MESON Chess Problem Database

Problem Display
PID: 170896 (4Bb2/8/8/2k2N2/2N4R/1KP5/5p2/3R1r2 w - - 0 1)

Hjelle, David

Problemisten, 1944

4Bb2/8/8/2k2N2/2N4R/1KP5/5p2/3R1r2

#2

7 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sfe3?
      • threat
        • 2.Rd5#
        • 2.Rh5#
      • 1...Rg1
        • 2.Rd5#
      • 1...Rh1
        • 2.Rd5#
      • 1...Bd6
        • 2.Rd5#
      • 1...Bh6
        • 2.Rd5#
      • 1...Be7
        • 2.Rd5#
      • 1...Bg7
        • 2.Rd5#
      • 1...Rxd1!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Sfe3#
        • 2.Sg3#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Sfd6#
        • 2.Sh6#
        • 2.Se7#
        • 2.Sg7#
      • 1...Rxd1
        • 2.Sd4#
      • 1...Re1
        • 2.Sfe3#
      • 1...Rg1
        • 2.Sg3#
      • 1...Rh1
        • 2.Sh4#
      • 1...Bd6
        • 2.Sfxd6#
      • 1...Bh6
        • 2.Sxh6#
      • 1...Be7
        • 2.Sxe7#
      • 1...Bg7
        • 2.Sxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::R1(A)
        • B(d);::R1(A)
      • Refutation
        • R(a);XR(A)
  • Actual
    • R(E);
    • Threat
      • DUALS(8)
    • Vars
      • R(a);XR(A)::R(E)+S(F)
      • R(a);::R(E)+S(F)
      • B(d);::R(E)+S(F),XB(d)
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