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Mark Lockwood Condie vs Jonathan Speelman
Brighton Zonal (1984), Brighton ENG, rd 2, Dec-13
Nimzo-Indian Defense: Normal Variation. Botvinnik System (E49)  ·  0-1

ANALYSIS [x]

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sac: 25...Rxh5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Jan-03-19
Premium Chessgames Member
  An Englishman: Good Evening: The entire game has much of interest, esp. Black's determined attempts to sacrifice a pawn and White's refusal to capture. 7...e5!? is an extremely rare Albin-Budapest deferred hybrid countergambit, and somehow, just writing that seems to explain why. 14...b5 is a nice trap; 15.Qxb5,Bd7; 16.Qb3,Rb8 hurts a little. Not sure why White didn't play 16.axb5, because his position has gotten so problematic he might as well have a pawn for consolation.
Jan-03-19
Premium Chessgames Member
  ChessHigherCat: <Spiel, Mann!>

This might work:

25...Bf3 26. Be7 Rxh5 27. Ke1 Qc8 28. Qb2 Rh1+ 29. Kd2 Rd1+ 30. Kc2 Rf1 31. Rxf3 exf3 32. Qb5 Rxf2+ 33. Kd1 fxg2

Jan-03-19
Premium Chessgames Member
  ChessHigherCat: Whoops! I got a lot of the ideas right I had to play Rxh5 on the first move instead of the second.
Jan-03-19  5hrsolver: I got it because it's medium difficulty. I kept the ideas simple.
Jan-03-19  Cheapo by the Dozen: My initial thought was the game line, but I also looked at flipping the first two moves, which seems to have been not nearly as good a choice.
Jan-03-19  goodevans: Odd sort of puzzle, this. Black has a great attacking position but how can he deal with the threat of <26.Be7>?

Most moves just aren't quick enough. So, for example, <25...Bc8> doesn't work because after <26.Be7 Qe8 27.Bxg5 Bxb7> white has <28. Bxh6>.

Only the threatened mate of <25...Rxh5> has sufficient immediacy. Black's B is safe from capture because of the <26.Rxg4 Qc8> fork (26.f3 would be better) so that's it. Job done. Carry on with the attack.

Jan-03-19  Walter Glattke: Qc8 is absolute deadly, e.g. 27.Ke2 Qxg4+
28.Kd2 Qxg2 29.Kc1 Rh2 wins, so is 25.-Bf3 26.Rxg5 Qxg5 27.f3 Qh5
Jan-03-19  Mayankk: I had a slightly different move order.

25... Rxh5 26 Rxg4 Rh1+ 27 Ke2 Qc8 forking both the Rooks.

Not sure if this order works as well.

Jan-03-19  dTal: I solved this puzzle and I am really impressed by how B transforms his position after 24. Rg3. Optically W has a rook on the open file, what seem like more active pieces and threats to infiltrate on the 7th rank. Contrast this with the final position, B is up an xchg, his rooks are linked on the open file and he's crashing through! This is how GMs play Chess!
Jan-03-19
Premium Chessgames Member
  malt: Got 25...R:h5 26.f3
(26.R:g4 Qc8 )26...Rh1+ 27.Kf2 Qc8 28.Rb1 R:b1 29.Q:b1 Rb8
Jan-03-19
Premium Chessgames Member
  agb2002: White threatens Be7.

The first idea that comes to mind is 25... Rxh5, threatening Rh1#, capturing a pawn, clearing the path to h4 for the queen and avoiding the double attack if Be7:

A) 26.Rxg4 Qc8 wins an exchange and a pawn.

B) 26.f3 Rh1+

B.1) 27.Ke2 Qh4 28.Kf2 (28.Rxg4 Qe1#; 28.fxg4 Qxg3 and mate soon) 28... Bxf3 wins a second pawn with an overwhelming position (29.gxf3 Rh2+ wins).

B.2) 27.Kf2 Bxf3 28.gxf3 (due to Bd1 followed by Qf6+) 28... Qh4 and White is defenseless against Rh2+.

C) 26.Kg1 Qh4 27.f3 Qxg3 28.fxg4 Qxe3+ is crushing (29.Qf2 Rh1+).

D) 26.Ke1 Rh1+ 27.Kd2 Rd1+ 28.Qxd1 Bxd1 wins decisive material.

Jan-03-19
Premium Chessgames Member
  agb2002: I forgot

E) 26.f4 Rh1+ 27.Kf2 h5 followed by Qc8 and h4, winning decisive material.

Jan-03-19  saturn2: I saw 25...Rxh5

26. Rxg4 Qc8 27. Rxg7+ Kxg7 winning an exchange

26. Kg1 Qh4 27. Rh3 Bxh3 28. gxh3 Qxh3 winnning the game

Jan-03-19  zb2cr: Okay, after 25. ... Rxh5; 26. Rxg4, Qc8 Black wins the exchange.
Jan-03-19
Premium Chessgames Member
  landshark: Better than yesterday for me - I saw here that 25... Qc8 fails because of 26.Rb1 and now .... Rxh5 is well defended by 27.Ke1 when ... Rh1+ 28.Kd2 and B no longer has the resource ... Rd1+. So Rxh5 has to be done immediately. Strike when the iron is hot!
Jan-03-19  drollere: <B) 26.f3 Rh1+>

this was the best counter for W i could find after the blunder 25. Rg3

Jan-03-19
Premium Chessgames Member
  dzechiel: While I considered 25...Rxh5, I also liked 25...Qc8. I now see that <landshark> seems to have a nice defence against that move. :(
Jan-03-19
Premium Chessgames Member
  swclark25: I agreed with 25)...Rxh5 first, but then went with 26) Rxg4 Rh1+ 27) Ke2 Qc8 to check the King and then fork the Rooks.

Does this also work?

Jan-03-19  cormier:


click for larger view

Analysis by Houdini 4 d 27 dpa done

<1. = (-0.12): 18.Qb4> Rb8 19.Qd6 Qxd6 20.Bxd6 Rb3 21.Rc1 Bd7 22.a5 h6 23.Kd2 Rb2+ 24.Rc2 Rb5 25.Rcc1 a6 26.Bb4 g6 27.Rb1 Kg7 28.Rb2 Reb8 29.Rbb1 Bg4 30.Rhg1 Be6 31.f3 Bd7 32.Ke2 Bf5 33.Ra1 exf3+ 34.gxf3

2. = / + (-0.30): 18.Qb7 h6 19.Qb4 Rb8 20.Qd6 Qxd6 21.Bxd6 Rb3 22.Be5 Nd7 23.Bd6 Be6 24.h5 Nf6 25.Rc1 a5 26.0-0 Kh7 27.Rc2 Ng4 28.Re1 Rb7 29.Bc5 Nf6 30.Bd6 Bd7 31.Ra1 Bc6 32.Rca2 Rb3 33.Rc1 Ng4 34.g3 Rd8 35.Bc7 Ra8 36.Kg2 Ra7 37.Be5 Rab7 38.Rd2

Jan-03-19  cormier:

<An Englishman> Not sure why White didn't play 16.axb5, because his position has gotten so problematic he might as well have a pawn for consolation.

if 16.axb5?


click for larger view

Analysis by Houdini 4

16...Bxe2 17.Kxe2 Qd7 18.Ra4 Rab8 19.Rb4 Rb7 20.Ba1 Rfb8 21.Qa4 Rb6 22.Rf1 R8b7 23.Nxd5 Qg4+ 24.Ke1 Nxd5 25.Rxc4 Rxb5 26.Kd2 h6 27.Rc5 - / + (-0.89) Depth: 15

16...Bxe2 17.Nxe2 Qd7 18.Bc1 Rfb8 19.Ra6 Rxb5 20.Qa2 Qb7 21.Nf4 Rb3 22.0-0 Rxc3 23.Qa4 h6 24.Re1 Ng4 25.Ne2 Rb3 26.Qc6 Qxc6 27.Rxc6 Rd8 28.Nf4 Rc3 29.Rc5 Nf6 30.Bd2 Rc2 31.Ba5 Rb8 32.Rf1 Ra2 33.Bc3 Rb3 34.Be1 Nb6 35.Bc3 Nbd7 36.Rc8+ Kh7 37.Rc1 a5 - / + (-1.00) Depth: 24

Jan-03-19  cormier:


click for larger view

Analysis by Houdini 4
17.Bxg4 Nxg4 18.axb5 a6 19.Qd1 f5 20.b6 Nxb6 21.Bc5 Nc4 22.Qa4 Nb2 23.Qc2 Nc4 24.Qa4 Nb2 = (0.00) Depth: 26

Jan-03-19  1stboard: What happens if white plays 26 ... Kg1 , other than being a pawn down and not as free a position as black , where is the win for black?
Jan-03-19  5hrsolver: 26.Kg1 Qh4
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