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Toufeeq Catalan vs Naji Alradhi
Dubai (1983)
King's Indian Defense: Four Pawns Attack. Florentine Gambit (E77)  ·  1-0



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sac: 21.Rh8+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Jun-01-07  euripides: For an alternative way of handling the black defence against a specialist on the White side of the opening:

Vaisser vs Kasparov, 1981

Jun-01-07  mikrobi: After 24..., Kxd6 (instead of Kd8)
25 Qxe8, g3+
26 Kg1!, Qc1
27 Bd1 by Fritz...
Jun-01-07  greensfield: I got the the first few moves < 21.Rh8+ Nxh8 22.Qh7+ Kf8 23.Qxh8+ Qg8 > then continued < 24.Qxg8+ Kxg8 25.fxg4 > So I missed the killer move < 24.Qf6! > on this line. I also missed Blacks better defence 23...Ke7 & the crux of the puzzle, the queen sac. All in all, not very good on this one.
Jun-01-07  mkrk17: too ..i guess i got upto Qxh8+ Qg8, but i didnt get Qf6.

I guess these are the silent moves which one needs to figure out in order to make combinations work.

Jun-01-07  AlfieNoakes: Lovely combination forcing the queen fork. Way beyond me to find all that!
Jun-01-07  DIO: One question to everyone ... do you guys use a board when you go over the puzzles? Mon to Fri I check the puzzles from work, so I naturally don't have a board. Sat & Sun I like to set up the board and go over the variations with a cup of morning coffee or tea.
Jun-01-07  nimzo knight: Can any one believe I got the whole puzzle at one go. IS IT FRIDAY. I cant see why black took the pawn, it was well defended by knight fork.
Jun-01-07  C3r3brum: <DIO> I am in the same situation, I don't have a board mon-fri either. But I actually got this one (my first friday). But as I didn't have a board I started to analyze the position instead and found that white must do something dramatical to improve his position, the queen move took me a long time to figure without a board, but the potential knight fork paved the road to victory.
Jun-01-07  YouRang: Oh well. I got Mon-Wed right!

I saw the exchange sac which allowed the queen to invade with check at h7. This seemed promising, but the proof that this could win was too far and faint for me to see. And I don't think I'd ever have seen the point behind the queen-for-rook sac (25. Qxe8+!) -- surely not at move 21!

Good, but tough puzzle.

Jun-01-07  Whitehat1963: Wow! Amazing finish!
Jun-01-07  Marmot PFL: <I cant see why black took the pawn, it was well defended by knight fork.> Not like he had much choice.

Good problem Qxe8+ is easy to see once you get there, but from move 21 was too hard.

Premium Chessgames Member
  Peligroso Patzer: <<I can't see why black took the pawn, it was well defended by knight fork.> Not like he had much choice. >

I have not checked this with a computer - or even with a chessboard, but would not 28. ... Kf5 (in lieu of 28. ... Kxd6) 29. Bd3+ Kf6 30. Ne4+ Kg6 31. Nxg5 Kxg5 have put up more resistance, even though after 32. Be4, Black would have been unable to develop his remaining Q-side pieces (R and B)?

Jun-01-07  WBP: <I cant see why black took the pawn, it was well defended by knight fork> I'm not sue if he could do otherwise. 28...Kxf6 allows the knight fork anyway, and 28...Kf5 is answered by 29. Bd3+, and if 29...Kf4, then 30. Nd2#, or if 29...Kf6, we get the knight fork again.
Jun-01-07  YouRang: <Peligroso Patzer: <<I can't see why black took the pawn, it was well defended by knight fork.> Not like he had much choice. > I have not checked this with a computer - or even with a chessboard, but would not 28. ... Kf5 (in lieu of 28. ... Kxd6) 29. Bd3+ Kf6 30. Ne4+ Kg6 31. Nxg5 Kxg5 have put up more resistance...>

I think that in your line, white can improve on 31. Nxg5 by instead playing 31. Rg8+!, picking up the queen scott free AND having the black king pinned to the h-file.

Jun-01-07  YouRang: (continuing previous thought on not playing 31...Kxd6)

...Not to mention, that pawn on d6 that we DIDN'T take now presents a dangerous promotion threat!

Premium Chessgames Member
  fm avari viraf: <Peligroso Patzer, but would not 28...Kf5 [ in lieu of 28...Kxd6 ] 29.Bd3+ Kf6 30.Ne4+ Kg6 31.Nxg5 Kxg5 have put on more resistance ...> Well, u seems have over looked 32.d7 which brings the curtains down. Definitely, a tough one, but easy to spot 21.Rh8+ the only way to invade & keep the attack going. But it's a difficult proposition to get to the very end of this beautiful combination.
Jun-01-07  Isolated Pawn: First of all, this is my first Friday I've solved all of the way to the end. So congrats to me.

<dzechiel>, I too was intrigued by 25. Bb5, but I'm having trouble finding a winning line after ...Qd2+.

Premium Chessgames Member
  playground player: Once I realized the ball starts rolling with Rh8+, Nxh8, Qh7+, whichever way I did the King chase led me to the Knight fork, winning Black's Queen.
Jun-01-07  dzechiel: <Isolated Pawn: <dzechiel>, I too was intrigued by 25. Bb5, but I'm having trouble finding a winning line after ...Qd2+.>

I agree, I should have looked closer. Black can even play 25...Bd7 and it all starts to fall apart for white.

Jun-01-07  IMDONE4: Not seeing the queen sac kinda defeats the entire purpose of the puzzle and combination. If you started the combination and couldnt end it, your lost.
Jun-01-07  Gilmoy: I saw the 23.. Qg8 24.Qf6 line [missed it OTB once, won anyways], and the 23.. Ke7 24.d6+ idea. In fact, they cross-fertilize: 23.. Qg8 24.d6 works too, as Black can't trade Qs while his R dangles. Then 24..Re6 25.Ne4 and White still has the threat of Qc3-Rh8. 25.. (f5,f6) 26.Bc4.

I saw that d6 is protected by the N fork. I missed 24.. Kd8 and the Q sac -- if I got there OTB, I'd check the line and probably find it. It's somewhat risky to sac an exchange without a forced win in mind, but sometimes our intuition tells us we'll have enough compensation.

Jun-01-07  aazqua: A nice combination. The real key is in realizing that many squares are verbotten for the king (especially that pawn) because of the knight fork. The first few moves were clear enough - then it wsa just a case of realizing that you could eliminate all of the other sqaures.
Jun-01-07  PositionalTactician: Wow! This is a really nice one!
Jun-01-07  Zorts: At first I tried 21.Rh8+ but overlooked 22.Qh7+ so then I tried 21.Nd4--Excellent Friday puzzle!!
Jun-02-07  kevin86: Excellant puzzle!. The long attack leads to an unexpected queen sac and queen fork at the end! A neat surprize package to open!
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