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Die Schwalbe

No. 172, August 1998

10097 - Alexander Zolotarew
Die Schwalbe Heft 172, 08/1998

[3qr1Nb/4nprP/4pKR1/6BQ/5k1B/P2P1P2/4PPb1/8] (solution)

12+9. What is the minimal number of Queen moves?

 


10098 - Alexander Kisljak
Die Schwalbe Heft 172, 08/1998
Ded. Günter Lauinger 50th birthday

[4nbN1/BBPPRPp1/1Pkqrp2/Kpprp3/2pp4/2P3P1/88] (solution)

11+13. First move of the wPh2?

 


10099 - Alexander Zolotarew
Die Schwalbe Heft 172, 08/1998

[6BR/p5pr/1p3ppQ/1Pp2p1K/8/4PP1k/2P1PPnr/5BnR] (solution)

12+12. Last 29 single moves?

 


10100 - Werner Keym
Die Schwalbe Heft 172, 08/1998
Ded. Günter Lauinger 50th birthday

[1B6/N2p1ppp/6R1/3Pp1P1/4Pkrb/PPP3N1/3PP3/n3K2R] (solution)

14+9. How many figures must be promotees so that White may mate in 2 in all cases?

 


10101 - Olli Heimo
Die Schwalbe Heft 172, 08/1998

[rn4n1/p2kbP2/2p1bqp1/R6p/P6P/Kppp4/5P2/1NB2BN1] (solution)

10+14. Proof game in 20 moves

 


10102 - Peter van den Heuvel
Die Schwalbe Heft 172, 08/1998

[2bn4/1p1ppp2/5p2/2prn3/p1P1k3/RP2PPP1/Pq1QP1Pb/R4BNK] (solution)

14+14. Proof game in 29.5 moves

 


10103 - Peter Schäfer
Die Schwalbe Heft 172, 08/1998

[B7/P1Ppp1p1/1k6/3Q4/1P6/5P1R/6PP/R3KB2] (solution)

12+4. May White castle right now?
(b) wRh3 -> wNh3
(c) Rh3 -> h1

 


10104 - Alexander Hölle
Die Schwalbe Heft 172, 08/1998

[r2qkb2/2ppp1p1/1pn4p/p1N5/8/P4P1P/1PRPP1P1/2B1K2R] (solution)

12+12. Is White O-O legal if bPb6 came from b7?

 


10106 - Frank Genenncher
Die Schwalbe Heft 172, 08/1998

[8888/4p1p1/1p1pP1P1/1P1P3B/k1K5] (solution)

6+5. Try to find n (n=1,2,3,...) move-pairs (i.e. one white + one black move) in which White makes sure that Black can't win, i.e. the position remains a draw.
Try to find the number A(n) of different possible white-black moves as a function of the movenumber n.
A(n) leads to a well-known number-series...