MESON Chess Problem Database

Problem Display
PID: 10241 (6B1/2K2n2/4k3/8/5Q2/1N6/8/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1963

6B1/2K2n2/4k3/8/5Q2/1N6/8/8

#2

4 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bxf7#
    • 1...Ke7
      • 2.Qxf7#
  • Tries
    • 1.Sa1?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kd5!
    • 1.Sc1?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kd5!
    • 1.Sd4+?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kd5!
    • 1.Sa5?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kd5!
    • 1.Sc5+?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kd5!
    • 1.Qf3?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Ke5!
    • 1.Qf5+?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kxf5!
  • Keys
    • 1.Sd2!
      • 1...Kd5
        • 2.Qd6#
      • 1...Ke7
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(D),XS(b)
    • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);N_SPINS(b),P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XQ(B)
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);N_SPINS(b),P-FLIGHT::QAR1(B),XS(b)
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