MESON Chess Problem Database

Problem Display
PID: 10219 (8/8/8/2p5/N1K5/N7/k6p/7R w - - 0 1)

Speckmann, Werner

Aachener Nachrichten, 1963

8/8/8/2p5/N1K5/N7/k6p/7R

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa3
      • 2.Ra1#
  • Tries
    • 1.Kc3?
      • 1...Kxa3
        • 2.Ra1#
      • 1...c4!
  • Keys
    • 1.Sb1!
      • 1...Ka1
        • 2.Sbc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT,XS(B)::R(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,XS(B)::R(A)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::R(A)+S(B)
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