MESON Chess Problem Database

Problem Display
PID: 145952 (8/1K4p1/8/3k2B1/4N3/1R3Q2/8/8 w - - 0 1)

Lipton, Michael

The Problemist, 1951

8/1K4p1/8/3k2B1/4N3/1R3Q2/8/8

#2

5 + 2

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3#
  • Keys
    • 1.Sc3+!
      • 1...Kc4
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#

This is a version

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAB1(B)
  • Actual
    • S(C);CHECK
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
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