Oplossing opgave 64 (van 17 december)

Vanuit bovenstaande stelling won wit in enkele zetten! Na drie zetten om precies te zijn (twee van wit en één van zwart) gaf zwart op. Hoe kan dat wel in zijn werk zijn gegaan?

Oplossing: partijslot Brinckmann-Keller (Bad Oeynhausen 1939)

Roelof Kroon, mijn medeclublid van de SC Ten Boer deelt mij het volgende mee:

Ik zit te denken aan 1. Th7+ Kxh7 2. Df7+ Kh8 3. Td8 en er dreigt mat.

Ik (Albert) denk op mijn beurt dat daar geen speld tussen te krijgen is, alleen ging het in de partij enigszins andersom: 1. Td8 Txd8 (wat anders?) 2. Th7+ en zwart gaf op, omdat hij na 2. ... Kg8 3. Df7 mat staat, of na 2. ... Kxh7 3. Df7+ Kh8 4. Dg7 eveneens is uitgeteld.

Schaken in de literatuur (3):

Het verslaan van een schaakcomputer kan onvermoede risico's met zich meebrengen!

Two or three times after moving a piece the stranger slightly inclined his head, and each time I observed that Moxon shifted his king. All at once the thought came to me that the man was dumb. And then that he was a machine - an automaton chess-player! Then I remembered that Moxon had once spoken to me of having invented such a piece of mechanism, though I did not understand that it had actually been constructed.

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Presently Moxon , whose play it was, raised his hand high above the board, pounced upon one of his pieces like a sparrow-hawk and with the exclamation "checkmate!" rose quickly to his feet and stepped behind his chair. The automaton sat motionless. The wind had now gone down, but I heard at lessening intervals and progressively louder, the rumble and roll of thunder. In the pauses between I now became conscious of a low humming or buzzing which, like the thunder, grew momentarily louder and more distinct. It seemed to come from the body of the automaton, and was unmistakably a whirring of wheels. It gave me the impression of a disordered mechanism which had escaped the repressive and regulating action of some controlling part - an effect such as might be expected if a pawl should be jostled from the teeth of a ratchet-wheel. But before I had time for much conjecture as of its nature my attention was taken by the strange motions of the automaton itself. A slight but continuous convulsion appeared to have possession of it. In body and head it shook like a man with palsy or an ague chill, and the motion augmented every moment until the entire figure was in violent agitation. Suddenly it sprang to its feet and with a movement almost too quick for the eye to follow shot forward across table and chair, with both arms thrust forth to their full length - the posture and lunge of a diver. Moxon tried to throw himself backward out of reach, but he was too late: I saw the horrible thing's hands close upon his throat, his own clutch its wrists. Then the table was overturned, the candle thrown to the floor and extinguished, and all was black dark.

Fragment van het verhaal: Moxon's Master

Uit: Bierce, Ambrose: Ghost and horror stories of Ambrose Bierce. - Selected and introduced by E.F. Bleiler. - New York: Dover publications, 1964. - 199 p.

Voor het eind van het verhaal zal men toch even richting boekhandel of bibliotheek moeten......