MESON Chess Problem Database

Problem Display
PID: 152512 (8/8/3p4/3R1P1N/Kn1Pk1N1/8/8/3Q4 w - - 0 1)

Moon, James Frank

Hampstead and Highgate Express, 1898

(First published on Sat Oct 15 1898)

8/8/3p4/3R1P1N/Kn1Pk1N1/8/8/3Q4

#2

7 + 3

15 British Chess Magazine 1906
14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qh1#
  • Keys
    • 1.Se5!
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qe1#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Kxf5
        • 2.Qg4#
      • 1...Sxd5
        • 2.Qd3#
      • 1...dxe5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::QAB(A)
  • Actual
    • S(D);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
      • K(b);S_FLIGHT,XR(E)::S(G)
      • K(b);S_FLIGHT,XP(F)::QAB1(A)
      • S(a);N_GUARD,SBLOCK,XR(E)::QAB1(A)
      • P(c);OGATE,XS(D)::R1(E),XP(c)
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