MESON Chess Problem Database

Problem Display
PID: 4664 (3K4/3p4/4k3/4p3/4P3/8/8/2R2R2 w - - 0 1)

Goebbels, W

Bruederschaft, 1886

3K4/3p4/4k3/4p3/4P3/8/8/2R2R2

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Rf6#
    • 1...d5
      • 2.Rc6#
  • Tries
    • 1.Ke8?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rc2?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rc3?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rc4?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rc8?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rf2?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rf3?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rf5?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
    • 1.Rf8?
      • 1...Kd6
        • 2.Rf6#
      • 1...d5
        • 2.Rc6#
      • 1...d6!
  • Keys
    • 1.Rc7!
      • 1...Kd6
        • 2.Rf6#
      • 1...d6
        • 2.Re7#
      • 1...d5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(B)
    • P(c);N_GUARD::R(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • P(c);N_GUARD::R(A)
      • Refutation
        • P(c);
  • Actual
    • R(A);
    • Vars
      • K(b);P-FLIGHT::R(B)
      • P(c);OGATE,SBLOCK::R1(A)
      • P(c);N_GUARD::R(A)
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