MESON Chess Problem Database

Problem Display
PID: 153383 (8/2K5/5pQp/4P2r/5k2/7P/5P1P/3N4 w - - 0 1)

Janet, Frank

Good Companions (January Meredith Ty.), 1916

8/2K5/5pQp/4P2r/5k2/7P/5P1P/3N4

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg4#
    • 1...Rxe5
      • 2.Qg4#
    • 1...fxe5
      • 2.Qg4#
  • Tries
    • 1.Sc3?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Rxe5
        • 2.Qg4#
      • 1...fxe5
        • 2.Qg4#
      • 1...Rh4
        • 2.Qxf6#
      • 1...Rf5
        • 2.Qg3#
      • 1...Rg5
        • 2.Qe4#
      • 1...f5
        • 2.Qg3#
      • 1...Rxh3!
    • 1.Qe4+?
      • 1...Kg5
        • 2.Qg4#
      • 1...Kxe4!
  • Keys
    • 1.f3!
      • 1...Kxf3
        • 2.Qg4#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Rxh3
        • 2.Qxf6#
      • 1...Rxe5
        • 2.Qg4#
      • 1...fxe5
        • 2.Qg4#
      • 1...Rh4
        • 2.Qxf6#
      • 1...Rf5
        • 2.Qg3#
      • 1...Rg5
        • 2.Qe4#
      • 1...f5
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(F)
    • R(b);SBLOCK,XP(E)::QAR1(F)
    • P(c);SBLOCK,XP(E)::QAR1(F)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
        • K(a);S_FLIGHT,XP(E)::QAR1(F)
        • R(b);SBLOCK,XP(E)::QAR1(F)
        • P(c);SBLOCK,XP(E)::QAR1(F)
        • R(b);N_GUARD::QAR2(F),XP(c)
        • R(b);SBLOCK::QAB1(F)
        • R(b);SBLOCK::QAR1(F)
        • P(c);SBLOCK::QAB1(F)
      • Refutation
        • R(b);XP(D)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XQ(F)
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT,XP(B)::QAB1(F)
      • K(a);S_FLIGHT,XP(E)::QAR1(F)
      • R(b);N_GUARD,XP(D)::QAR2(F),XP(c)
      • R(b);SBLOCK,XP(E)::QAR1(F)
      • P(c);SBLOCK,XP(E)::QAR1(F)
      • R(b);N_GUARD::QAR2(F),XP(c)
      • R(b);SBLOCK::QAB1(F)
      • R(b);SBLOCK::QAR1(F)
      • P(c);SBLOCK::QAB1(F)
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