MESON Chess Problem Database

Problem Display
PID: 144285 (8/B1p3Q1/2p4K/b4p1b/r2p1k2/5P2/2N3P1/3N4 w - - 0 1)

Moon, James Frank

Evening News & Post, 0000

8/B1p3Q1/2p4K/b4p1b/r2p1k2/5P2/2N3P1/3N4

#2

7 + 8

14867 BCPS Library 1895
3402 Hampstead and Highgate Express 1895

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxc7#
    • 1...Bd2
      • 2.Qxc7#
    • 1...Bc3
      • 2.Qxc7#
    • 1...d3
      • 2.Be3#
  • Keys
    • 1.Sc3!
      • threat
        • 2.Se2#
      • 1...Bxc3
        • 2.Qxc7#
      • 1...Bxf3
        • 2.g3#
      • 1...dxc3
        • 2.Be3#
      • 1...d3
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::QAB(G),XP(h)
    • P(b);OGATE::B(F)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(d);N_GUARD,XS(A)::QAB(G),XP(h)
      • B(f);SBLOCK,XP(D)::P(C)
      • P(b);OGATE,XS(A)::B(F)
      • P(b);OGATE::B(F)
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