MESON Chess Problem Database

Problem Display
PID: 258617 (6q1/1p1Np1p1/8/3P4/1K2k3/3R1R2/2N5/8 w - - 0 1)

Geary, William

English Mechanic and World of Science, 1900

(First published on Fri Dec 28 1900)

6q1/1p1Np1p1/8/3P4/1K2k3/3R1R2/2N5/8

#2

6 + 5

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Rde3#
    • 1...e5
      • 2.Sc5#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Rd4#
      • 1...Qxd5
        • 2.Re3#
      • 1...e5
        • 2.Sc5#
      • 1...Kxd3!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Rd4#
      • 1...Kxd3
        • 2.Sc5#
      • 1...Qxd5
        • 2.Re3#
      • 1...e5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(e);SBLOCK,XP(E)::R1(B)
    • P(c);SBLOCK::S(F)
  • Tries
    • Try
      • R(C);
      • Threat
        • R1(B)
      • Vars
        • Q(e);SBLOCK,XP(E)::R1(B)
        • P(c);SBLOCK::S(F)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • R(C);
    • Threat
      • R1(B)
    • Vars
      • K(a);N_GUARD,S_FLIGHT,XR(B)::S(F)
      • Q(e);SBLOCK,XP(E)::R1(B)
      • P(c);SBLOCK::S(F)
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