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Nakamura blunders to cheapo in WTC

Nakamura blunders to cheapo in WTC

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(It turns out cheapo was not the correct terminology here, thanks to Tyrannosauruschex and Greenpawn for pointing that out).

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Before you look at the game, try to find the cheapo yourself. Naka has just played 41...Ng7. You are Aronian. White to move.

Here's the rest of the game, I was surprised he kept on playing for so long.

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1.d4Nf6
2.Nf3g6
3.c4Bg7
4.Nc3d6
5.e4O-O
6.Be2e5
7.O-ONc6
8.d5Ne7
9.Ne1Nd7
10.Nd3f5
11.Bd2Nf6
12.f3f4
13.c5g5
14.cxd6cxd6
15.Nf2Ng6
16.Qc2Rf7
17.Rfc1Ne8
18.a4h5
19.Ncd1Bf8
20.Ra3a6
21.Qc3Bd7
22.Qa5b6
23.Qb4Rg7
24.Rac3Nh4
25.h3Be7
26.Be1Qb8
27.Kf1Bd8
28.Rb3Bc7
29.Qa3Qd8
30.Rbc3Bb8
31.b4Ra7
32.Rc6b5
33.axb5axb5
34.Ra6Rb7
35.Rcc6Bxc6
36.dxc6Ra7
37.Nc3d5
38.Nxd5Nf5
39.exf5Qxd5
40.Ne4Rgc7
41.Nxg5Ng7
42.Rb6Nxf5
43.Rxb8Kg7
44.Qb2Ra2
45.Qb1Rc2
46.Rxb5Qd6
47.Rb7Kh6
48.Kg1Qxc6
49.Nf7Rxf7
50.Rxf7Ne3
51.Ra7Qd5
52.Qa1Nxg2
53.Qa6

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      (WTC=World Team Championships)

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      Its a bit clever to be considered a cheapo

      2 edits
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      Originally posted by Tyrannosauruschex
      Its a bit clever to be considered a cheapo
      To be honest, I don't know the precise definition of "cheapo," but this one is very much puzzle-like, and unlike some other deep stuff in super GM level, is quickly accessible for me, and I guess for anyone that likes studying tactics.

      and, what is cheapo by your definition? 🙂

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      Lovely - and I got it. (just under a minute I guess).
      A postion with a shot in it is my meat 'n' tatties.

      I first tried to make something of the King and Queen on the same diagonal.

      Then the

      back rank weakness
      appeared.

      The damning question is would I have got it during the game?

      Don't often miss 'em - hard bit for me is setting my opponent up for them.

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      Cheapo is perhaps the wrong term.

      To me a Cheapo is joke trap one plays in a lost postion.

      3 edits
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      Originally posted by greenpawn34
      Cheapo is perhaps the wrong term.

      To me a Cheapo is joke trap one plays in a lost postion.
      OK then, I thought it meant something like a "relatively easy tactic." 🙂
      I'll put a note in the first post.

      To prove I do know some chess terminology, I'd like to point out that the exchange sacrifices of Aronian were what they call a "petrosian sacrifice." (if this is wrong too, please just pm me 🙂 )

      1 edit
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      Keep it in the forum, nobody is trying to score points.

      Any Rooks taking a Bishop or Knight is an Exchange Sacrifice.

      These were usually made for a short term tactical gain.
      ie: RxNf6 to open up a King postion.

      The exchange sacs Petrosian made (RxN) were deeper than that.

      No percievable tactical gain but a better placed Knight and a lasting pull
      or misplaced pawns and no way for his opponent to exploit the material gain.

      If you said to me I played a Petrosian style exchange sac.

      I would assumme that you had chopped a well placed Knight or
      a Knight threatening to get well placed with a Rook to make an outpost
      for your own Knight, snuff out of any danger, etc.

      There is no way it can be analsed so the Petrsosian Sac is all the more
      credible.

      1 edit
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      Originally posted by greenpawn34
      Keep it in the forum, nobody is trying to score points.

      Any Rooks taking a Bishop or Knight is an Exchange Sacrifice.

      These were usually made for a short term tactical gain.
      ie: RxNf6 to open up a King postion.

      The exchange sacs Petrosian made (RxN) were deeper than that.

      No percievable tactical gain but a better placed Knight and a lastin ...[text shortened]... nger, etc.

      There is no way it can be analsed so the Petrsosian Sac is all the more
      credible.
      I was referring to 32.Rc6 in this position.

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      There are no immediate tactical gains with that, it's one of those pure sacrifices. If that doesn't convince you, I'll have to dig up Kasparov's predecessors where he gives a very similar example. 🙂

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      Personally I found this quite quickly - like a few seconds or so, but then again I was looking for "something" instead of a general move. Maybe that should be something I think about OTB. Always look for the "something".

      As for whether it's a cheapo or not, I think it was just a blunder on his part, but not an obvious one. But that's just me and what do I know?

      29 edits
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      I found the example anyway:

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      In this position, Kasparov annotates the move 31...Qc6 as "a typical Petrosian exchange sacrifice." (don't be surprised if you can't find the exact words, as my edition isn't in English).

      I thought this was very similar to the 32.Rc6 by Aronian above, hanging it to the bishop (thus having the bishop pair) to be recaptured by a pawn which will pose dangerous promotion threats or simply become a bone in the throat. (including the move number!)

      Here's the game Kasparov talks about:

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      1.d4d5
      2.c4e6
      3.e3c5
      4.Nc3Nf6
      5.Nf3Be7
      6.Bd3b6
      7.O-OO-O
      8.b3Bb7
      9.cxd5exd5
      10.Qc2Nc6
      11.a3a6
      12.Rd1cxd4
      13.exd4h6
      14.b4Bd6
      15.Re1b5
      16.h3Rc8
      17.Qb3Qc7
      18.Bd2Qb6
      19.Be3Ne7
      20.Rac1Nh5
      21.Qd1Nf6
      22.Nh4Rc7
      23.Qd2Nh7
      24.Qc2Nf6
      25.Kh1Ne8
      26.Nf5Nxf5
      27.Bxf5a5
      28.Qb3axb4
      29.axb4Rc4
      30.Na2Nf6
      31.Bd3Qc6
      32.Qb2Qd7
      33.Kg1Nh5
      34.Qd2f5
      35.f4Ng3
      36.Bxc4dxc4
      37.Qb2Rf6
      38.Nc3Ne4
      39.Re2Rg6
      40.Rd1Nxc3
      41.Qxc3Bf3
      42.Rde1Bxe2
      43.Rxe2Qe7
      44.Qb2Re6
      45.Kf2Re4
      46.Qa2Kf7
      47.g3Qb7
      48.Qa3Re8
      49.Qc3Qh1
      50.h4g5
      51.Qe1Qh2
      52.Kf1Qh3
      53.Kg1Qg4
      54.hxg5Bxf4
      55.Bxf4Qxe2
      56.Qxe2Rxe2
      57.gxh6c3
      58.Kf1Re4
      59.Bc1Kg6
      60.d5c2
      61.Bd2Rxb4
      62.d6Rd4
      63.Ke2Rxd6
      64.Ke3Kxh6
      65.Ke2Kg6
      66.Ke1b4

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          aargh, what kind of pgn viewer is this?!

          pgn viewer courtesy of HEINZKAT

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          Originally posted by philidor position
          aargh, what kind of pgn viewer is this?!
          replace the newline/endline ascii characters in the algebraic notation with normal spaces.

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          Originally posted by philidor position
          (It turns out cheapo was not the correct terminology here, thanks to Tyrannosauruschex and Greenpawn for pointing that out).

          [fen]1b4k1/r1r3n1/R1P5/1p1qpPNp/1P3p2/Q4P1P/4B1P1/4BK2 w - - 0 42[/fen]
          Before you look at the game, try to find the cheapo yourself. Naka has just played 41...Ng7. You are Aronian. White to move.

          Here's the rest of t ...[text shortened]... 7 Qd5 52.Qa1 Nxg2 53.Qa6+
          1-0[/pgn]

          (WTC=World Team Championships)
          yay, i got it, after the greenpawn dude hinted that it was the back rank, otherwise i also was looking at the king queen diagonal, but it took maybe five minutes. i doubt i would have found it in a game, although, there is a possibility that i could have fluked it! 🙂

          6 edits
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          Originally posted by philidor position
          I found the example anyway:
          [fen]5rk1/1b3pp1/1q1b1n1p/1p1p4/1PrP4/1Q1BB2P/N4PP1/2R1R2K b - - 0 31[/fen]
          In this position, Kasparov annotates the move 31...Qc6 as "a typical Petrosian exchange sacrifice." (don't be surprised if you can't find the exact words, as my edition isn't in English).

          I thought this was very similar to the 32.Rc6 by Aro b4 0-1 [/pgn]

          aargh, what kind of pgn viewer is this?!
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          1.d4d5
          2.c4e6
          3.e3c5
          4.Nc3Nf6
          5.Nf3Be7
          6.Bd3b6
          7.0-00-0
          8.b3Bb7
          9.cxd5exd5
          10.Qc2Nc6
          11.a3a6
          12.Rd1cxd4
          13.exd4h6
          14.b4Bd6

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              No I give up. I have to know more about the problems. It's not a forgiving viewer.

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              Originally posted by philidor position
              aargh, what kind of pgn viewer is this?!
              Blame the operator, not the machine

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              1.d4d5
              2.c4e6
              3.e3c5
              4.Nc3Nf6
              5.Nf3Be7
              6.Bd3b6
              7.O-OO-O
              8.b3Bb7
              9.cxd5exd5
              10.Qc2Nc6
              11.a3a6
              12.Rd1cxd4
              13.exd4h6
              14.b4Bd6
              15.Re1b5
              16.h3Rc8
              17.Qb3Qc7
              18.Bd2Qb6
              19.Be3Ne7
              20.Rac1Nh5
              21.Qd1Nf6
              22.Nh4Rc7
              23.Qd2Nh7
              24.Qc2Nf6
              25.Kh1Ne8
              26.Nf5Nxf5
              27.Bxf5a5
              28.Qb3axb4
              29.axb4Rc4
              30.Na2Nf6
              31.Bd3Qc6
              32.Qb2Qd7
              33.Kg1Nh5
              34.Qd2f5
              35.f4Ng3
              36.Bxc4dxc4
              37.Qb2Rf6
              38.Nc3Ne4
              39.Re2Rg6
              40.Rd1Nxc3
              41.Qxc3Bf3
              42.Rde1Bxe2
              43.Rxe2Qe7
              44.Qb2Re6
              45.Kf2Re4
              46.Qa2Kf7
              47.g3Qb7
              48.Qa3Re8
              49.Qc3Qh1
              50.h4g5
              51.Qe1Qh2
              52.Kf1Qh3
              53.Kg1Qg4
              54.hxg5Bxf4
              55.Bxf4Qxe2
              56.Qxe2Rxe2
              57.gxh6c3
              58.Kf1Re4
              59.Bc1Kg6
              60.d5c2
              61.Bd2Rxb4
              62.d6Rd4
              63.Ke2Rxd6
              64.Ke3Kxh6
              65.Ke2Kg6
              66.Ke1b4

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