MESON Chess Problem Database

Problem Display
PID: 258513 (6K1/1p6/1Rb5/2Pk4/3B4/1N6/4N3/2Q5 w - - 0 1)

Milford, R Theodore

English Mechanic and World of Science, 1893

(First published on Fri Jul 14 1893)

6K1/1p6/1Rb5/2Pk4/3B4/1N6/4N3/2Q5

#2

7 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kc4
        • 2.Qf1#
      • 1...Ke6!
    • 1.Sg3?
      • 1...Ba4
        • 2.Rd6#
      • 1...Bb5
        • 2.Rd6#
      • 1...Bd7
        • 2.Rd6#
      • 1...Be8
        • 2.Rd6#
      • 1...Ke6!
    • 1.Sd2?
      • threat
        • 2.Qc4#
      • 1...Bb5
        • 2.Rd6#
        • 2.Qh1#
      • 1...Ke6!
  • Keys
    • 1.Qf1!
      • 1...Kc4
        • 2.Sc3#
        • 2.Sf4#
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Qf7#
      • 1...Ba4
        • 2.Sc3#
      • 1...Bb5
        • 2.Sc3#
      • 1...Bd7
        • 2.Sc3#
      • 1...Be8
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(A)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT
    • Try
      • S(B);
      • Vars
        • B(b);OGATE::R1(F)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::S(B)
      • K(a);N_GUARD,P_SPINB(b),S_FLIGHT::QAB1(A)
      • B(b);::S(B)
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