MESON Chess Problem Database

Problem Display
PID: 215829 (1nQ1Kn1N/b7/rp1k1r2/1R1P4/4pp2/8/8/3R4 w - - 0 1)

Ernst, Georg

Deutsche Schachzeitung, 1928

1nQ1Kn1N/b7/rp1k1r2/1R1P4/4pp2/8/8/3R4

#2

6 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.d6#
    • 1...Re6+
      • 2.dxe6#
    • 1...Rg6
      • 2.Sf7#
    • 1...Rh6
      • 2.Sf7#
    • 1...Rf7
      • 2.Sxf7#
    • 1...Sc6
      • 2.dxc6#
    • 1...Se6
      • 2.dxe6#
  • Keys
    • 1.Kd8!
      • threat
        • 2.Qc7#
      • 1...Sc6+
        • 2.dxc6#
      • 1...Se6+
        • 2.dxe6#
      • 1...Ke5
        • 2.d6#
      • 1...Rf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(e);OGATE,S_FLIGHT::R(B)+P(C)
    • R(f);CHECK,OGATE::R(A)+P(C),XR(f)
    • R(f);N_GUARD::S(F)
    • R(f);N_GUARD::S(F),XR(f)
    • S(h);OGATE::R(A)+P(C),XS(h)
    • S(i);OGATE::R(A)+P(C),XS(i)
  • Actual
    • K(E);P-FLIGHT
    • Threat
      • QAB1(D)
    • Vars
      • S(h);CHECK,OGATE::R(A)+P(C),XS(h)
      • S(i);CHECK,OGATE::R(A)+P(C),XS(i)
      • K(e);OGATE,S_FLIGHT::R(B)+P(C)
      • R(f);N_GUARD::S(F),XR(f)
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