MESON Chess Problem Database

Problem Display
PID: 142079 (1K6/2Nk3p/2N5/2PB4/3B4/8/3R3r/7R w - - 0 1)

Jawahar, A

Phenix, 1989

1K6/2Nk3p/2N5/2PB4/3B4/8/3R3r/7R

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Rxh7#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Be8#
      • 1...Kxc6
        • 2.Be8#
      • 1...Re2!
  • Keys
    • 1.Be4!
      • threat
        • 2.Bf2#
      • 1...Rxd2
        • 2.Rxh7#
      • 1...Rf2
        • 2.Bxf2#
      • 1...Re2
        • 2.Rxh7#
      • 1...Rh3
        • 2.Be3#
      • 1...Rh5
        • 2.Be5#
      • 1...Rh6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE,XR(B)::R(A),XP(c)
  • Tries
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • K(b);S_FLIGHT,XS(F)::B(E)
      • Refutation
        • R(a);
  • Actual
    • B(E);
    • Threat
      • R(B)+B(C)
    • Vars
      • R(a);OGATE,XR(B)::R(A),XP(c)
      • R(a);::R(B)+B(C),XR(a)
      • R(a);OGATE::R(A),XP(c)
      • R(a);N_GUARD::R(B)+B(C)
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