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Sampsa Nyysti vs Olli Sisatto
32nd Rilton Cup (2002), Stockholm SWE, rd 3, Dec-29
Zukertort Opening: Queen Pawn Defense (A06)  ·  1-0
ANALYSIS [x]

FEN COPIED

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find similar games 1 more S Nyysti/O Sisatto game
sac: 34.Rxf5+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-28-06  old coot: The dovetail mate may be named not for the bird, but for the dovetail joint, which occurs in carpentry and cabinetmaking.
Jun-28-06  fragile: <filipecea>, I think its lost for white if he picks up the bishop offered as bait. Play might proceed this way:

18.hxg3 e5 19.Bh3 Rh6 20.d4 Rxh3+ 21.Kg2 Rxg3+ 22.Kh2 Rh3+ 23.Kg2 Qg5+ 24.Kf2 Rh2+ 25.Ke1 Qc1#

I've not checked out all combinations either.

Jun-28-06  Marmot PFL: Couple seconds to see the queen sac doesn't work, so then try the rook...if only most games could be so simple.
Jun-28-06
Premium Chessgames Member
  BlueMooner: Credit for White declining the free castle on offer after 20 Qa8+ Ke7 21 Qf3 instead of the clumsy 21 Qxh8. Particularly poignant as White only had three pieces in play at that stage - castle, queen & bishop whilst at the same time Black had queen, 2 bishops & 2 rooks (only one of which, the h8 rook, remained undeveloped).

20 Qf3 was both brave & was proved to have immaculate foresight as he mated Black in another 15 moves.

Jun-28-06  hope62: I belive that this simples puzzles are great for us, average players -1800, are more useful that difficult ones,this is what one enconter in our games, hope cg continue with this line
Jun-28-06  dakgootje: Preferred previous week to be honest. I mean, these were not too hard (understatement) so far for most of us, while previous week were hard and quite a test. After all what is the idea behind these puzzles? That we have some fun and can say how incredible fast we were with solving it? That we can brag about our immensence puzzle solving skills? Both of course partly, as people generally have a slightly too positive imagine of themselves and that is not bad.

but of course the main reason is getting better doing those puzzles and therefore it is needed to put some challenge in the puzzles, and im sorry to say, but that missed here if you present it as a wednesday puzzle. white has an powerful attack, bad placed king and you know the theme of the week. Only thing considering worth here was if the puzzle would still have worked if it began a move earlier. This is to be honest the lvl for a monday-tuesday puzzle, not for a wednesday. I mean there threatens a mate in one and there are 2 pieces en prise...

Think i have made my point, thanks for reading, and my excuses if it sounded like a rant, because it could also have been they just werent able to find a fitting game for the theme and day...

Jun-28-06  Tariqov: Agreed!

Jun-28-06  Whitehat1963: It's funny, I stared at this for awhile, and instinctively I kept going back to the first two moves, correctly, but for some reason I couldn't see the third one.
Jun-28-06  Mountainman1: Kinda basic smash and grab move - the King have no defenders after the Rook checks him. Took about 30 seconds to figure out the moves.
Jun-28-06
Premium Chessgames Member
  kevin86: How did I miss this one? I guess I tried too hard. The moves are obvious and direct,but I missed the forest for the trees.
Jun-28-06  jonshan: 34. Ng4+ also works
Jun-28-06  blingice: <jonshan> No it doesn't, because the knight doesn't have to be taken. In this situation, because of the check, the rook must be taken.
Jun-28-06  THE pawn: Why debating over the difficulty of the puzzles? This is why there is a monday vs friday + saturday. If wednesday isn't hard, there will always be a chance that saturday gives us a big challenge.
Jun-28-06  jonshan: blingice: I don't understand. The only possible moves after 34. Ng4+ are Kg5, Kf7, Ke7.
Jun-28-06  dakgootje: Yes and Kg5 and Ke7 mate as far as i see, but how does Kf7 mate?
Jun-28-06  Halldor: <jonshan: . . . The only possible moves after 34. Ng4+ are Kg5, Kf7, Ke7.> Yes, 34. ♘g4+ was my first try; 34... ♔f7 is in fact Black's only answer because the other moves are mate in two, but 34... ♔f7 seems to be safe for Black, I was at least stuck there.
Jun-28-06  En prise: After observing the position for a few momments, it was obvious that white had to make forcing moves, thats when the rook sac jumped out at me. JOHNBOY,thank you for the markalowery web site suggestion. I added it to my favorites.
Jun-28-06  dakgootje: always a good thing to add the site to your favorites when your premium =P
Jun-28-06
Premium Chessgames Member
  Eggman: Bummed about the easiness of the puzzles so far this week? See Siegbert Tarrasch for one I posted from a Tarrasch game.
Jun-28-06  jperr75108: Yeah not hard enough for wednesday. although otherwise its a cool puzzle.
Jun-28-06  beatles fan: jumped off the page. Pretty easy for a Wednesday
Jun-28-06  beatles fan: Not really suprising.
sampsa N yysti had a good 125 rating points on O Sisatto.
Jun-28-06  beatles fan: does Eggman like the beatles to? Eggman is a name from "I am the Walrus"
Jun-29-06  notyetagm: White To Play: 34 ?


click for larger view

34 ♖xf5+! is a great example of the "reloader" theme, that two defenders cannot keep out three attackers.

The Black f5-pawn/f5-checking focal point next to the Black f6-king has only two defenders (Black e6-pawn, f6-king) versus three White attackers (f3-rook, h6-knight, h7-queen). Hence White can take the square, i.e., one of his pieces (rook, knight, or queen) can safely occupy the f5-square after another one has sacrificed itself for the Black e6-pawn defender of that square.

<The reloader principle means that the White piece that eventually safely occupies the f5-square must fully compensate for the loss of the piece that was sacrificed on that square>. So White sacrifices his f3-rook on f5 with 34 ♖xf5+!, with the idea that if Black takes this rook with 34 ... exf5, then White will -reload- on the f5-square with 35 ♕xf5+. Hence White seeks to trade his f3-rook for the Black e6-pawn defender of the f5-square so that he can -reload- on this square with his queen.

Since mate is forced if the White f5-rook is taken (34 ... exf5 35 ♕xf5+ ♔e7 36 ♕f7#), this reloader principle is valid in this position. That is, -reloading- on f5 with the White queen forces mate and mate clearly compensates White for the loss of his rook on f5. And since Black is also mated if the White f5-rook is not taken (34 ... ♔e7 35 ♖f7+ ♔e8 36 ♕h8+ ♕f8 37 ♕x♕#) White forces mate with 34 ♖xf5+!.

In short, White sacrifices his f3-rook so that he can -reload- on the f5-square with his queen and give an epaulette mate using queen+knight coordination.

34 ♖xf5+! ♔e7 (34 ... exf5 35 ♕xf5+ ♔e7 36 ♕f7#) 35 ♖f7+ ♔e8 36 ♕h8+ ♕f8 37 ♕x♕#

Jun-29-06
Premium Chessgames Member
  Eggman: <<does Eggman like the beatles to?>>

Yeah yeah yeah.

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