MESON Chess Problem Database

Problem Display
PID: 51035 (8/8/8/4KN2/7p/1Np2k1B/4nrn1/4R3 w - - 0 1)

Williams, Philip Hamilton

The Inquirer, 1913

8/8/8/4KN2/7p/1Np2k1B/4nrn1/4R3

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Rxf1#
    • 1...Sc1
      • 2.Sbd4#
    • 1...Sg1
      • 2.Sbd4#
    • 1...Sg3
      • 2.Sbd4#
      • 2.Sfd4#
    • 1...Sd4
      • 2.Sbxd4#
    • 1...Sef4
      • 2.Sbd4#
    • 1...c2
      • 2.Sd2#
  • Keys
    • 1.Rg1!
      • 1...Sxg1
        • 2.Sbd4#
      • 1...Rf1
        • 2.Rxf1#
      • 1...Sc1
        • 2.Sbd4#
      • 1...Sg3
        • 2.Sbd4#
      • 1...Sd4
        • 2.Sbxd4#
      • 1...Sef4
        • 2.Sbd4#
      • 1...Se1
        • 2.Bg4#
      • 1...Se3
        • 2.Sxh4#
      • 1...Sgf4
        • 2.Bg4#
      • 1...c2
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATEB::R(A),XR(b)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • P(d);N_GUARD::S(B)
  • Actual
    • R(A);
    • Vars
      • S(a);N_GUARD,XR(A)::S(B)
      • R(b);OGATEB::R(A),XR(b)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • S(c);::B(C)
      • S(c);N_GUARD,SBLOCK::S(E),XP(f)
      • P(d);N_GUARD::S(B)
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