MESON Chess Problem Database

Problem Display
PID: 273860 (8/8/pppp4/2k5/8/2K5/2Q5/8 w - - 0 1)

Zimmer, Eligiusz

Suomen Tehtavaniekat, 1999

8/8/pppp4/2k5/8/2K5/2Q5/8

#2

2 + 5

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qf5#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qc4#
      • 1...d5
        • 2.Qb4#
      • 1...b5!
    • 1.Qd3?
      • threat
        • 2.Qc4#
      • 1...b5
        • 2.Qd4#
      • 1...d5!
    • 1.Qa4?
      • threat
        • 2.Qc4#
      • 1...b5
        • 2.Qd4#
      • 1...d5
        • 2.Qb4#
      • 1...Kd5!
    • 1.Qf2+?
      • 1...Kd5
        • 2.Qf5#
      • 1...Kb5!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qb4#
      • 1...d5
        • 2.Qb4#
      • 1...b5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT,S_CUTP(e)::QAR2(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(e);SBLOCK::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);SBLOCK::QAB1(A)
        • P(e);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT,S_CUTP(e)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAR1(A)
      • P(e);SBLOCK::QAB1(A)
      • P(c);SBLOCK::QAB1(A)
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