MESON Chess Problem Database

Problem Display
PID: 110497 (8/4P3/1Q6/4P3/1N2k1K1/8/8/8 w - - 0 1)

Szasz, Lajos

Funkschach, 1926

8/4P3/1Q6/4P3/1N2k1K1/8/8/8

#2

5 + 1

6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.e8Q#
      • 2.e8R#
  • Tries
    • 1.Kg5?
      • 1...Kxe5
        • 2.e8Q#
        • 2.e8R#
      • 1...Kf3!
    • 1.Qd8?
      • 1...Kxe5
        • 2.e8Q#
        • 2.e8R#
      • 1...Ke3!
  • Keys
    • 1.e8S!
      • 1...Kxe5
        • 2.Qe3#

This anticipates 171439(1998)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(C)::P=Q
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,XP(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT,XP(C)::P=Q
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);P-FLIGHT,XP(C)::QAR2(D)
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