MESON Chess Problem Database

Problem Display
PID: 287452 (8/5pQ1/5p2/2P1k3/8/1B3K2/8/8 w - - 0 1)

Zimmer, Eligiusz

Problem Paradise, 2020

8/5pQ1/5p2/2P1k3/8/1B3K2/8/8

#2

4 + 3

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Tries
    • 1.Qh8?
      • 1...Kf5
        • 2.Qh5#
      • 1...Kd4!
    • 1.Qg1?
      • 1...f5
        • 2.Qa1#
      • 1...Kf5!
    • 1.Qxf7?
      • threat
        • 2.Qd5#
      • 1...Kf5
        • 2.Qh5#
      • 1...f5
        • 2.Qg7#
      • 1...Kd4!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qh5#
      • 1...f5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);N_GUARD,N_SPINP(b),P-FLIGHT,S_CUTP(b)::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);N_PINP(b)
      • Vars
        • P(b);SBLOCK::QAB(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);N_PINP(b),XP(c)
      • Threat
        • QAR1(D)
      • Vars
        • K(a);N_GUARD,P-FLIGHT,P_SPINP(b)::QAR2(D)
        • P(b);OGATEB,SBLOCK::QAB(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);N_PINP(b)
    • Threat
      • QAB1(D)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • K(a);N_GUARD,P-FLIGHT,S_CUTP(b)::QAR2(D)
      • P(b);OGATE,SBLOCK::QAB1(D)
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