MESON Chess Problem Database

Problem Display
PID: 129798 (4k3/b3Pp2/1N1p3r/3K1N2/5p2/3p4/6r1/4Q3 w - - 0 1)

Mikan, Ilja

Sokolske besedy, 1932

4k3/b3Pp2/1N1p3r/3K1N2/5p2/3p4/6r1/4Q3

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Sg7#
    • 1...Rb2
      • 2.Sg7#
    • 1...Rc2
      • 2.Sg7#
    • 1...Rd2
      • 2.Sg7#
    • 1...Rf2
      • 2.Sg7#
    • 1...Rgh2
      • 2.Sg7#
    • 1...Rg7
      • 2.Sxg7#
    • 1...Rh1
      • 2.Sxd6#
    • 1...Rhh2
      • 2.Sxd6#
    • 1...Rh3
      • 2.Sxd6#
    • 1...Rh4
      • 2.Sxd6#
    • 1...Rh7
      • 2.Sxd6#
    • 1...Rh8
      • 2.Sxd6#
    • 1...f6
      • 2.Sxd6#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qa4#
      • 1...f6
        • 2.Sxd6#
      • 1...Rb2
        • 2.Sg7#
      • 1...Ra2
        • 2.Sg7#
      • 1...Rc2
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • R(a);N_GUARD::S(C)
    • R(a);N_GUARD::S(C),XR(a)
    • R(e);N_GUARD::S(C),XP(d)
    • P(g);S_CUTR(e)::S(C),XP(d)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • P(g);S_CUTR(e)::S(C),XP(d)
      • R(a);N_GUARD::S(C)
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