MESON Chess Problem Database

Problem Display
PID: 83955 (8/8/8/3N4/8/RKpkB1N1/8/8 w - - 0 1)

Toth, Gyula

Magyar Sakkvilag, 1932

8/8/8/3N4/8/RKpkB1N1/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Kb4#
  • Tries
    • 1.Sb6?
      • 1...c2
        • 2.Ka2#
        • 2.Kb2#
        • 2.Ka4#
        • 2.Kb4#
      • 1...Kxe3!
    • 1.Sf6?
      • 1...c2
        • 2.Kb4#
      • 1...Kxe3!
    • 1.Sc7?
      • 1...c2
        • 2.Kb4#
      • 1...Kxe3!
    • 1.Se7?
      • 1...c2
        • 2.Kb4#
      • 1...Kxe3!
  • Keys
    • 1.Ra4!
      • 1...c2
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);SBLOCK::R(A)+K(B)
  • Tries
    • Try
      • S(E);
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • S(E);
      • Vars
        • P(a);SBLOCK::R(A)+K(B)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • S(E);
      • Vars
        • P(a);SBLOCK::R(A)+K(B)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • S(E);
      • Vars
        • P(a);SBLOCK::R(A)+K(B)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
  • Actual
    • R(A);
    • Vars
      • P(a);::R1(A)
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