MESON Chess Problem Database

Problem Display
PID: 222698 (5B2/K2p4/8/p2k1P2/3N4/1N6/4Q3/8 w - - 0 1)

Whalley, Louis

Sheffield Independent, 1884

5B2/K2p4/8/p2k1P2/3N4/1N6/4Q3/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Qe6#
  • Tries
    • 1.Ka6?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Kb6?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Kb7?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Ka8?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Kb8?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Sc2?
      • 1...Kc6
        • 2.Qc4#
      • 1...a4
        • 2.Sb4#
      • 1...d6!
    • 1.Ba3?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Bc5?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Be7?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.Bg7?
      • 1...Kd6
        • 2.Qe5#
      • 1...d6
        • 2.Qe6#
      • 1...a4!
    • 1.f6?
      • 1...d6
        • 2.Qe6#
      • 1...a4!
  • Keys
    • 1.Sc6!
      • 1...Kxc6
        • 2.Qc4#
      • 1...dxc6
        • 2.Qe6#
      • 1...a4
        • 2.Sb4#
      • 1...d6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::QAB1(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • K(E);S_FLIGHT
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • K(E);S_FLIGHT
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • P(a);N_GUARD::S(C)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • B(F);
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • B(F);
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • B(F);
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • P(D);
      • Vars
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT,XS(C)::QAR2(A)
      • P(c);N_GUARD,XS(C)::QAB1(A)
      • P(a);N_GUARD::S(C)
      • P(c);SBLOCK::S(C)
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