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Jacob Aagaard vs Per Arnt Rasmussen
Politiken Cup (1996)  ·  King's Gambit: Accepted. Kieseritsky Gambit Kolisch Defense (C39)  ·  1-0
To move:
Last move:

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sac: 27.Rxc7+ PGN: download | view | print Help: general | java-troubleshooting

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Feb-29-12
Premium Chessgames Member
  David2009: J Aagaard vs P A Rasmussen, 1996 White 27?

There is a snap mate: 27.Rxc7+ Kxc7 (27...Kd8 Qxb7 is worse) 28.Rd7+ Kb6 (or 28...Kd8 Qxb7 forces mate rapidly) 29.Rxb7+ and now 29...Kc4 30.b4#, or 29...Ka6 30 Qc6+ etc or 29...Ka5 Qd5+ etc. 29.Qxb7+ also mates. Time to check:
====
Everyone has got there already. <viking78>: Both lines are just as good. Rewind to just before move 26:


click for larger view

White continues 26.Rae1 and Black continued 26.Rhg8? setting up the puzzle position. Instead 26...Rd8! defends. Hee's an interactive link to Crafty Endgame Simulator: http://www.chessvideos.tv/endgame-t.... White has the advantage, but converting it without the help of an engine is another matter. I had to settle for repetition in the line 26...Rd8 27.Qf2 Kb8 28.R1e6 Qg4 29.b3 (not 29.Rf6 Qa4+!) h5 30.Rf6 Rhf8 31.Ref7 Rfe8 32.Kd2 Qh3 33.Rxf5 Qh1 34.Qf1 Qh2+ 35.Qf2 Qh1 etc. Enjoy doing better!

Feb-29-12  vrandolph: Think this was easier than yesterday.
Feb-29-12  dufferps: As I viewed this sequence, I thought, "How clever of Aagaard to move 29.Rxb7+ for a sure win instead of the oh-so-inviting 29.Qxb7+." But as I looked at the possible sequences after 29.Qxb7+, I saw that it was at least as efficient in forcing a sure win - in fact more so. 29.Qxb7+ Kc5, 30.b4# or
29.Qxb7+ Ka5, 30.b4+ Ka4 31.Qa6#
Feb-29-12
Premium Chessgames Member
  Gilmoy: From 2004: <iron maiden: we don't actually> know how to <play chess on this site; we just> mumble :)

<Once: It's that golden moment <again.>> Because Once is not enough!

<... the closest that law-abiding happily <married> men/women can get to a bit of visceral excitement.> Is that before or after the "again" part? :)

(he: That's what makes it exciting!)
(she: and later, the visceral)

I saw 29.Qxb7+, which also seems to (laboriously) mate. Re-wire my principle: use <both> pieces, the Q can still jump in.

Feb-29-12  jackpawn: Found immediately, but then took a little time seeing if I missed something. I couldn't believe a Wednesday puzzle was this easy.
Feb-29-12  cydmd: <Gilmoy>, I don't think 29.Qxb7+ is laborious. See for yourself.

27.Rxc7+ Kxc7 28.Re7+ Kb6 29.Qxb7+

29... Kc5 30.b4#


click for larger view

29... Ka5 30.b4+ Ka4 31.Qa6#


click for larger view

I think that's even simpler than the actual line.

Feb-29-12
Premium Chessgames Member
  Gypsy: Alatortsev vs Capablanca, 1935

For once, I recalled something.

Feb-29-12  doubledrooks: With the Black heavy pieces not covering the seventh rank, the sacrifice 27. Rxc7+ pries open the Black king's pawn shield and mates shortly.
Feb-29-12
Premium Chessgames Member
  kevin86: I saw this one! The sac at c7 sets up a brutal tandem of queen and rook. If the black king moves forward,the mate will be quick; if he moves back,the pressure will be extreme.
Feb-29-12
Premium Chessgames Member
  Once: <Gilmoy> Nothing wrong with 29. Qxb7+. It was my pick too (I don't bother giving variations when others have already given them).

Fritz says that both 29. Qxb7+ and 29 Rxb7+ are mate in three. Aagard made 29. Rxb7+ into a mate in 4, but a win is a win so we should forgive him.

I'd agree with <cydmd> that 29. Qxb7+ is probably the easier of the two to calculate. It gives black only two replies compared to the three responses possible after 29. Rxb7+

Feb-29-12
Premium Chessgames Member
  sfm: cydmd: I don't think 29.Qxb7+ is laborious>
As it's mate in three either way, the "laborious" would have to refer to weight and distance of moved pieces. :-) <I think that's even simpler than the actual line.> yeah, but only because white sadistically drags out the pain with one move, 30.b4+, iso. 30.Qd5+.
Feb-29-12
Premium Chessgames Member
  sfm: Dear <Once>, please don't sit and write postings at the same time as I do, when the content is so similar.

If you have to, at least have the courtesy to post later than me!

Feb-29-12
Premium Chessgames Member
  Once: <sfm> Yes, but that I wouldn't be able to say ...

... I agree with everything that <sfm> said.

Feb-29-12
Premium Chessgames Member
  chrisowen: <Once> A yes it his purloined capture c7, in really it on e7 in lost it chin up re6 ace in craving made forever brewing qxg3 qxg3 rxg3 rh7 and i low in draw g8 ol i wo grace for JA king crevice danger blacked out it favour in white again re7 ear nest it hope for moment yet in my eyes popped cage fidgeting rxc7! Ate pawn general in by it grievous rook slide also nearly it is mate in five too! Levelin good castle up it down manage the beast in hallowed edifice again e7 give spar it king up python our queen in b7 or eli eave instead kb6 lakes even 29 rxb7+ ka5 live on 30 b4+ a brazil nut a4 31 qc6+ over a time for see ele dwardle 32 rxa7 be ration # one mole cue 10 26 rhg8 dont it burn the bridges?
Feb-29-12  BOSTER: W.Lomarby said: "A beginner soon learn the well-worn maxim <Never give up the open file without a fight>" Looking at black position I'd say he didn't know that <Open files for winners!>.

Who has ever studied the <elements of chess strategy>, they can see the solution immediately, who didn't-you can extend your horison discovering the secrets on <the seven horisontal>.

Feb-29-12  reztap: So obvvious I did not solve quickly. C'est la vie.
Feb-29-12  SeamusD: Nice! I saw the Queen giving check on b7 and stopped calculating there, but the game continuation is obviously better.
Feb-29-12
Premium Chessgames Member
  ajile: <vrandolph: Think this was easier than yesterday.>

Agreed. Got it quicker.

Feb-29-12
Premium Chessgames Member
  chrisowen: <SeamusD> A kindred to it down in try it grave for black in every it is having pin e7 all stone in aboard e7xc7 in talking low again

king ding plant it take for instance free in grab salute b6 ape stash

with or whiny it catch in midrift crick to rook dig for b7 light

blushes it fill in wangle kick-hold in a5 maybe qc6 in cadence shoot it

rising black ascendancy it a4 jigs up queen in loading c6 rooka7 flight in?

Feb-29-12
Premium Chessgames Member
  FSR: 27.Rxc7+ crushes.
Feb-29-12
Premium Chessgames Member
  sevenseaman: Today, for personal reasons I did not find enough time and was torn between doing it quickly or not at all.

I had a brief look and saw it didn't look too complicated.

My sol (wrong or right, I'll know only later);

<27. Rxc7+ Kxc7 28. Re7+ Kb6 29. Qxb7+>

(the Tactics Computer teaches you to use the R here but in this case it looks the Q will work better)

<29...Ka5 >(If 29...Kc5 30. b4#)<30. b4+ Ka4 31. Qa6#>

Feb-29-12  galdur: 27.Rxc7+ Kxb7 28.Re7+ Kb6 29.Qxb7+ Ka5 30.b4+ Ka4 31.Qa6 mate.
Feb-29-12  BlackSheep: Quite easy today , Rxc7 is the only candidate move with any punch , black was in pretty bad shape anyway but Rhg8 is just a reluctance to admit to oneself that there's impending danger and playing like you have a free hand in it.
Feb-29-12  BraveUlysses: Actually checked the day on my calendar
Feb-29-12
Premium Chessgames Member
  TheBish: J Aagaard vs P A Rasmussen, 1996

White to play (27.?) "Medium/Easy"

White has a mating attack after 27. Rxc7+! Kxc7 28. Re7+. If 28...Kd8 29. Qxb7 followed by 30. Qc7# or 30. Qd7#, and if 28...Kb6 29. Rxb7+ (Qxb7+ also works) Ka5 30. Qd5+ and mate next move.

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