MESON Chess Problem Database

Problem Display
PID: 166945 (7r/8/5R2/4N2k/5PR1/8/8/5K2 w - - 0 1)

Tritten, Pierre

Phenix, 2017

7r/8/5R2/4N2k/5PR1/8/8/5K2

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Rh6
      • 2.Rf5#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rh4#
        • 2.Rg5#
      • 1...Rg8
        • 2.Rh4#
      • 1...Kxg4!
  • Keys
    • 1.Rf7!
      • 1...Kh6
        • 2.Rh4#
      • 1...Rh7
        • 2.Rxh7#
      • 1...Rh6
        • 2.Rf5#
      • 1...Ra8
        • 2.Rh7#
      • 1...Rb8
        • 2.Rh7#
      • 1...Rc8
        • 2.Rh7#
      • 1...Rd8
        • 2.Rh7#
      • 1...Re8
        • 2.Rh7#
      • 1...Rf8
        • 2.Rh7#
      • 1...Rg8
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::R(E)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);::R1(C)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • R(E);
    • Vars
      • K(a);P-FLIGHT::R(C)
      • R(b);N_GUARD::R(E),XR(b)
      • R(b);SBLOCK::R(E)
      • R(b);N_GUARD::R(E)
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