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Judit Polgar vs Ian Rogers
Biel Interzonal (1993), Biel SUI, rd 10, Jul-27
Caro-Kann Defense: Classical Variation (B18)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  patzer2: For today's puzzle solution, Super GM Judit Polgar finds the amazing clearance and deflection sacrifice 41. Bg6!!

Here's a breakdown of the combination with Fritz 8:

<41. ♗g6!! ♖xd3>

41... Nh6 42. Rxd4

41... fxg6 42. Qxe6+ Qf7 43. Qxc8+

41... Nh4+ 42. Bxh4 fxg6 43. Qxe6+ Kf8 44. Be7+ Nxe7 45. Rh8+ Ng8 46. Rxg8#

41... c5 42. Bh7+ Kf8 43. Bxf5

41... Nde3+ 42. Bxe3 Nxe3+ 43.
Qxe3 c5 44. Bh7+ Kf8 45. Rxd4 cxd4 46. Qxd4

<42. ♗h7+> and 1-0, Black Resigned.

Play could have continued
42...Kf8 43. Bxf5 Nf6 44. Bxd3 .

Sep-07-06  prinsallan: Doh! I looked at a Bishop-sac: 41...Bxf7
What I missed was laughable. That the Queen defends that pawn. I thought 42. Kxf7 was almost forced ^^
Premium Chessgames Member
  al wazir: <Madman99X: What happens after 42... Kf8 ?> 43. Bxf5, threatening 44. Rh8#. If 43...f6 then 44. Qxe6 (again threatening 45. Rh8#), etc. If 43...g6 then 44. Bxd3.
Sep-07-06  dzechiel: Nuts! Missed it. I was looking at a far more complicated and beautiful and faulty combination.
Sep-07-06  KOCCMOHAYT: didn't spot imediatly. Brilliant!
Sep-07-06  question marks: It's a little too early for me to be thinking clearly, but what's wrong with 42. Rh8+ Kxh8 43. Qh5+ ?
Sep-07-06  EmperorAtahualpa: Didn't solve this puzzle, even though I did consider 41.Bg6, but I couldn't make that move work because I missed 42.Qxe6+!

The only move I could come up with was 41.g4.

Sep-07-06  uuft: At least I found out within a second why Bg6 was the answer. Not sooo bad for a thursday for me, although it could have been by accident... Naaah.. ;)
Sep-07-06  2ndNature: I did see 41.Bg6, and I did see 42.Qe6+. What I failed to notice was 42... Qf7 43.Qxc8+ - bugger me :(
Sep-07-06  rookattack: Perhaps a rookie's question , but why does'nt black play 20.... Nxa2?
Sep-07-06  MrPatzer: <rookattack: Perhaps a rookie's question , but why does'nt black play 20.... Nxa2?> Probably because the knight would be trapped. Knights on the rim are indeed grim.
Sep-07-06  TrueBlue: this was screamting to be played, saw it in 2 seconds, about few minutes to figure out what damage it can do :)
Sep-07-06  buzzymind: I did look at 41. ♗g7 and I thought that was the answer. I didn't go through the lines because I liked some different move.

For some reason, I would have most likely played in a real game the simple, 41. ♖xd4 ♘xd4 and now 42. ♕e4. We now have the duel threat of 43. ♕xd4 and 43. ♕h7+ and mate soon to follow. So maybe now 43... ♘f5 and I would then play 44. g4. Black has defences but I had the feeling white may have a winning position here. If lets say 44... g6 then 45. gxf5 gxh5. 46. fxe6 and you can see there are open lines.

Just wondering if anybody else considered this. I spent only a couple of minutes on this so chances are good there are ways for black to defend.

Sep-07-06  buzzymind: Also in my above comment, we may consider that white doesn't even need to play 46. fxe6. He may be better off leaving the e-file closed, maybe 46. f6.
Sep-07-06  Larsker: Missed it. Went for 41...Bxf7. But I learned from it. Nice puzzle.
Sep-07-06  psmith: <buzzymind> in your line after 43.g4 Nh6 what does white have to show for her pawn?
Sep-07-06  KingV93: wow, I surprised myself by getting this one. :)
Sep-07-06  Marco65: <question marks> 42.Rh8+? Kxh8 43.Qh5+ Nh6 44.Bxh6 fxg6 45.Qxg6 gxh6 46.Qxh6+ Qh7 and White is left only with her queen
Sep-07-06  narenillo: <question marks: It's a little too early for me to be thinking clearly, but what's wrong with 42. Rh8+ Kxh8 43. Qh5+ ?>

43 ... Nh6 44. Bxh6 fxg6 and White has nothing to show for her sacrifices.

Sep-07-06  YouRang: Rats - didn't see it. I think I'll have to concede that Polgar is a better chess player than me. :-0

As <Larsker> pointed out -- today's nice puzzle was a lesson. :-)

Premium Chessgames Member
  kevin86: White's last move is like winding up a spring-either way the king moves,black is lost:

42...♔h8 43 ♗xf5+ winning the rook or

42...♔f8 43 ♗xf5 winning the rook again as ♖h8# would follow any move to save it.

A good problem-I missed it,I went for the possible sacs at f7 or h8

Sep-07-06  Ashram64: took me a little while, but nevertheless I found Bg6! due to weak e6pawn. At the ending position, white has setup a windmill situation, where black hopelessly loosing it's materials
Sep-07-06  GoldenKnight: Well, I didn't get this one because I found something else. Judit's is definitely more brilliant, but here goes: 41.Rxd4, and Black's position is quite resignable. If he takes the poisoned rook, then 42.Bxf7+, Kf1, 43.Rg8++. Or, 42. ..., Qxf7, 43.Rg8+, and Black loses his Q (albeit for a R and B, but, the position is still untenable for Black due to the greater mobility of White's Q and B vs. his R and two N -- N's are not as good on an open board).
Sep-07-06  DWINS: <GoldenKnight>, I think you have an incorrect position set up on your chessboard.

After 41.Rxd4 Nxd4 42.Bxf7+, if Black were to play 42...Kf8, 43.Rg8 is not possible. If you meant 43.Rh8+, that also is not mate because White could simply take the bishop with 43...Kxf7.

However, Black would not play 42...Kf8 but would simply take the bishop with 42...Qxf7 and if 43.Rh8+ would play 43...Kxh8 with an overwhelming position.

Sep-07-06  GoldenKnight: You're right -- I seemed to shift the Q to the f file in my mind. Then it would work.
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