MESON Chess Problem Database

Problem Display
PID: 46493 (7K/8/4B2k/5pR1/1p2R2P/2n3n1/1B2p3/5Q2 w - - 0 1)

Wester, Anders Emil

Frederiksborg Amts Avis, 0000

7K/8/4B2k/5pR1/1p2R2P/2n3n1/1B2p3/5Q2

#2

7 + 6

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Bg7#
    • 1...Sd1
      • 2.Bg7#
    • 1...Sa2
      • 2.Bg7#
    • 1...Sa4
      • 2.Bg7#
    • 1...Scxe4
      • 2.Bg7#
    • 1...Sb5
      • 2.Bg7#
    • 1...Sd5
      • 2.Bg7#
    • 1...fxe4
      • 2.Qf6#
      • 2.Qf8#
  • Tries
    • 1.Bxf5?
      • threat
        • 2.Re6#
      • 1...Scxe4
        • 2.Bg7#
      • 1...e1Q
        • 2.Qa6#
      • 1...e1R
        • 2.Qa6#
      • 1...Sh5
        • 2.Rg6#
      • 1...Sd5
        • 2.Bg7#
      • 1...Sgxe4!
    • 1.Qxf5?
      • threat
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qh7#
        • 2.Qf6#
        • 2.Qf8#
      • 1...Scxe4
        • 2.Bg7#
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qh7#
        • 2.Qf8#
      • 1...Sgxe4
        • 2.Rh5#
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qh7#
        • 2.Qf8#
      • 1...Sh5
        • 2.Rxh5#
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qh7#
      • 1...Sd5
        • 2.Bg7#
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qh7#
        • 2.Qf8#
      • 1...Sxf5!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Re6#
      • 1...Scxe4
        • 2.Bg7#
      • 1...Sgxe4
        • 2.Rh5#
      • 1...fxe4
        • 2.Qf6#
      • 1...e1Q
        • 2.Qa6#
      • 1...e1R
        • 2.Qa6#
      • 1...Sh5
        • 2.Rxh5#
        • 2.Rg6#
      • 1...Sd5
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(b);OGATE::B(B)
    • S(b);OGATE,XR(C)::B(B)
  • Tries
    • Try
      • B(F);XP(e)
      • Threat
        • R(C)
      • Vars
        • S(b);OGATE,XR(C)::B(B)
        • P(a);OGATE::QAB1(A)
        • S(c);SBLOCK::R1(E)
        • S(b);OGATE::B(B)
      • Refutation
        • S(c);XR(C)
    • Try
      • Q(A);XP(e)
      • Threat
        • DUALS(5)
      • Refutation
        • S(c);XQ(A)
  • Actual
    • B(F);
    • Threat
      • R(C)
    • Vars
      • S(b);OGATE,XR(C)::B(B)
      • S(c);N_GUARD,XR(C)::R1(E)
      • P(e);OGATE,XR(C)::QAR2(A)
      • P(a);OGATE::QAB1(A)
      • S(b);OGATE::B(B)
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