No. 172, August 1998
10097 - Alexander Zolotarew
Die Schwalbe Heft 172, 08/1998
12+9. What is the minimal number of Queen moves?
11+13. First move of the wPh2?
12+12. Last 29 single moves?
14+9. How many figures must be promotees so that White may mate in 2 in all cases?
10+14. Proof game in 20 moves
14+14. Proof game in 29.5 moves
12+4. May White castle right
(b) wRh3 -> wNh3
(c) Rh3 -> h1
12+12. Is White O-O legal if bPb6 came from b7?
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...