MESON Chess Problem Database

Problem Display
PID: 261933 (8/8/8/7p/4KQpk/7p/8/8 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Problemnoter, 1965

8/8/8/7p/4KQpk/7p/8/8

#2

2 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3?
      • 1...g3
        • 2.Qf4#
      • 1...h2!
    • 1.Qe5?
      • 1...g3
        • 2.Qf4#
      • 1...h2!
    • 1.Qf2+?
      • 1...g3
        • 2.Qf4#
      • 1...Kg5!
  • Keys
    • 1.Kf5!
      • 1...h2
        • 2.Qxh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);N_PINP(b)
      • Vars
        • P(b);OGATEB::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(b)
      • Vars
        • P(b);OGATEB::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);CHECK,N_PINP(b)
      • Vars
        • P(b);OGATEB,P_SPINP(b)::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • P(a);OGATEB::QAR2(B),XP(a)
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