MESON Chess Problem Database

Problem Display
PID: 194290 (7Q/6K1/3N4/B2P4/2PkpN2/8/4P3/8 w - - 0 1)

Phelps, Francis Bradley

Pittsburgh Gazette-Times, 1917

7Q/6K1/3N4/B2P4/2PkpN2/8/4P3/8

#2

8 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Ke5
        • 2.Qh2#
      • 1...Ke3!
    • 1.Qh4?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qf6#
      • 1...e3
        • 2.Sd3#
      • 1...Kc5!
  • Keys
    • 1.Qh2!
      • 1...Ke3
        • 2.Sf5#
      • 1...Kc5
        • 2.Se6#
      • 1...Ke5
        • 2.Se6#
      • 1...e3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::S(F)
        • K(a);S_FLIGHT::QAB1(H)
        • P(b);SBLOCK::QAR(H)+S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::QAB(H)+S(C)
      • P(b);SBLOCK::S(C)
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