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Vladimir V Kravchenko vs Evgeny E Vorobiov
Kaissa CC (2000), Kharkov UKR, rd 4
Philidor Defense: Larsen Variation (C41)  ·  1-0



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Kibitzer's Corner
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Oct-02-07  Squares: On move 28 Rf7 seems better for black.
Oct-02-07  krusheto: Missed it yesterday like a complete idiot. Today's puzzle though seems easier. I don't know why. Maybe it's because it involves a pseudo sacrifice and that's what I first look for to solve a puzzle. And I have no excuse too - Monday is a queen sac day... I guess this is just a result from the countless nights spent in the library studying lol
Oct-02-07  Aurora: Simple. 33.Rxh7+ KxR 34.Rh4+ Kg7 35.Qh8#
Oct-02-07  znprdx: <Zorts: Why didn't black simply block 29...Re8?> ditto - anyone have an answer? (I don't feel so bad about yesterday)
Premium Chessgames Member
  beenthere240: I especially like the sequence from 14-18 where white was threatening a draw by repetition. His higher rated opponent clearly didn't want a draw, moved ...Qb4 and allowed white's stereotyped "St. George" attack.
Premium Chessgames Member
  Peligroso Patzer: <znprdx: <Zorts: Why didn't black simply block 29...Re8?> ditto - anyone have an answer? *** >

29. ... ♖e8 probably would have been a better practical try, but according to Fritz it still loses to 30. ♕xc5 (with the threat of 31. ♗xb5), for example: 29...♖e8 30.♕xc5 ♖ae6 [30...♖b6 31.♖xd5 ♘xd5 32.♕xd5+ ♖be6 33.♗xb5 ♕a5 34.♗xe8 ] 31.♗xb5 ♕a5 32.exd5 ♖e1+ 33.♖xe1 ♖xe1+ 34.♔a2 a6 35.♕c8+ ♔g7 36.♗xa6 .

Interestingly, Fritz thinks 30. ♕xc5 would also have been strongest against the text (29. ... ♔g7), but Kravchenko's 30. e5 is also good enough for a winning advantage. After 29. ... ♖e8, the only winning move would have been 30. ♕xc5.

Premium Chessgames Member
  beenthere240: I suppose after 29....Re8 30 Qxc5, and depending on black's move Bxb5 or e5 with material advantage and a strong attack.
Oct-02-07  ChessVip: damn! I try to solve in 3 seconds but failed! :( got it in 7secs my blitz skills are badly this week, off course Tal find 33. Rxh7+ with half second :)

Oct-02-07  YouRang: Got it after a couple go-arounds. White nicely makes use of black's own pieces on f7 and g6 to seal off the king's escape from Qh8#.
Oct-02-07  chessmoron: chessmoron's Weekend Puzzle EXTRA

LAST DAY to get your answer on my forum. Click here: chessmoron chessforum

White to play and draw:

click for larger view

Premium Chessgames Member
  playground player: I wonder if it's true that in a game in which the players castle to opposite sides of the board, the Queen's-side castler usually wins.
Premium Chessgames Member
  kevin86: I will take credit for this one,though I played it out. I was looking for something at f6,but it is far too well defended. Rxh6 seemas to obvious---the mate is not,that's why it took so long to find it

33 ♖xh7+ ♔xh7 34 ♖h4+ ♔g7 35 ♕h8#-kind of a diagonal version of an epaulette mate.

Oct-02-07  MostlyAverageJoe: <kevin86: kind of a diagonal version of an epaulette mate>

It even has its own name: dovetail mate (

Premium Chessgames Member
  whiteshark: Who said this:

"In every situation one easily discovers moves of violent, forceful and immediate effect. Their purpose is to produce a change in valuation, so as to humiliate that which is strong and to put into the foreground that which had been but slightly esteemed."


Premium Chessgames Member
  fm avari viraf: To be candid, first second, I saw 33.Qe8 threatening e6 & Rxh7+ but Black can parry with ...Nf8. Doubling the Rooks on the h-file doesn't make any sense & after that it was shoot at sight 33.Rxh7+ Kxh7 34.Rh4+ Kg7 35.Qh8# It's a pity to see that Black pieces never got a chance to attack on the other wing.
Oct-02-07  JamesBJames: Missed Monday's, but got Tuesday's in less than thirty seconds. I have to look for more of these sacs in my game.
Oct-02-07  TheaN: 2/2

It's for the first time ever that I only needed a sight (<1 second) of the puzzle's position to see the entire combination instantly.

33.Rxh7+ Kxh7 34.Rh4+ Kg7 35.Qh8#, completely forced, which is unlikely for Tuesday.

Oct-02-07  PAWNTOEFOUR: well i didn't see it instantly and for the first time i actually pulled my chessboard out...took me about three minutes to find Rxh7+....the rest just seemed to fall into place
Premium Chessgames Member
  patzer2: The decoy 33. Rxh7+!, which initiates mate-in-three, is the solution to today's puzzle.
Premium Chessgames Member
  patzer2: <In every situation one easily discovers moves of violent, forceful and immediate effect.> Emanual Lasker's Manual of Chess.
Oct-02-07  xKinGKooLx: DAMN! A rare Tuesday slip-up for me - I need my eyes tested! I thought 33. Rxg6+, failing to notice the black rook on the other side of the board! I need to look at the whole board next time, not just one bit of it.
Oct-02-07  zb2cr: Like <mkrk17>, I saw that 33. Rxg6+ works IF Black retakes 33. ... hxg6. However, I also noted that if 33. ... Kxg6 or 33. ... Rxg6, White doesn't have an easy follow-up.

After seeing all this, I thought of 33. Rxh7+ ... and the pieces fell into place. In all, about 2 minutes. Long for a Tuesday puzzle, but I diverted myself.

BTW, if Black plays 31. ... Rae6, again 32. Rg4 works, although the mate takes one move longer. 32. ... c4 (or a Queen move); 33. Rxh7+, Kxh7; 34. Rh4+, Kg7; 35. Qh8+, Kf7; 36. Rh7#. In this situation, too, the attack on the Queen buys White the necessary time.

Oct-02-07  pawnofdoom: Easy. Any puzzle that looks anyting like this has the solution Rxh7+! where the king is right next to the h pawn and all of whites pieces are in position to attack. Not only that, the only two check-sacks in the position that I could find were Qxg6+ and Rxh7+. Qxg6 was obviously wrong, so Rxh7 was the onyl possibility. If only finding combinations during a tournament was this easy.But here you are told that you have a combination, unlike a tourney game
Premium Chessgames Member
  gawain: Solved this quickly. The mate by the Queen at h8 is pretty, with the King's escape squares blocked by his own attendants.

A common theme in early-week puzzles but I never get tired of it.

Premium Chessgames Member
  whiteshark: <patzer2: <In every situation one easily discovers moves of violent, forceful and immediate effect.> Emanual Lasker's Manual of Chess. <<>>>

Absolutely right !!!

Third book <The combination>, second paragraph.

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