MESON Chess Problem Database

Problem Display
PID: 213417 (8/8/8/1Q6/8/k1Pn4/p7/Kb6 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1991

8/8/8/1Q6/8/k1Pn4/p7/Kb6

#2

3 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qb4#
    • 1...Se1
      • 2.Qb4#
    • 1...Sb2
      • 2.Qb4#
    • 1...Sf2
      • 2.Qb4#
    • 1...Sb4
      • 2.Qxb4#
    • 1...Sf4
      • 2.Qb4#
    • 1...Sc5
      • 2.Qb4#
    • 1...Se5
      • 2.Qb4#
  • Keys
    • 1.Qc4!
      • 1...Sb4
        • 2.Qxb4#
      • 1...Bc2
        • 2.Qxa2#
      • 1...Sc1
        • 2.Qb4#
      • 1...Se1
        • 2.Qb4#
      • 1...Sb2
        • 2.Qb4#
      • 1...Sf2
        • 2.Qb4#
      • 1...Sf4
        • 2.Qb4#
      • 1...Sc5
        • 2.Qb4#
      • 1...Se5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::QAB1(C)
    • S(d);N_GUARD::QAB1(C),XS(d)
  • Actual
    • Q(C);
    • Vars
      • S(d);N_GUARD::QAB1(C),XS(d)
      • B(a);N_GUARD::QAR1(C),XP(b)
      • S(d);N_GUARD::QAB1(C)
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