MESON Chess Problem Database

Problem Display
PID: 263303 (5K2/4B3/6R1/4n2k/6p1/8/5R2/8 w - - 0 1)

Myhre, Gunnar Frode

Szachy, 1973

5K2/4B3/6R1/4n2k/6p1/8/5R2/8

#2

4 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rg5+?
      • 1...Kh6
        • 2.Rh2#
      • 1...Kh4!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Rh2#
        • 2.Rf5#
        • 2.Rh6#
      • 1...Sxg6
        • 2.Rf5#
      • 1...Sf3
        • 2.Rh6#
      • 1...Sf7
        • 2.Rh2#
      • 1...g3
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(c);P-FLIGHT::R(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • S(b);XR(B)::R(A)
      • S(b);::R1(B)
      • S(b);::R(A)
      • P(a);::R(A)
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