MESON Chess Problem Database

Problem Display
PID: 53533 (6Q1/8/1K2Np2/3pkp2/5p2/3Pp3/4p3/4B3 w - - 0 1)

Keeney, Palmer Gunkel

Chess Life, 1955

6Q1/8/1K2Np2/3pkp2/5p2/3Pp3/4p3/4B3

#2

5 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sc7?
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kd6
        • 2.Qe6#
      • 1...d4
        • 2.Qd5#
        • 2.Qe6#
      • 1...f3!
  • Keys
    • 1.Sxf4!
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qe6#
      • 1...d4
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(E),XP(d)
      • Vars
        • K(e);S_FLIGHT::QAR1(E),XP(d)
        • K(e);S_FLIGHT::QAR1(E)
      • Refutation
        • P(c);
  • Actual
    • S(D);XP(c)
    • Vars
      • K(e);S_FLIGHT::QAR1(E),XP(d)
      • K(e);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • K(e);S_FLIGHT::QAR1(E)
      • P(d);SBLOCK::QAB(E)
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