MESON Chess Problem Database

Problem Display
PID: 234233 (8/4NR2/3b2R1/4k3/5p2/3K2n1/4PP2/8 w - - 0 1)

Kipping, Cyril Stanley

Source?, 1938

8/4NR2/3b2R1/4k3/5p2/3K2n1/4PP2/8

#2

6 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Rf5#
    • 1...Sh1
      • 2.Rf5#
    • 1...Sxe2
      • 2.Rf5#
    • 1...Se4
      • 2.Rf5#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sh5
      • 2.Rf5#
  • Tries
    • 1.fxg3?
      • threat
        • 2.Rf5#
        • 2.gxf4#
      • 1...fxg3
        • 2.Rf5#
      • 1...f3
        • 2.Rf5#
      • 1...Bxe7!
  • Keys
    • 1.e4!
      • threat
        • 2.Sc6#
      • 1...Bxe7
        • 2.Rxe7#
      • 1...Sxe4
        • 2.Rf5#
      • 1...fxe4 ep
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::R1(F)
    • S(a);N_GUARD,XP(A)::R1(F)
    • S(a);N_GUARD::R1(F),XS(a)
  • Tries
    • Try
      • P(B);XS(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(B)::R1(F)
        • P(b);::R1(F)
      • Refutation
        • B(d);XS(E)
  • Actual
    • P(A);
    • Threat
      • S(E)
    • Vars
      • B(d);OGATE,XS(E)::R(F),XB(d)
      • S(a);N_GUARD,XP(A)::R1(F)
      • P(b);EP,OGATE,XP(A)::P(B)
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