MESON Chess Problem Database

Problem Display
PID: 32548 (6qN/3Q2R1/1r5k/3p4/8/8/Rb6/7K w - - 0 1)

Gold, Samuel

The Westminster Papers, 1876

6qN/3Q2R1/1r5k/3p4/8/8/Rb6/7K

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kh5
      • 2.Qh3#
    • 1...Ba1
      • 2.Rh2#
    • 1...Bc1
      • 2.Rh2#
    • 1...Ba3
      • 2.Rh2#
    • 1...Bc3
      • 2.Rh2#
    • 1...Bd4
      • 2.Rh2#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qg5#
      • 1...Qxg7
        • 2.Qh4#
      • 1...Bxg7
        • 2.Rh2#
        • 2.Qh4#
      • 1...Rg6
        • 2.Qxg6#
      • 1...Qd8
        • 2.Sf7#
      • 1...Bc1
        • 2.Rh2#
      • 1...Bf6
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • K(d);P-FLIGHT::QAR2(C)
    • B(a);OGATE::R(B)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • Q(e);SBLOCK,XR(D)::QAR2(C)
      • R(c);N_GUARD::QAR1(C),XR(c)
      • Q(e);N_GUARD::S(E)
      • B(a);OGATE::R(B)
      • B(a);S_CUTR(c)::QAR1(C)
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