MESON Chess Problem Database

Problem Display
PID: 154206 (7Q/2K2B2/1B1PPN1p/4k2n/n5P1/7N/5P2/8 w - - 0 1)

Ansell, George Kirkpatrick

Southern Counties' Chess Journal, 1894

7Q/2K2B2/1B1PPN1p/4k2n/n5P1/7N/5P2/8

#2

10 + 4

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.f4#
  • Tries
    • 1.Sxh5+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke4!
    • 1.Sd7+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Sd7#
      • 1...Kxf6
        • 2.Bd4#
      • 1...Sxb6
        • 2.Qa1#
      • 1...Sxf6
        • 2.f4#
      • 1...Sc5
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(c);N_GUARD::P(A)
  • Tries
    • Try
      • S(G);CHECK,XS(c)
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(J)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(J)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(J);
    • Threat
      • S(G)
    • Vars
      • K(b);S_FLIGHT,XS(G)::B(D)
      • S(a);OGATE,XB(D)::QAB(J)
      • S(c);N_GUARD,SBLOCK,XS(G)::P(A)
      • S(a);OGATE::QAB(J)
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