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Martin Ortueta Esteban vs Jose Sanz Aguado
"Pwned" (game of the day Mar-28-2009)
Madrid (1933), Madrid ESP, Jun-??
French Defense: King's Indian Attack (C00)  ·  0-1
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Nov-24-13  FSR: The <really> crazy thing is that an almost identical combination had been played two years earlier in a much less well-known game, Tylkowski vs A Wojciechowski, 1931. See Tim Krabbé's discussion of the twins at http://timkr.home.xs4all.nl/chess/r....
Nov-24-13  backyard pawn: 34. ..., a5. What a cool move!
Nov-24-13  quinlan: Simply unbeliavable! 34...,a5!! the really winning move! Surely deserves to be one of the most beautiful final positions of all time. No question about it! Morphy must be smiling...
Nov-24-13  Pedro Fernandez: My dear <M.Hassan>, that's not the point, sorry.
Nov-24-13  Nick46: This ending, which I wouldn't have solved in a month of Sundays, will be remembered throughout the Sanz of time.
Nov-24-13  RedShield: If it's any consolation, Carlsen wouldn't have found this in a week of Tuesdays.
Nov-24-13  awfulhangover: This is ...poetry? Respect!
Nov-24-13  Patriot: Black has two extra pawns and the white king is on the same diagonal as the bishop (seed of tactical destruction).

31...Rxb2

32.Nxb2 c3 33.Nd3 c4+ 34.Kf1 cxd3 35.Ke1 Be3

32.Nxb2 c3 33.Nd3 c4+ 34.Rxb6 cxd3

32.Nxb2 c3 33.Rxb6 c2 34.Nd3 c4 35.Nc1 axb6 36.a4 Kg6 and I think while the knight is guarding the queenside promotion squares, the e6-pawn becomes a bit dangerous although the Nc1 is guarding e2 as well. The king may go to the queenside and attack a4 which looks like a winning plan.

32.Nxb2 c3 33.Rd7 cxb2 34.Rd1 c4+ 35.Kf1 c3

32.Nxc5 Bxc5+ and 33...Rxb7

32.Kf1 Rxa2 33.Nc3 Rc2 looks winning.

32.Kf1 Rxa2 33.Nxb6 axb6 34.Rxb6 c3 35.Rb1 Rd2 36.Rc1 c2 37.Kh2 e5 38.Kg3 e4 39.Kg4 e3 40.Kf3 e2 41.Ke3 Rd1

This starts out as a "seed of tactical destruction" (x-ray of bishop to king as well as advanced pawns) and the idea that pawns on the sixth beat a rook.

Nov-24-13  Patriot: 33...c4! is the move I missed and it's an incredible move.

<morf> You said you forgot to include 33.Rxb6 so I'm wondering if you figured 33...c4? If so that is super!

Nov-24-13  scormus: I dint know but might have guessed this position has a special status, expecially when I picked out 31 ... Rxb2!

<Patriot: 33...c4! is the move>

Yes <33 ... c4> is very cool and the one that makes the difference. I wonder how many people who didn't know this position spotted it. I certainly didn't.

Anyway I made the <morf> standard, expecting <33 Nd3 c4+> and the 2 connected passed pawns look decisive. Of course, that would have been too easy for a Sunday.

Nov-24-13  amateur05: I didn't find 33...c4! Beautiful!
Nov-24-13
Premium Chessgames Member
  Jimfromprovidence: Another nuance is the king being on g1. Here is the position after 32...c3.


click for larger view

If the king were on h1, white could play 33 Nd3, and now 33....c4 does not work because of 34 Nb4, below.


click for larger view

Nov-24-13  BOSTER: Nobody can be surprised when two strong huge bodyguard have beaten three small cheeky pawns, but when we see the opposite, we begin understand that except the strength pawns have something else.
Nov-24-13  Patriot: <scormus> According to Houdini, 33...c4! is the only move that wins. It's practically an invisible move and is not the kind of move I would anticipate. It's very uncommon to see something like this because black is thereby momentarily giving up all his pieces (or allowing 2 white pieces to momentarily hang). It's an absolutely masterful move!
Nov-24-13  Patriot: <Jimfromprovidence> <If the king were on h1, white could play 33 Nd3, and now 33....c4 does not work because of 34 Nb4, below.> Very true and because the bishop does x-ray thru to the king, it makes the whole thing possible. It's a seed of tactical destruction.
Nov-24-13  WoodPushkin: Greetings: an interesting puzzle not too difficult. The first calculation after brief analysis is can the pawns (so close to becoming royalty) have a path to promotion? Since the knight is playing real back rank defense but is clumsy 31..Rxb2 is worty of consideration. The five ply follow up was easy but seeing that 34...a5!! worked in my head was too challenging. I played to that point and then a5 screams out...must practice seeing deeper, further...more Lumosity :-) JAH love
Nov-24-13
Premium Chessgames Member
  OhioChessFan: I think this is one of those puzzles that's infinitely easier when you're aware it's a puzzle position. You almost have to play Rxb2 from the starting position, and while the rest doesn't play itself, it is forcing enough that the rest isn't as crazy hard as most Sundays.
Nov-24-13  benjamincito: I see this play in the book of Alekhine when played in spain. Nice end of pawns.
Adios
Nov-24-13
Premium Chessgames Member
  eternaloptimist: <Ohio> I agree w/ ur kibitz 100%. I saw 31)...♖xb2 pretty much right off the bat. Although unfortunately I guessed 33)...♙c2 instead of 33)...♙c4!!. I would've guessed the moves perfectly if it wasn't for that.
Nov-24-13
Premium Chessgames Member
  al wazir: I saw the first move, but that was it for me. I'm never going to master endgame play.
Sep-01-14  Xeroxx: Funniest endgame.
Mar-18-15  sfm: Yeah, I remember this one from when I was young, listed as "Ortueta-Sanz". <FSR>s link to
http://timkr.home.xs4all.nl/chess/r...
is indispensable reading.
Jul-05-15  fisayo123: Caruana just referenced this game because of the thematic a5 move also played in his endgame.
May-20-16  Xeroxx: makes sanz
Dec-13-17  blackburne: Algunos datos sobre el origen de esta partida, que por otro lado es bastante confuso: http://www.historiadelajedrezespano...
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