MESON Chess Problem Database

Problem Display
PID: 257633 (8/8/5B1q/6p1/8/1KN3p1/8/k1N4R w - - 0 1)

Latzel, Gerhard Paul

Wiener Schachzeitung, 1934

8/8/5B1q/6p1/8/1KN3p1/8/k1N4R

#2

5 + 4

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.S1a2#
      • 2.S1e2#
      • 2.Sd3#
    • 1...Qf8
      • 2.S1a2#
      • 2.S1e2#
      • 2.Sd3#
    • 1...Qg6
      • 2.Sd3#
  • Tries
    • 1.Se4+?
      • 1...Kb1
        • 2.Sd2#
      • 1...Qxf6!
    • 1.Sb5+?
      • 1...Kb1
        • 2.Sa3#
      • 1...Qxf6!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Sb3#
      • 1...Qh2+
        • 2.S3e2#
      • 1...Qg6+
        • 2.Sd3#
      • 1...Qh7+
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD::R(B)+S(A)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT,S_CUTQ(d)::S(D)
      • Refutation
        • Q(d);XB(E)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT,S_CUTQ(d)::S(D)
      • Refutation
        • Q(d);XB(E)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • R(B)+S(A),DCHECK
    • Vars
      • Q(d);CHECK,N_GUARD::B(E)+S(D)
      • Q(d);CHECK,N_GUARD::R(B)+S(A)
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