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Kameswaran Visweswaran vs Jayson Gonzales
Asian Chess Championship (2005), Hyderabad IND, rd 1, Oct-06
Nimzowitsch Defense: Williams Variation (B00)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Nov-11-05  Elrathia Kingi: Someone posted a good website for visualization awhile back. Does anybody still have the link?
Nov-11-05  Averageguy: <swapmeet> I think you mean 30...hxg5. The pawn is pinned so it can't take. I missed this puzzle, I looked at 31.Ng5+ Kg7 32.Nxe6+ fxe6 but here I only looked at 33.Qf6+ and missed 33.Qe7+.
Nov-11-05  yataturk: Wow got it all the way to the end for the first time on a Friday... Mostly because there were a lot of forced moves. The first move just jumped at me and the rest came forced...
Nov-11-05  SamuelS: I got the game continuation, but what is the correct line after 30. Ng5+ Kg7 31. Nxe6+ Kh7!? I thought of 32. Qe7 Kh8 (32...Rg7 33. Nxg7 Kxg7 34. Rf3 ) 33. Rf7 f5 (33...fxe6 is similar to the game continuation) 34. exf6, but this is a bit unclear to me although the attack is strong and the defenders are on the wrong side of the board.
Nov-11-05  Saruman: <Elrathia Kitong> type CVT chess into google.
Nov-11-05  eaglewing: <SamuelS> Following 30. ♘g5+ ♔g7 31. ♘xe6+ ♔h7 32. ♕e7 ♔h8 just remove the pawn f7 first via

33. ♕f6+ ♔h7 34. ♕xf7+ ♔h8 35. ♕f6+ ♔h8 36. ♕e7+ ♔h8 37. ♖f3 replicating the line from match except a white knight instead a black pawn on e6.

Nov-11-05  SamuelS: <eaglewing>, thanks. Now it is clear to me.
Nov-11-05
Premium Chessgames Member
  jahhaj: I had 30.Ng5+ Kg7 31.Rf3 and was feeling very pleased with myself. Unfortunately 31...hxg5 spoils what would have been a very pretty move.
Nov-11-05  EmperorAtahualpa: oooooooooo, I almost got the entire combination this time! I only missed 35.Qe8, which is a very nice move by the way.
Nov-11-05  TopaLove: ♖f3 is the hardest move to figure out, cause it does not attack the King directly. But whatever black plays, itīs done.
Nov-11-05  dakgootje: partly i did solve it but didnt see 33. ♖f3, think ive got to look a lil more for the more quiet moves...
Nov-11-05  zb2cr: Got it. 33. Rf3 was not that hard to see--it has the threat of Rf7 followed by Rh7#. Black just can't defend. After 33. Rf3.

33. ... Rb8; 34. Rf7, Rg7 just costs a Rook and 34. ... Rgd8; 35. Rh7+, Kg8; 36. Qg7#.

33. ... Qb2; 34. Rf7, Ra8 (Black has no time to take the e-Pawn); 35. Rh7+, Kg8; 36. Qf7#.

33. ... Be2 does nothing about the threat.

33. ... Rg7 is met by the game continuation.

Any others?

Nov-11-05  eaglewing: Hi <ewenardus>, regarding your virtual line without a black move on 32,

33.Rxf7+! Kxf7 34.Qf6+ Ke8 35.Qxe6+

in variant B)
35...Kd8 36.Qxg8+ Ke7 37.Qg7+ Kd8 38.Rxd5+! cd5 39.c6!

the game may well be over following:

39. ... Qc1+ 40. Kh2 Qf4+ 41. Kh1 or g3 Qf5, don't you think? ;-)

And in variant A) after 35...Kf8 36.Qf6+ Ke8 37.e6 it seems Rf8 Qxg6 Ke7 Qg7+ Kxe6 Qxf8 Re4 is playable for Black (unclear with 3P vs. B).

Anyway, move 32 should be used to defend f7 in that line after 30.Ng5+ Kg7 31.Rf3 hg5 32.Qxg5 with:

... Rf8 33. Qf6 Kh7 and
34. Rg3 leads not even to the threat of a perpetual.

Nov-11-05  ewenardus: <eaglewing> Hi, txs for thecomments! And as soon as I post this, I'm deleating my previous post! My analysis was very faluty. Sorry!
Nov-11-05  YouRang: Curses! Missed it, but I shouldn't have. I figured out the first 2 moves (what else?), and I knew that the rook on c3 would be instrumental in the attack. But for some reason, I kept fixating on 32. Qf6+ instead of the far superior 32. Qe7+ (opening the f-file for the rook (like, duh).

So much for going 5/5 this week. :(

Nov-11-05  Swapmeet: <Averageguy> My post was in reference to the line given by <Marius>
Nov-11-05  Dick Brain: Now this is one position none of us would have to be told to look for a win.
Nov-11-05  auntied: Unfortunately, I went for Qf6+ as did some other players. I did win though!
Nov-11-05  Chess Addict: This is the first time I got the puzzle!
Nov-11-05  YouRang: <Visualization failure>. Some of us went for 32. Qf6+?! instead of the better 32. Qe7+! I suspect that this happened because, looking at the board after move 29, we failed to visualize that black's f2 pawn is not there anymore on move 32 because it captured the e6 knight on move 31. By erroneously seeing this "phantom" pawn, we thought it blocked the white queen from checking at e7, and thus missed the best continuation.
Nov-11-05
Premium Chessgames Member
  kevin86: Nice attack by white! The quiet ending move to e8 by the rook is especially good.Black's queen at a3 is a sad lady.
Nov-11-05  MyCatPlaysChess: What happens if black declines the knight sac on move 31 and plays 31...♔h7 instead?
Nov-11-05  YouRang: <MyCatPlaysChess> I think after 31...Kh7, that 32. Qe2 is still pretty strong, threatening Qxf2 (and now the pawn is pinned and the knight is safe).
Nov-21-05  patzer2: White's 30. Ng5+! initiates an attack on Black's weakened castled position, setting up the decisive demolition of pawn structure combination 31. Nxe6+!

Could it be that Black's decisive mistake was 27...Ba6? Instead, 27...g5 28. Qh5 Rg6 29. h4 f6 prolongs the game and might have given Black drawing chances. Also, earlier in the game the possibility 19...c5 20. c3 Qe7 = challenging White's central control and keeping pieces near the threatened Black Kingside seems more prudent.

Nov-21-05  patzer2: <YouRang><MyCatPlaysChess> <I think after 31...Kh7, that 32. Qe2 is still pretty strong..> I think you meant after 31...Kh7, that 32. Qe7! is winning.
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