Author: Ed Schröder
Date: 08:47:36 02/27/01
Go up one level in this thread
On February 27, 2001 at 08:20:47, Sune Larsson wrote: >On February 27, 2001 at 04:32:01, Paul wrote: > >>On February 26, 2001 at 21:34:07, Sune Larsson wrote: >> >>> >>> [D]8/7b/8/8/1N5p/1pp5/7Q/k1K5 w - - 0 1 >>> >>> >>> It was late one night in the smoky, old club house. Master Paradox was >>> blitzing as white against the stubborn Mr.Doubt. In highest time pressure >>> Master Paradox played 1.Qa2+ and hissed out: "Mate". "Hah, this is no mate. >>> I just take it!", Mr Doubt yelled and played his 1.-bxa2. "I said mate", >>> replied Master Paradox with rugged voice - lifted his knight and placed it >>> with a thud on c6 (2.Nc6). Mr Doubt stared at the position. Naturally he >>> couldn't believe his own eyes...shuffled up the pieces and left the room >>> without a word. >>> >>> True? Not really ;) This position is from Keres. White, a queen up, faces >>> the unpleasant ...b2+. The only way to bring it home is the paradoxical >>> 1.Qa2+! After 1.-bxa2 2.Nc6! black is helpless against the threat 3.Nd4 >>> with mate on b3(c2). A true beauty! >>> >>> Test: This position should be solvable since there is a forced mate. >>> >>> Sune >> >>Hi Sune! >> >>First ... thanks for the positions you've been giving us the last couple of >>days! They sure are educational and easy to understand ... for me at least. >> >>This is really helpful, since I'm not a strong chess player so am having some >>difficulties finding the right knowledge to build into my chess program. I like >>to fiddle with the search, and neglect the eval part :) ... so this is giving >>me some ideas! Although it's not clear to me whether I should use this, coz I'm >>not sure (in light of the results) if even the top programs have this knowledge >>built in! ;) >> >>The above position is a different kind of 'animal' though, it's an easy (at >>least for my program, less than a second :)) forced mate. I knew this one, and >>remembered that I have (dare I say) an even more entertaining position two moves >>prior to this one: >> >>[D]8/7b/8/8/7p/1pp5/7Q/k1K1N3 w - - 0 1 >> >>This is also a forced mate, but a bit deeper than the other one ... enjoy! :) >> >>Groetjes, >>Paul > > Thank you very much Paul! Very nice indeed! After 1.Nc2+ the two different > takings of the knight were refuted. Then 1.-Ka2 2.Nb4++ Ka2 leads to the > first game in the club house ;) Third and last the alternative 2.-Ka3 claimed > a few more moves. Beautiful! > > Sune Yes you post real beauties, please let them come. I enjoy them very much. Ed
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