MESON Chess Problem Database

Problem Display
PID: 255606 (5K2/Q7/8/5Nk1/8/5B2/5PP1/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Wiener Schachzeitung, 1934

5K2/Q7/8/5Nk1/8/5B2/5PP1/8

#2

6 + 1

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qe7#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sd4?
      • 1...Kh4
        • 2.Qe7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kf4!
    • 1.Sd6?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qe7#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sh6?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qe7#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kxh6
        • 2.Qg7#
      • 1...Kf6!
    • 1.g4?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kf6!
  • Keys
    • 1.Sh4!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxh4
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAB(E)
        • K(a);N_GUARD,P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(E)
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAB(E)
        • K(a);N_GUARD,P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAB(E)
        • K(a);N_GUARD,P-FLIGHT::QAR1(E)
        • K(a);N_GUARD,S_FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • K(a);N_GUARD,S_FLIGHT,XS(D)::QAB(E)
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