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Svetozar Gligoric vs Lodewijk Prins
Stockholm Interzonal (1952), Stockholm SWE, rd 13, Oct-05
Horwitz Defense: General (A40)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Sep-29-05  Marvol: I got this one up to Rd3 where I quit calculating ahead because it seemed black cannot counter white's threats. From that point on the attack must succeed and there must be a decisive move to every black's answer - like Rg3+ after ...Bh4.

No need to calculate every variation in advance.

Sep-29-05  ckr: MTxx
50% -
19. Bxh6 gxh6 20. Qxh6+ Kg8 21. Rd3

then I went back to see if c4 could get the knight off stage, didn't work so I stuck with the sac, but could not see it clearly. I found a dubious variation did mate in 15.

Sep-29-05  ckr: 1. Bxh6 gxh6 2. Qxh6+ Kg8 3. Rd3 Bh4 4. Rg3+ Kf7 5. Rf3+ Kg8 6. Qg6+ Kh8 7. Rg3 Bxg3 8. Ng5 Bh2+ 9. Kxh2 Nf6 10. h6 Ng4+ 11. Kh3 Nxf2+ 12. Rxf2 Rf3+ 13. Rxf3 Qg8 14. Qf6+ Qg7 15. Qxg7#

Too many variations to know if it is sound.

Sep-29-05  EmperorAtahualpa: For some reason 19.Bxh6 was the obvious move here, I don't think many of us failed to find it.

However, to find the complete combination until move 24 is much harder! For instance, I overlooked the power of the h-pawn.

Sep-29-05  Halldor: Easy to find the first moves. I thought I had it after 21.Rd3. (22.Rg3+ is brilliant!)
Sep-29-05  Fezzik: Jahhaj,

Thanks for the reality check. Did the computer agree with my lengthy variation though?

Sep-29-05  Fezzik: BTW, Why did White have to play 18.c3? It seems that 18.Bh6 was an easier line than with the N on d5.
Sep-29-05  TheGreatKhan: There is nothing forced after Kf7, black holds pretty well! The position is of course bad and black is down a couple of pawns, but there is no forced continuation or mate as far as i can see! Correct me if i am mistaken! For example the best i can see for white is 22...Kf7 23.Rg7+ Ke8 24.Qg6+ Kd8 25.Rg8 Rxg8 26. Qxg8+ Ke7 27. Qg7+...
Sep-29-05  dl239: what about after 1. Bxh6 gxh6 2. Qxh6+ Kg8 white plays 3. Qg6+ Kh8 4. h6 and this theatens mate by 5.Qg7...what does black do then??
Sep-29-05  kevin86: This was a good example of building an attack;the bishop sac denuded the black king of pawns. The rook sac ushered in the knight and pawn to help the queen deliver the mating blow.Black's pieces seem to be in hibernation on his back row.
Sep-29-05  Sasquatch777: I saw 6...Q-c8. Huh??? Why not just take the queen off the board and hand it over?
Sep-29-05  jahhaj: <TheGreatKhan> The win for White after 22...♔f7 is in my post above.

Why don't people read previous posts before contributing analysis or asking questions? It seems to happen all the time.

Sep-29-05  YouRang: I got as far as 19. Bxh6 gxh6 20. Qxh6+ Kg8 21. Rd3 Bh4 22. Rg3+ (to deflect the bishop away from its defense against Ng5), but I wasn't sure what to do if 23. Kf7, so I stopped there. I've generously decided to give myself credit for getting this one.
Sep-29-05  TheGreatKhan: First <jahhaj> even if you posted something before doesn't mean that it's the finale word on the matter! And calm down, even if one missed your post,don't take is personally! Your line is winning on black, it was always clear black is winning, but as i said again i still don't see anything froced. And it's nothing really original! Anyway, Bxg3 is wrong...
Sep-29-05  chessic eric: <jahhaj> I agree with your sentiments -Folks should read first, post later. There are people who join conversations just to hear themselves speak - you can see in their eyes they are just watching you to see when you'll be done talking (rather than listening) so they can pick right up again. It seems to me that people who post questions before having looked at previous analysis are the <CG> equivalent to this.

<The Great Khan> in <jahhaj's> line 25...,Bxg3, though losing, is actually best for black, since the mate threat on g7 is very strong. 25...,Rg8 fails to 26.Qh6#
25...,Bf6 fails to 26.Nxf6,Nxf6 27.Qg7# or 26...,Rxf6 27.Qg7#

Sep-29-05  TheGreatKhan: It's not the best move 25...Bxg3! Black must not recapture right away, i think, i lead to a mate. The best move and the only way out of mate there on his line (if i am not miscalculating as i don't have an engine) is 25...Rf7!! Black has advantage but there is no mate! 25...Rf7 26. Qxf7 Bxg3 27. fxg3 Qe8...And so on! If you want check it out with a computer, as i don't thoroughly trust my analysis, but i think this one must be right!
Sep-29-05  Rank Amateur: Black looked dead by move 13. Knights in the corners and nothing at all to challenge White in the center. It was a simple task to bring the attack to the Black king. I don't think I'll try that defense. White played 18 c3 to drive off the night. Does the attack work without it? (Eventually, White needs the d3 square, so maybe not.)
Sep-29-05  klausewitz: I got this one, but I see only more two moves after the bxh6...
Sep-29-05  jahhaj: <TheGreatKahn> Wasn't singling you out personally, this happens all the time. OFten I see a post asking a question when two posts ago it was answered. It's clear than many posters are reading nothing. Nor was I claiming the final word on anything.

I agree with your analysis although after say 28.h6 ♕xf7 29.♖xf7 White has a mighty big advantage.

Sep-29-05  Philidor: A few days ago, I performed a similar attack and won. It seems Black lost here by not taking the pushing h-pawn.
Sep-29-05  laytadean: also good is 19.Bh6 gx 20.Qh6 Kg8 21.Qg6 Kh8 22.h6! Bf6 23.Ng5!
Sep-29-05
Premium Chessgames Member
  al wazir: <jahhaj: The win for White after 22...Kf7 is in my post above. Why don't people read previous posts before contributing analysis or asking questions?>

The answer to the question you ask is: 1) Laziness. 2) Impatience. 3) Carelessness. (I've been guilty of all three on occasion.)

The cure is to do respond the way you did, by referring the miscreant to the earlier post. You can drive the point home by the way you say it. For example, "<Shmendrick>: For the answer to your question see <SuperGM>'s post, which has been sitting on page 1 for the past six hours."

Sep-30-05  who: <al wazir> I like your choice of names.
Oct-07-05  patzer2: Gilgoric's 19. Bxh6! initiates a winning demolition of pawn structure combination.
Aug-02-22  cehertan: Just when we thought Prins could not get any weirder, or weaker, in this event.
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