MESON Chess Problem Database

Problem Display
PID: 143825 (8/1n6/4p3/8/3kPp2/Q2N1P2/8/4R1K1 w - - 0 1)

Pirnie, Duncan

Western Morning News, 1928

(First published on Sat Sep 22 1928)

8/1n6/4p3/8/3kPp2/Q2N1P2/8/4R1K1

#2

6 + 4

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Keys
    • 1.Rd1!
      • 1...Ke3
        • 2.Sc1#
      • 1...Kc4
        • 2.Qb4#
      • 1...Sa5
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...Sd8
        • 2.Qc5#
      • 1...e5
        • 2.Sb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(A);
    • Vars
      • K(a);S_FLIGHT::QAR(C)+S(D)
      • K(a);P-FLIGHT::QAR1(C)
      • S(d);N_GUARD::QAB1(C)
      • S(d);N_GUARD::QAB1(C),XS(d)
      • P(c);SBLOCK::R(A)+S(D)
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