MESON Chess Problem Database

Problem Display
PID: 241694 (K7/5n2/6R1/5B1k/7P/8/8/7R w - - 0 1)

Mlynka, Karol

Kudesnik, 2006

K7/5n2/6R1/5B1k/7P/8/8/7R

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.hxg5#
    • 1...Sh6
      • 2.Rg5#
  • Tries
    • 1.Rg8?
      • 1...Se5
        • 2.Rh8#
      • 1...Sg5
        • 2.hxg5#
      • 1...Sd6
        • 2.Rh8#
      • 1...Sh6
        • 2.Rg5#
      • 1...Sd8
        • 2.Rh8#
      • 1...Sh8
        • 2.Rxh8#
      • 1...Kh6!
  • Keys
    • 1.Rg7!
      • 1...Kh6
        • 2.Rh7#
      • 1...Se5
        • 2.Rh7#
      • 1...Sg5
        • 2.hxg5#
      • 1...Sd6
        • 2.Rh7#
      • 1...Sh6
        • 2.Rg5#
      • 1...Sd8
        • 2.Rh7#
      • 1...Sh8
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::R(A)+P(B),XS(b)
    • S(b);N_GUARD,SBLOCK::R1(D)
  • Tries
    • Try
      • R(D);
      • Vars
        • S(b);N_GUARD::R(D)
        • S(b);OGATE::R(A)+P(B),XS(b)
        • S(b);N_GUARD,SBLOCK::R1(D)
        • S(b);N_GUARD::R(D),XS(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);P-FLIGHT::R1(D)
      • S(b);N_GUARD::R(D)
      • S(b);OGATE::R(A)+P(B),XS(b)
      • S(b);N_GUARD,SBLOCK::R1(D)
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