MESON Chess Problem Database

Problem Display
PID: 129839 (8/Kp6/8/k1N5/p1P5/2Pnp3/1P6/5R1q w - - 0 1)

Husik, Karel

Ruch, 1948

8/Kp6/8/k1N5/p1P5/2Pnp3/1P6/5R1q

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf1
      • 2.Sxb7#
    • 1...Qg1
      • 2.Sxb7#
    • 1...Qh2
      • 2.Sxb7#
    • 1...Qh3
      • 2.Sxb7#
    • 1...Qh4
      • 2.Sxb7#
    • 1...Qh5
      • 2.Sxb7#
    • 1...Qh6
      • 2.Sxb7#
    • 1...Qh8
      • 2.Sxb7#
  • Keys
    • 1.Ra1!
      • threat
        • 2.Sb3#
        • 2.Rxa4#
      • 1...Qxa1
        • 2.Sxb7#
      • 1...Sxb2
        • 2.Sb3#
      • 1...Sxc5
        • 2.b4#
      • 1...Qc6
        • 2.Sb3#
      • 1...Qd1
        • 2.Sxb7#
      • 1...Sc1
        • 2.Rxa4#
        • 2.b4#
      • 1...a3
        • 2.Rxa3#
      • 1...b5
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD,XR(A)::S(E),XP(f)
    • Q(a);N_GUARD::S(E),XP(f)
    • Q(a);N_GUARD,SBLOCK::S(E),XP(f)
  • Actual
    • R(A);P_PINP(d)
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);N_GUARD,N_SPINP(d),XR(A)::S(E),XP(f)
      • S(b);XP(B)::S(E)
      • S(b);N_GUARD,XS(E)::P(B)
      • Q(a);::S(E)
      • Q(a);N_GUARD::S(E),XP(f)
      • P(d);OGATEB::R(A),XP(d)
      • P(f);::S(E)
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Developed and maintained by Brian Stephenson.
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