MESON Chess Problem Database

Problem Display
PID: 140876 (5N2/5p1n/6R1/3BP3/3RPk2/5N2/5K2/8 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 1979

5N2/5p1n/6R1/3BP3/3RPk2/5N2/5K2/8

#2

8 + 3

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Se6#
    • 1...f6
      • 2.Se6#
  • Tries
    • 1.Rh6?
      • threat
        • 2.Rh4#
      • 1...Kg4
        • 2.Rh4#
      • 1...Sf6!
  • Keys
    • 1.Be6!
      • threat
        • 2.Rg4#
      • 1...fxe6
        • 2.Sxe6#
      • 1...fxg6
        • 2.Sxg6#
      • 1...Sg5
        • 2.Rf6#
      • 1...Sf6
        • 2.Rxf6#
      • 1...f5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::S(H)
  • Tries
    • Try
      • R(G);
      • Threat
        • R(G)
      • Vars
        • K(a);P-FLIGHT::R1(G)
      • Refutation
        • S(c);
  • Actual
    • B(E);
    • Threat
      • R1(G)
    • Vars
      • P(b);XB(E)::S(H),XP(b)
      • P(b);XR(G)::S(H),XP(b)
      • S(c);N_GUARD::R(G)
      • S(c);N_GUARD::R(G),XS(c)
      • P(b);OGATE::R(C)+P(D),XP(b)
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