MESON Chess Problem Database

Problem Display
PID: 224462 (2K5/8/1p1k4/1pN2Q2/1b6/6p1/8/4B3 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

Philadelphia Times, 1887

2K5/8/1p1k4/1pN2Q2/1b6/6p1/8/4B3

#2

4 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qd7#
      • 1...Kc6
        • 2.Qd7#
      • 1...Ke7!
    • 1.Se4+?
      • 1...Kc6
        • 2.Qd7#
      • 1...Ke7!
    • 1.Sb7+?
      • 1...Kc6
        • 2.Qe4#
        • 2.Qd7#
        • 2.Qf3#
      • 1...Ke7!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Sb7#
      • 1...Kxc5
        • 2.Bxb4#
      • 1...Bxc5
        • 2.Bxg3#
      • 1...bxc5
        • 2.Bxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • K(e);P-FLIGHT::QAB1(C)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(e);P-FLIGHT::QAB1(C)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • S(B)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(B)::B(A),XB(b)
      • B(b);SBLOCK,XS(B)::B(A),XP(a)
      • P(d);SBLOCK,XS(B)::B(A),XP(a)
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