MESON Chess Problem Database

Problem Display
PID: 205627 (8/1K2p3/4p3/2N1kN2/8/2P5/4P3/6Q1 w - - 0 1)

Shinkman, William Anthony

St. Louis Globe Democrat, 1877

8/1K2p3/4p3/2N1kN2/8/2P5/4P3/6Q1

#2

6 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd4#
    • 1...exf5
      • 2.Qd4#
  • Tries
    • 1.Sh6?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kd6
        • 2.Qd4#
      • 1...Kf6
        • 2.Sd7#
      • 1...Kf4!
    • 1.Qf2?
      • 1...Kd5
        • 2.Qd4#
      • 1...exf5
        • 2.Qd4#
      • 1...Kf6!
    • 1.Qg4?
      • 1...Kd5
        • 2.Qd4#
      • 1...exf5
        • 2.Qd4#
      • 1...Kf6!
    • 1.e4?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qg7#
      • 1...exf5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxd6
        • 2.Qd4#
      • 1...Kf6
        • 2.Sd7#
      • 1...exd6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR1(A)
    • P(b);SBLOCK,XS(E)::QAB1(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • P(b);SBLOCK,XS(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • P(b);SBLOCK,XS(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • P(b);XS(E)
  • Actual
    • S(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XS(E)::QAR2(A)
      • P(c);SBLOCK,XS(E)::QAR2(A)
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