MESON Chess Problem Database

Problem Display
PID: 133490 (8/5Q2/1K6/4kb2/6P1/2p1N1P1/3P4/8 w - - 0 1)

Holdsworth, J

The Field, 1961

(First published on Thu Apr 20 1961)

8/5Q2/1K6/4kb2/6P1/2p1N1P1/3P4/8

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd5#
    • 1...Ke4
      • 2.Qd5#
    • 1...Kd6
      • 2.Sc4#
    • 1...Be6
      • 2.Qf4#
  • Tries
    • 1.Qxf5+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6!
  • Keys
    • 1.g5!
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...Ke4
        • 2.Qd5#
      • 1...Kd6
        • 2.Sc4#
      • 1...Be4
        • 2.Qf6#
      • 1...Be6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR1(F)
    • K(b);P-FLIGHT::QAB1(F)
    • K(b);S_FLIGHT::S(B)
    • B(c);OGATE,SBLOCK::QAB1(F)
  • Tries
    • Try
      • Q(F);CHECK,XB(c)
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR1(F)
    • Vars
      • K(b);S_FLIGHT::QAR1(F)
      • K(b);P-FLIGHT::QAB1(F)
      • K(b);S_FLIGHT::S(B)
      • B(c);SBLOCK::QAB1(F)
      • B(c);OGATE,SBLOCK::QAB1(F)
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