MESON Chess Problem Database

Problem Display
PID: 132549 (8/4q3/4p1p1/P1kP3R/Q1N5/3K4/B7/1n6 w - - 0 1)

Jefford, CW

The Field, 1957

(First published on Thu Jun 13 1957)

8/4q3/4p1p1/P1kP3R/Q1N5/3K4/B7/1n6

#2

7 + 5

SOLUTION

  • SOUND
  • Keys
    • 1.Sd6!
      • threat
        • 2.Se4#
      • 1...Kxd6
        • 2.Qc6#
      • 1...Qxd6
        • 2.Qc4#
      • 1...exd5
        • 2.Rxd5#
      • 1...Qh4
        • 2.Sb7#
      • 1...Sd2
        • 2.Qa3#
      • 1...Sc3
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XS(D)::QAR1(C)
      • Q(e);P_PINP(F),SBLOCK,XS(D)::QAR1(C)
      • P(c);OGATE,P_SPINP(c),XP(F)::R1(G),XP(c)
      • Q(e);N_GUARD::S(D)
      • S(a);N_GUARD::QAB(C)
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