MESON Chess Problem Database

Problem Display
PID: 151468 (8/6n1/3p1Q2/8/4k3/2K2R2/8/8 w - - 0 1)

Hickox, EB

Family Herald, 1904

8/6n1/3p1Q2/8/4k3/2K2R2/8/8

#2

3 + 3

119 Tidskrift for Schack 1904

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qxf5#
    • 1...Sh5
      • 2.Qf5#
    • 1...Se6
      • 2.Qf5#
    • 1...Se8
      • 2.Qf5#
    • 1...d5
      • 2.Qf4#
  • Tries
    • 1.Kc4?
      • threat
        • 2.Qf4#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sh5
        • 2.Qf5#
      • 1...Se6
        • 2.Qf5#
      • 1...d5+!
    • 1.Rf1?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Re1#
        • 2.Qf3#
      • 1...Sf5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Kd5!
    • 1.Rf2?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Qd4#
        • 2.Qf3#
        • 2.Qf4#
      • 1...Sf5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Kd5!
    • 1.Qg5?
      • threat
        • 2.Re3#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Kxf3!
  • Keys
    • 1.Qf7!
      • 1...Ke5
        • 2.Re3#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Se6
        • 2.Qf5#
      • 1...Sh5
        • 2.Qf5#
      • 1...Se8
        • 2.Qf5#
      • 1...d5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAB1(C),XS(c)
    • S(c);N_GUARD::QAB1(C)
    • P(b);SBLOCK::QAR1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAR1(C)
      • Vars
        • S(c);N_GUARD::QAB1(C),XS(c)
        • S(c);N_GUARD::QAB1(C)
      • Refutation
        • P(b);CHECK
    • Try
      • R(B);
      • Threat
        • QAR1(C)
      • Vars
        • S(c);N_GUARD::QAR2(C)
        • S(c);N_GUARD::QAR2(C),XS(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(C)
      • Vars
        • S(c);N_GUARD::QAR2(C)
        • S(c);N_GUARD::QAR2(C),XS(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • R1(B)
      • Vars
        • S(c);N_GUARD::QAB1(C),XS(c)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::R(B)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • S(c);N_GUARD::QAB1(C)
      • P(b);SBLOCK::QAR1(C)
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