MESON Chess Problem Database

Problem Display
PID: 233913 (1R6/1pp5/k7/8/8/4Q3/K7/8 w - - 0 1)

Hannemann, Knud Harald

Skakbladet, 1952

1R6/1pp5/k7/8/8/4Q3/K7/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qa3#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Ra8#
      • 1...b5
        • 2.Qa3#
      • 1...b6!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Ra8#
      • 1...Ka5
        • 2.Ra8#
      • 1...Ka7
        • 2.Qxb7#
      • 1...b5
        • 2.Qa3#
      • 1...b6
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);::QAR(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • R(C)
      • Vars
        • P(b);::QAR(B)
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Threat
      • R(C)
    • Vars
      • K(a);P-FLIGHT::R(C)
      • K(a);P-FLIGHT::QAR1(B),XP(b)
      • P(b);::QAR(B)
      • P(b);::QAR2(B)
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