MESON Chess Problem Database

Problem Display
PID: 231420 (8/8/8/8/8/3pN1p1/3K1kp1/Q7 w - - 0 1)

Hannemann, Knud Harald

Svenska Dagbladet, 1927

8/8/8/8/8/3pN1p1/3K1kp1/Q7

#2

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...g1Q
      • 2.Qf6#
    • 1...g1S
      • 2.Qf1#
    • 1...g1B
      • 2.Qf6#
      • 2.Qf1#
    • 1...g1R
      • 2.Qf6#
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qxg2#
      • 1...Kg1
        • 2.Qxg2#
      • 1...g1Q
        • 2.Qf8#
      • 1...g1S
        • 2.Qg2#
      • 1...g1B
        • 2.Qg2#
        • 2.Qf8#
      • 1...g1R
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR(A)
    • P(b);N_GUARD::QAR1(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(b)
    • Vars
      • K(a);S_FLIGHT::QAR1(A),XP(b)
      • P(b);SBLOCK::QAR(A)
      • P(b);::QAR1(A)
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