MESON Chess Problem Database

Problem Display
PID: 51424 (3nN3/2RpR3/8/3k4/2p1p3/2P1P3/1P1P1P2/3K4 w - - 0 1)

Grevatt, James G

Lipton, Michael

The Guardian, 1960

3nN3/2RpR3/8/3k4/2p1p3/2P1P3/1P1P1P2/3K4

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Sf6#
  • Keys
    • 1.d4!
      • threat
        • 2.Rc5#
        • 2.Re5#
      • 1...cxd4 ep
        • 2.c4#
      • 1...exd4 ep
        • 2.e4#
      • 1...Sc6
        • 2.Rcxd7#
      • 1...Se6
        • 2.Rexd7#
      • 1...Sb7
        • 2.Re5#
      • 1...Sf7
        • 2.Rc5#
      • 1...d6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::S(I)
  • Actual
    • P(C);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);EP,OGATE,XP(C)::P(E)
      • P(b);EP,OGATE,XP(C)::P(F)
      • S(e);SBLOCK::R(G),XP(d)
      • S(e);SBLOCK::R(H),XP(d)
      • S(e);::R1(H)
      • S(e);::R1(G)
      • P(d);SBLOCK::S(I)
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