MESON Chess Problem Database

Problem Display
PID: 226743 (8/8/8/8/K7/8/kp6/b2Q4 w - - 0 1)

Hultberg, Gustav Herbert

Deutsche Schachzeitung, 1967

8/8/8/8/K7/8/kp6/b2Q4

#2

2 + 3

15148 Sadier Collection 2020
3713 Snap 2026

SOLUTION

  • SOUND
  • Sets
    • 1...b1S
      • 2.Qb3#
    • 1...b1B
      • 2.Qb3#
  • Tries
    • 1.Qf3?
      • 1...b1Q
        • 2.Qa3#
      • 1...b1S
        • 2.Qb3#
      • 1...b1B
        • 2.Qa3#
        • 2.Qb3#
      • 1...b1R
        • 2.Qa3#
      • 1...Kb1!
  • Keys
    • 1.Qd3!
      • 1...b1Q
        • 2.Qa3#
      • 1...b1S
        • 2.Qb3#
      • 1...b1B
        • 2.Qa3#
        • 2.Qb3#
      • 1...b1R
        • 2.Qa3#

Anticipated by 284504(1944)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(c);::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(c);SBLOCK::QAR1(A)
        • P(c);::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • P(c);SBLOCK::QAR1(A)
      • P(c);::QAB1(A)
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