MESON Chess Problem Database

Problem Display
PID: 71612 (7k/5K1N/8/8/5R2/8/2p2p2/8 w - - 0 1)

Shanahan, Ian

The Problemist, 2007

7k/5K1N/8/8/5R2/8/2p2p2/8

#2

3 + 3

56 The Problemist 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh7
      • 2.Rh4#
  • Keys
    • 1.Rh4!
      • threat
        • 2.Sg5#
        • 2.Sf6#
        • 2.Sf8#
      • 1...f1Q+
        • 2.Sf6#
      • 1...f1R+
        • 2.Sf6#
      • 1...c1Q
        • 2.Sg5#
      • 1...c1B
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,P-FLIGHT,XS(C)::R(A)
  • Actual
    • R(A);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);CHECK::R(A)+S(C)
      • P(a);::R(A)+S(C)
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