MESON Chess Problem Database

Problem Display
PID: 255600 (8/8/8/8/8/nK6/p4R2/k7 w - - 0 1)

Walcher, B

Wiener Schachzeitung, 1934

8/8/8/8/8/nK6/p4R2/k7

#2

2 + 3

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.Rf1#
    • 1...Sb1
      • 2.Rxa2#
    • 1...Sc4
      • 2.Rf1#
    • 1...Sb5
      • 2.Rf1#
  • Tries
    • 1.Re2?
      • 1...Kb1
        • 2.Re1#
      • 1...Sb1
        • 2.Rxa2#
      • 1...Sc4
        • 2.Re1#
      • 1...Sb5
        • 2.Re1#
      • 1...Sc2!
    • 1.Rg2?
      • 1...Kb1
        • 2.Rg1#
      • 1...Sb1
        • 2.Rxa2#
      • 1...Sc4
        • 2.Rg1#
      • 1...Sb5
        • 2.Rg1#
      • 1...Sc2!
    • 1.Rh2?
      • 1...Kb1
        • 2.Rh1#
      • 1...Sb1
        • 2.Rxa2#
      • 1...Sc4
        • 2.Rh1#
      • 1...Sb5
        • 2.Rh1#
      • 1...Sc2!
  • Keys
    • 1.Rd2!
      • 1...Kb1
        • 2.Rd1#
      • 1...Sb1
        • 2.Rxa2#
      • 1...Sc2
        • 2.Rd1#
      • 1...Sc4
        • 2.Rd1#
      • 1...Sb5
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,S_CUTS(c)::R(A)
    • S(c);SBLOCK::R1(A),XP(b)
    • S(c);N_GUARD::R(A)
  • Tries
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,S_CUTS(c)::R(A)
        • S(c);SBLOCK::R1(A),XP(b)
        • S(c);N_GUARD::R(A)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,S_CUTS(c)::R(A)
        • S(c);SBLOCK::R1(A),XP(b)
        • S(c);N_GUARD::R(A)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,S_CUTS(c)::R(A)
        • S(c);SBLOCK::R1(A),XP(b)
        • S(c);N_GUARD::R(A)
      • Refutation
        • S(c);
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT,S_CUTS(c)::R(A)
      • S(c);SBLOCK::R1(A),XP(b)
      • S(c);N_GUARD::R(A)
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