MESON Chess Problem Database

Problem Display
PID: 41 (7K/8/2R4Q/3kpp2/3bR3/1p6/N3P3/8 w - - 0 1)

Giegold, Fritz Emil

Deutsche Schachblatter, 1930

7K/8/2R4Q/3kpp2/3bR3/1p6/N3P3/8

#2

6 + 5

3684 Shakhmatna misl 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sc3#
    • 1...Bf2
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Be3
      • 2.Sc3#
    • 1...Bc5
      • 2.Sc3#
    • 1...Bb6
      • 2.Sc3#
    • 1...Ba7
      • 2.Sc3#
    • 1...fxe4
      • 2.Sb4#
      • 2.Qd6#
      • 2.Qe6#
  • Tries
    • 1.Rxd4+?
      • 1...exd4
        • 2.Qe6#
      • 1...Kxd4!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qc6#
      • 1...Kxc4
        • 2.Qc6#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Bc5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(b);N_GUARD::S(A)
    • B(b);N_GUARD::S(A),XB(b)
  • Tries
    • Try
      • R(C);CHECK,XB(b)
      • Vars
        • P(d);SBLOCK,XR(C)::QAB1(E)
      • Refutation
        • K(c);P-FLIGHT,XR(C)
  • Actual
    • R(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(c);P_SPINB(b),S_FLIGHT,XR(D)::QAR2(E)
      • K(c);P_SPINB(b),S_FLIGHT,XR(C)::S(A)
      • B(b);N_GUARD::S(A)
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