MESON Chess Problem Database

Problem Display
PID: 122251 (8/B7/1N2K3/p1kB4/3N2p1/2b3Q1/n7/5b2 w - - 0 1)

Wheeler, Charles Henry

Fanfulla da Lodi, 1886-1888

8/B7/1N2K3/p1kB4/3N2p1/2b3Q1/n7/5b2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qd6#
    • 1...Kxd4
      • 2.Sa4#
      • 2.Sc4#
      • 2.Sd7#
      • 2.Sa8#
      • 2.Sc8#
    • 1...Bb4
      • 2.Sa4#
      • 2.Sc4#
      • 2.Sd7#
      • 2.Sa8#
      • 2.Sc8#
    • 1...Sb4
      • 2.Sa4#
      • 2.Sc4#
      • 2.Sd7#
      • 2.Sa8#
      • 2.Sc8#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Qd6#
      • 1...Bc4+
        • 2.Sd5#
      • 1...Kb4
        • 2.Qd6#
      • 1...Kxd4!
    • 1.Qc7+?
      • 1...Kb4
        • 2.Qd6#
        • 2.Qe7#
      • 1...Kxd4!
    • 1.Qxc3+?
      • 1...Bc4
        • 2.Sa4#
        • 2.Sxc4#
        • 2.Sd7#
        • 2.Sa8#
        • 2.Sc8#
        • 2.Qxc4#
      • 1...Sxc3!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Qd6#
      • 1...Bxc4+
        • 2.Sd5#
      • 1...Kb4
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);CHECK,SBLOCK::B(F)+S(D)
        • K(f);S_FLIGHT::QAB(A)
      • Refutation
        • K(f);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(f);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK,XB(c)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • B(a);CHECK,SBLOCK,XB(C)::B(F)+S(D)
      • K(f);S_FLIGHT::QAB(A)
      • K(f);S_FLIGHT,XS(B)::QAB1(A)
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