MESON Chess Problem Database

Problem Display
PID: 48000 (8/8/8/8/1Q6/3Nk3/6pN/3Kn3 w - - 0 1)

Friedgood, David F

South African Chess Player, 1961

8/8/8/8/1Q6/3Nk3/6pN/3Kn3

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4+?
      • 1...Kf3
        • 2.Qf4#
      • 1...Kxd3!
    • 1.Sc5?
      • threat
        • 2.Qd2#
      • 1...Kf2
        • 2.Qxe1#
      • 1...Sf3
        • 2.Sg4#
      • 1...Sd3!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qd2#
      • 1...Kxf2
        • 2.Qxe1#
      • 1...Sd3
        • 2.Sfg4#
      • 1...Sf3
        • 2.Shg4#

This anticipates 160023(1996)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT,XS(C)
    • Try
      • S(C);
      • Threat
        • QAB1(D)
      • Vars
        • K(c);S_FLIGHT::QAB1(D),XS(a)
        • S(a);SBLOCK::S(B)
      • Refutation
        • S(a);
  • Actual
    • S(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(c);S_FLIGHT,XS(C)::QAB1(D),XS(a)
      • S(a);SBLOCK::S(C)
      • S(a);SBLOCK::S(B)
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