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Gyula Horvath vs Viktor Kupreichik
Cattolica (1992)
King's Indian Defense: Six Pawns Attack (E77)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Feb-16-08
Premium Chessgames Member
  johnlspouge: As today's chief sucker, I can say unequivocally that the point of the puzzle was to avoid 40...Qe2, if you saw it. After that, it's just to calculate a routine mate in 14... if you feel like it.
Feb-16-08  JG27Pyth: Qe2? :( ....and I was so proud of myself for finding it, it let me stop calculating that Rxg3 line I'd been looking at... *sobs* ...it was too good to be true, too short and sweet for a Saturday, shoulda known better.

Kudos to those who saw the Qh8! defense to Qe2...

Feb-16-08
Premium Chessgames Member
  johnlspouge: <<JG27Pyth> wrote: Qe2? :( ....and I was so proud of myself for finding it [snip] Kudos to those who saw the Qh8! defense to Qe2...>

I know the feeling, <JG27Pyth>! Weren't those just the prettiest li'l ol' mating lines you've ever seen? In my opinion, <zooter> deserves tomorrow off, just for spotting Qh8! today. (In fact, I'll gladly pay him Tuesday...)

Feb-16-08
Premium Chessgames Member
  OBIT: After 40...Rxg3 41. Kxg3 h4+, as White I think I'd play 42. Kh2. However, it looks like Black has mate after 42..Qf4+ 43. Kg1 Qg5+ 44. Kf1 Qc1+! 45. Bd1 Qc2! 46. Bf2 Qd1+ 47. Be1 Qe2+ 48. Kg1 Qg2mate. Neat little zigzag maneuver by the queen.

Okay, reading through all the comments, I see dzechiel pointed out this same mate on page 1. Uh, good job, dzechiel! :)

Feb-16-08  Samagonka: I considered the rook sac but then discarded it for Qc2 because I thought pinning the Bishop beside the King would be better. The solution showed me once again that I was thinking one way. It's been a terrible week for me and I give up! Perharps a week's break will help regenerate my brain cells.
Feb-16-08  TrueBlue: EASY.
Something like this came naturally

40. .. Rxg3 41. Kxg3 h4+ 42. Kh2 Qf4+ 43. Kg1 Qg5+ 44. Kf1 Qc1+ 45. Be1 Qc2 46. Qg8+ Bxg8 47. Rh2 Qxh2 48. Bf2 Qh1+ 49. Bg1 Qg2+ 50. Ke1 Qe2#

Feb-16-08  crazydotaplayer: what happens if the White doesn't play 42.Kxf3 and they play 42. Kh2 I see only a draw after that
Feb-16-08
Premium Chessgames Member
  kevin86: I got this one! At least 90% anyway!

I saw that the queen and bishop could force a great attack on the white-hued (or hewed) squares. Mate will soon follow.

The rook sac was easy-ever if it could be taken in two ways.

Feb-16-08  znprdx: this is a simple massacre - it plays itself - almost everything and anything wins after the almost forced Rx[N]g3 capture. Category: 'Easy'...
Feb-16-08
Premium Chessgames Member
  eternaloptimist: I thought 40....Qe2 was the winning move, but <zooter> pointed out that 41.Qh8+! foils this plan. I looked @ 40....Rxg3, but I didn't find the winning follow up moves. Pretty good exchange sacrifice combo..
Feb-16-08
Premium Chessgames Member
  SuperPatzer77: After 43...Qc3+. White tries to answer 44. Kf4 instead of 44. Ke2 but Black's reply to 44. Kf4 is 44...Qf3+, 45. Kg5 Qg2+!, 46. Kxh4 Qxf2+, 47. Kg5 Qe3+!, 48. Kg4 Be6+, 49. Kh4 Qf4+, 50. Kh5 Qh6# or 50...Bf7#. 0-1

After 45...Qg2+!, 46. Bg3 Qxg3+, 47. Kf5 Qf3+, 48. Kg5 Qe3+!, 49. Kg4 Bf3+!, 50. Kxh4 (or 50. Kf5 Qe5#) Qf4#. 0-1

After 45...Qg2+!, 46. Kf4 (instead of 46. Kxh4) Qxf2+, 47. Kg4 (47. Kg5 Qe3+!, 48. Kg4 Bf3+!, 49. Kxh4 Qf4#) Be6+, 48. Kg5 Qf5+, 49. Kxh4 Qf4+, 50. Kh5 Qh6# or 50...Bf7#. 0-1

Feb-16-08  jovack: I solved this one pretty quickly.
"Very difficult"..? definitely not compared to previous saturdays.
Feb-16-08  Guguni: After 42. Kh2 Qf4+ 43. Kg1 Qc1+ 44. Kh2 again I don't see how black can force a win. Looks like perpetual to me. That is why my winning sequence for the black started not with 40... R: g3, but with 40... Qe2. If 41 N:e2 then ...Rg2# so white has to play 41. Rf1 R:g3 42.K:g3 Q:f1 43. K:f3 and now B:d5+ with a continuing attack on the white king.
Feb-16-08
Premium Chessgames Member
  OBIT: <Gugini>Throw in 43...Qg5+ before ...Qc1. It makes a world of difference. :)
Feb-16-08  wals: Noting think - Tis better to have played and lost than never to have played at all. Or is that loved? Peering at the board I see that white is up a knight for two pawns. The bishops are whte dark sq, black white sq. White has 4 indiv. pawn islands, black also has four but one connected, the rook g7 is under threat, Seems obvious to me that the rook must move How would 40....R x g3 41.B x g3...h4 42.Bxh4...Qf4+
43.Bg3...f3-f2 fare?
PM=
Well I was on the right track but the wrong train!
Two 1/2 moves correct is some consolation.
Feb-16-08
Premium Chessgames Member
  MarkThornton: <Guguni: my winning sequence for the black started not with 40... R: g3, but with 40... Qe2. If 41 N:e2 then ...Rg2# so white has to play 41. Rf1 >

This was also my first idea. But then I saw this line:

40...Qe2?? 41. Qh8+!! Kxh8 42. fxg7+ Kxg7 43. Nxe2 fxe2 and White wins.

Feb-16-08  wals: Gyula Horvath - Viktor Kupreichik, Cattolica 1992

Analysis by Fritz 11: SHOWS THAT THERE IS MORE THAN ONE WAY TO SKIN A CAT 1 depth 21/42 time 5min

1. (-#12): 40...Rg7xg3 41.Qd8-h8+ Kh7xh8 42.Kh2xg3 h5-h4+ 43.Kg3xf3 Bf7xd5+ 44.Kf3-e3 Qc4-c3+ 45.Ke3-f4 Qc3xf6+ 46.Kf4-e3 Qf6-f3+ 47.Ke3-d2 Qf3xf2+ 48.Kd2-c3 Bd5xh1 49.Kc3-b3 Qf2-d2 50.Kb3-c4 Bh1-d5+ 51.Kc4-b5 Qd2-b4#

2. = (0.00): 40...Qc4-c2 41.Rh1-f1 Rg7xg3 42.Kh2xg3 Qc2-g6+ 43.Kg3-f4 Qg6-h6+ 44.Kf4-e4 Qh6-g6+ 45.Ke4-f4

(, 17.02.2008)

Feb-16-08
Premium Chessgames Member
  SuperPatzer77: <crazydotaplayer: what happens if the White doesn't play 42.Kxf3 and they play 42. Kh2 I see only a draw after that>

crazydotaplayer -> no, it is not a draw but Black is winning --> 42. Kh2 Qf4+, 43. Kg1 Qg5+!, 44. Kf1 (44. Kh2 Qg2#) Qc1+, 45. Be1 Qc2 , 46. Bf2 Qd1+, 47. Be1 Qe2+, 48. Kg1 Qg2#. 0-1

Feb-16-08  JG27Pyth: <Johnlspouge: Weren't those just the prettiest li'l ol' mating lines you've ever seen?> Absolutely. Yes. *sigh* That's why finding the Qh8+ impresses the hell out of me... how could anyone not be so entranced by the beauty of the attack arising from Qe2 to actually step back and look for white's defensive resource... a queen sac defensive resource, no less!?... how could anyone resist playing Qe2, how not think: "oh that's gorgeous, I have to play that move!"
Feb-16-08
Premium Chessgames Member
  whiteshark: Within my usual range I saw it all ! :D
Feb-16-08  LivBlockade: <SuperPatzer77: After 43...Qc3+. White tries to answer 44. Kf4 instead of 44. Ke2 but Black's reply to 44. Kf4 is 44...Qf3+, 45. Kg5 Qg2+!, 46. Kxh4 Qxf2+, 47. Kg5 Qe3+!, 48. Kg4 Be6+, 49. Kh4 Qf4+, 50. Kh5 Qh6# or 50...Bf7#. 0-1> I thought White had fewer options in the line 44...Qe5+ 45. Kg4 Kg6 (threatening Qg5 mate). Then if 46. Be3 Qg3# or 46. Bxh4 Qf5+ followed by ...Qf3+ and Qg2#, so it looks like White has to throw away his queen to prolong the game a few moves.
Feb-16-08
Premium Chessgames Member
  zenpharaohs: 40 ... Rxg3

Rybka confirms that this wins. The only thing I missed was that I expected

41 Rg1

to be the best response for white, but Rybka agrees with

41 Kxg3.

Either way, white is trashed.

Feb-16-08  stygian: I found the rook sac pretty quick and also the check with the h pawn. What I missed was white's move 42. Kxf3. I was calculating 42. Kh2 Qf4+ 43. Kg1 Qg5+ 44. Kf1 Qg2+ 45. Ke1 Qxh1+ 46. Kd2 ... At this point I figured black had the winning end game and it looked like just a matter of hunting down the white king. White seemed to have some chance up until move 42, when Kxf3 allowed black to bring the bishop into the king hunt.
Feb-16-08  Funicular: I saw Rxg3 right away, and then i saw that white has no checks to play, and there's an immediate threat of Rg2#, so white needs to capture with the king, or else it's mate. Then i thought of Qg4 and i realized about the h3 pawn :P so i considered h4+ and then the bishop comes into action and i said "it must be it"

Gladly it was :) in any case, the white queen is away of the action, a rook in h1 is not too much of a defensive help...i mean, this was COBVIOUSLY easier than any other regular saturday puzzle :)

Feb-21-08
Premium Chessgames Member
  patzer2: For the Feb 16, 2008 puzzle solution, the demolition tactic 40...Rxg3!! wins.
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