MESON Chess Problem Database

Problem Display
PID: 30459 (B6K/8/2R5/4B3/4n2p/3Nn2k/3R3N/8 w - - 0 1)

Shire, David J

The Independent, 1990

B6K/8/2R5/4B3/4n2p/3Nn2k/3R3N/8

#2

7 + 4

3256 David Shire Selected Chess Problems 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Sf4#
  • Keys
    • 1.Rc3!
      • 1...Sxd2
        • 2.Sf2#
      • 1...Sxc3
        • 2.Sf2#
      • 1...Sd1
        • 2.Sf4#
      • 1...Sf1
        • 2.Sf4#
      • 1...Sc2
        • 2.Sf4#
      • 1...Sg2
        • 2.Sf2#
      • 1...Sc4
        • 2.Sf4#
      • 1...Sg4
        • 2.Sf4#
      • 1...Sd5
        • 2.Sf4#
      • 1...Sf5
        • 2.Sf4#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sc5
        • 2.Sf2#
      • 1...Sg5
        • 2.Sf2#
      • 1...Sd6
        • 2.Sf2#
      • 1...Sf6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::S(C)
  • Actual
    • R(E);
    • Vars
      • S(c);N_GUARD,XR(A)::S(C)
      • S(c);N_GUARD,XR(E)::S(C)
      • S(a);::R(E)+S(C),DCHECK
      • S(a);SBLOCK::R(E)+S(C),DCHECK
      • S(c);N_GUARD::S(C),XS(c)
      • S(c);SBLOCK::S(C)
      • S(c);N_GUARD::S(C)
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