MESON Chess Problem Database

Problem Display
PID: 186307 (8/5n1r/3p2N1/1K1k1P2/1P4p1/2P5/2BP4/4r3 w - - 0 1)

Handloser, Ralf Chris

idee & form, 2017

8/5n1r/3p2N1/1K1k1P2/1P4p1/2P5/2BP4/4r3

#2

7 + 6

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sf4#
    • 1...Se5
      • 2.Sf4#
  • Tries
    • 1.d3?
      • threat
        • 2.Bb3#
      • 1...Re4
        • 2.dxe4#
      • 1...Se5
        • 2.Sf4#
      • 1...Rb1!
  • Keys
    • 1.d4!
      • threat
        • 2.Sf4#
      • 1...Rf1
        • 2.Se7#
      • 1...Re4
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(a);SBLOCK::S(G)
    • S(e);SBLOCK::S(G)
  • Tries
    • Try
      • P(B);
      • Threat
        • B(A)
      • Vars
        • R(a);OGATE::P(B),XR(a)
        • S(e);SBLOCK::S(G)
      • Refutation
        • R(a);P_PINP(D)
  • Actual
    • P(B);
    • Threat
      • S(G)
    • Vars
      • R(a);N_GUARD::S(G)
      • R(a);SBLOCK::B(A)
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