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Wolfgang Unzicker vs Stuart C Conquest
Bundesliga (1986/87), GER
Sicilian Defense: Dragon. Classical Variation Battery Variation (B73)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  al wazir: Unzicker must have foreseen the possibility of trapping black's ♕ when he played 20. Nd5. Conquest missed it. So did I.
May-07-06  TrueBlue: well, United, queen looks dangerous at h3, how can you ask her to leave, Rh2 looks natural to me.
May-07-06  rdthieme: I am new here and a complete Patzer, but what happens if 22 . . . Qd8? The knight fork doesn't work because the Queen just takes it. And the exposed attack by the rook on the Queen also fails because the rook is undefended. What am I missing?
May-07-06  United33: <TrueBlue> well, i was thinking about 23.Ne7+ and exhange my knight for a rook or at least 23.Nf6+. I really missed 23.Rh2 to trap the queen. I think Queen on h3 doesn't look dangerous because the only support is bishop, and white have a queen, a rook and a king to defend the area.
May-07-06  pawntificator: <rdthieme>, after 22...Qd8 23. Nf6+ Qxf6 the queen is lost (24. Rxf6) because there is still a rook on f2, defending knight.
May-07-06  rdthieme: <pawntificator> after 22...Qd8 23. Nf6+ Qxf6 the queen is lost (24. Rxf6)

Right. I forgot about that rook.

May-07-06  EmperorAtahualpa: Missed this one. :( Still, I regard this as one of the easier Sunday puzzles..
May-07-06  Open Defence: geez I was looking at all the strange moves and not for the obvious ones ... tsk tsk
Premium Chessgames Member
  patzer2: <rdthieme> The tactic 22...Qd8 23. Nf6+! is classified as a "discovered attack," which in this case per is sometimes referred to as a "discovered attack with check." You can find an explanation of this tactic and the related subcategory "discovered check" on pages 19 to 22 at, which is an excerpt from the book "Killer Chess Tactics." You might also find the explanation at helpful.
May-07-06  c o r e: Well I got as far as winning the exchange for the h pawn, but I was certain this wasn't the complete answer. Lo and behold, the complete answer is so much nastier.
Premium Chessgames Member
  patzer2: Black's last best chance to hold appears to be 19...Qg3 20. Qxg3 Bxg3 =. Fritz 8 indicates Black can survive with only a slight disadvantage after the odd looking 20...Kg7 21. b3 , but it's not a position I'd like to have to defend.
May-07-06  JSYantiss: patzer2, if 21...Bxd5, then 22. Bf6 were played, Black could play 22...Qxe4 and be up a pawn.
Premium Chessgames Member
  patzer2: Yes, but after 21...Bxd5 22. Bf6 Qxe4 23. Qh6 Black gets mated.
May-07-06  Fezzik: Chessgames had the interesting chance of showing Unzicker beat Tal (yesterday) and then beat Botvinnik. That game was probably more worthy of being a Sunday puzzle than this one. Botvinnik resigned after missing the game-winner!

I *almost* agree that this isn't worthy of being a Sunday puzzle. 21.Be5 is an obvious move for a real game situation (not just a puzzle), and 22.g3 is an obvious follow-up. But 23.Rh2! is a bit more difficult to see. Having said that, White was winning anyway, so 23.Rh2 wasn't absolutely necessary.

May-07-06  LIFE Master AJ: Taking on h3 looked like a blunder ... but I guess It did not matter. Originally, I thought that 22...Qd8 held, but now I see that it does not.
May-07-06  TrueBeige: Trust me, Nobody cares, TrueBlue. . .
May-07-06  Paintbucket: I tried Qh6, a rook sac, and the knight forking the king and rook. I was nowhere close with either of the three.
May-07-06  aazqua: Qh3 is ridiculous. Qd8 obviously fails. At least qh5 holds things while giving up the exchange.
May-07-06  dakgootje: Okay this puzzle was just too simple for a sunday. Not because i got it and because im sooooo brilliant that i can say that every sunday puzzle is way too easy, as those things arent true, but for the simple reason that it was too obvious and easy. I mean, ive been away for the weekend, come back here at around... 10.30 PM, after having some busy and intensive days and i just though, well have a quick look at the puzzle and if you havent got it in 5 minutes yet (which would be extraordinary fast for a sunday puzzle) then you read the comments, maybe comment on one of them, and then just get some sleep... Now is the case that i got the puzzle in those minutes as sleepy as i was, so the only conclusion i can think about at the moment is that the puzzle was too easy.
Premium Chessgames Member
  kevin86: A very ingenious queen trap. The puzzle was less deep than the usual Sunday puz-but the chase of the "lesser" monarch was a great curve.
May-07-06  wals: Thank you patzer2 for your clear concise comments on, and dissection of this and other games. Very well done.
May-07-06  cavaleiro: beautiful!
May-07-06  jperr75108: Good puzzle for a sunday. The queen trap is hard to see.
May-07-06  Fezzik: I wonder where Lifemaster AJ would have placed the Black queen instead of taking on h3. He suggests that 22...Qh3 is a blunder. Every legal square loses the Queen in some way, so 22...Qh3 looks like the most testing way against a human. (A computer would look to exchange the queen for a rook, but a human would know it doesn't make a difference and 23.Rh2! is a *bit* difficult to see for a human.)
May-08-06  Greginctw: Took me over twenty minutes to see this one into entirety, but I got it finally! I wasted so much time looking at so many crazy stupid variations. Calculated everything but the obvious.
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