawn.

White wins immediately with 28.Rh8+ Kxh8 29.Qh7#.

Mar-02-15  Funology: Prise open the h-file; sac, sac, mate!
Mar-02-15
Premium Chessgames Member
  patzer2: Here's my look at the game and the Monday puzzle (28.?) with the opening explorer (OE) and Fritz 12:

<4...g6> This is the second most frequently played choice in the OE, but a good alternative is the slightly more popular 4...e5 as in Anand vs Aronian, 2014

<7...h5> This is playable, but offering more active counter play is 7...b5!? as in Jobava vs Radjabov, 2015. Also playable is 7...e6 as in S Williams vs J Gallagher, 2001.

<18...b5> Not a bad move, but a worthy alternative is 18...f6 when play might go 18... f6 19. Ne6 Nxe6 20. dxe6 Bxe6 21. h5! gxh5 22. Rxh5 gxf3 23. e5! =.

<19...Nxb5> Perhaps a slightly better try for equality is 19... f6 20. Ne6 Nxe6 21. dxe6 Bxe6 =.

<21. h5!> This gives White a lasting initiative and a clear advantage.

<22...Bxd1> If 22... fxg6!? then White wins after 23. e5! Qe8 24. Bc3! gxf3 25. exd6 exd6 26. Ne6 .

<24...Rb8?> This allows White too easy a win.

Black can put up more resistance with 24... Qd7 when White has to find 25. Bc3! Bxc3 26. bxc3 Qb7 27. Nxf7 Kxf7 28. Rh7+ Ke8 29. Kc1 gxf3 30. e5! .

<25. e5!> This begins a very strong winning combination which sets up our Monday puzzle.

<25...Qb6> If 25... Qc8 then play might continue 26. e6 Qe8 (26... Rf6 27. Rh8+ Bxh8 28. Qh7+ Kf8 29. Qxh8#) 27. Qg6 Kf8 28. exf7 Qa4+ 29. Ke1 .

<26. Qg4> White now mates in four or less.

<28. Rh8+ 1-0> This solves today's Monday puzzle using the pin and decoy to force Black's resignation in lieu of 28...Kxh8 29. Qh7#.

Mar-02-15
Premium Chessgames Member
  Once: There always seems to be something as a bit wrong with the h file attack. It feels somehow dirty, greasy, a bit cheap. It's Joan Jett singing about rawk and rowl...

https://www.youtube.com/watch?v=xL5...

The h file attack has a full set of tats, a piercing or two, and a flick knife in its pocket. It's baaad to the bone...

https://www.youtube.com/watch?v=Djj...

The other attacks in chess look on a bit sniffily when the h file attack is doing its thang. It's all a bit unsubtle, obvious, brutal. You castle long then throw the h pawn up the board with the unmoved rook sitting behind it. Then it's Fischer's patented prying opening of the KR file, sac, sac, mate.

Unsubtle as hell, but remarkably effective.

And the crowning glory for an h file attack is a sacrifice on h8 followed by checkmate. Drag the enemy king onto a square where he will be slaughtered. It's back street chess. Bringing a bigger knife to a knife fight.

Mar-02-15  starry2013: I got this pretty quick but not in the first couple of minutes. The first line I looked at was Qh7 but the King simply moves to safety. I was thinking about Ne6 to help imprison the king, but there is an immediate counter check and then the black queen can reposition. H7 was the move but not immediately.
Mar-02-15  morfishine: <28.Rh8+> and mate next move: 28...Kxh8 29.Qh7#

I think I first saw this type of attack in a Marshall game.

*****
Thanks for the game <Phony Benoni>

*****

Mar-02-15  stacase: Took a few seconds to notice that Black's Bishop was pinned.
Mar-02-15  CHESSTTCAMPS: White is down rook+pawn for a knight, but has a forced mate in two: 28.Rh8+ Kxh8 29.Qh7#
Mar-02-15  TheaN: Monday 2 March 2015 <28.?>

White abuses the pin on Bg7 to lure the black king away from f8. After <28.Rh8+ Kxh8> the black king reached the edge and demise: <29.Qh7# 1-0>.

Easy combination, but it did make me find the Pipe Game which was pretty amusing to read.

Mar-02-15
Premium Chessgames Member
  Penguincw: Ah. So simple. Just sacrifice the rook and deflect the king to a mating square.
Mar-02-15  sshhhh: Well, *I* somehow missed it (do I get a prize?). I got 28. Nf7+, threatening Rh8#, and if 28 Qxf7, 29. Rh8+ Kxh8 30. Qxf7. So instead black's best is 28 Kf8, leaving white up a piece in a slightly ropey position. Thought that was a bit subtle for a Monday, wondered what I was missing...
Mar-02-15  TheaN: <sshhhh: Well, *I* somehow missed it (do I get a prize?)>

Well, perhaps for finding a more interesting position to analyse. Interesting fact is, the puzzle move is just as playable in your line as in the game.

<28.Nxf7 Kf8!?> looking at the continuation Qxf7 might in fact be better, but black should always try. It gets us to this:


click for larger view

First things first... white can play e6 or Ng5 and mate black relatively quickly, but it may allow some unforeseen complications. <29.Rh8+!> works. After <29....Bxh8 30.Nxh8> white is suddenly threatening Bh6# and this is hard to parry. Basically black is forced to play <30....Qxe5+ 31.Kf1 Qxh8 32.Bh6+ Qxh6 33.Qxh6+ Kf7 34.fxg4 > and white has a trivial win.

Mar-02-15
Premium Chessgames Member
  Bubo bubo: White lures the black king into mate with a standard trick: 28.Rh8+ Kxh8 29.Qh7#
Mar-02-15
Premium Chessgames Member
  kevin86: Monday problem: Rook sac at h8 and Q mate at h7. Reminds me of the Pipe Game...also.
Mar-02-15  Marmot PFL: Easy combination of a type that could occur in blitz chess, where you have be able to find it very quickly.
Mar-02-15
Premium Chessgames Member
  Longview: I was pleased to see the combination from this pattern fairly quickly. As <Marmont PFL> says <Easy combination of a type that could occur in blitz chess, where you have be able to find it very quickly.> I do not play blitz and have a blind spot for pin advantages so I was busy patting myself on the back before I read <sshhhh> and realized that I did not even consider those candidate moves and work it out as <TheaN> did. I also stopped my self congratulatory exercises when I saw the nice game commentary by <Patzer> and the lyrical allusions of <Once> and immediately realized I have "miles to go before I sleep". Way to make it worthwhile, all.
Mar-02-15
Premium Chessgames Member
  whiteshark: I'm missing a day between Sunday and Monday.
Mar-02-15  M.Hassan: White is behind. He has a Knight for a Rook+pawn

28.Rh8+ Kxh8(forced)
Thanks to Bishop on g7 that can not capture the Rook as himself being pinned. 29.Qh7#

Mar-02-15  BOSTER: This is the pos. black to play 18...


click for larger view

Black should play 18...f6 to chase the white knight from g5, who crossed the border, but not transfer his pieces on the queen's side.

But in the such game who would told us the Pipe Story (maybe only Pandolfini).

Not every combo beginning with push e4-e5 can get the first prize for brilliancy.

But in the game 25.e5 opening the line for white queen to g6 and h7 was very nice.

Mar-02-15
Premium Chessgames Member
  Gilmoy: <Phony Benoni: ... the Pipe Game Combination> Agreed! I call it the pipe sac!
Mar-02-15
Premium Chessgames Member
  Mating Net: I think this was a very instructive Monday puzzle that requires a bit of chess tactical knowledge. The pin, deflection, Queen and Knight duo themes all rolled into one.
Mar-02-15  stst: missed the Sunday puz, got this quick as consolation...

28.Rh8+ KxR (forced)
29.Qh7# supported by N

difficult to imagine such a situation does occur though...

Mar-04-15  sshhhh: <TheaN> very nice analysis - I completely missed the Bh6# threat. Thank you.
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