MESON Chess Problem Database

Problem Display
PID: 248236 (1b1N4/2r5/B2R4/kp1N3R/p7/8/4n2K/8 w - - 0 1)

de Blasio, Francis JC

Comm., Al Hamishmar, 1950

1b1N4/2r5/B2R4/kp1N3R/p7/8/4n2K/8

#2

6 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Sb7#
    • 1...Rc2
      • 2.Sb7#
    • 1...Rc3
      • 2.Sb7#
    • 1...Rc4
      • 2.Sb7#
    • 1...Rc5
      • 2.Sb7#
    • 1...Rb7
      • 2.Sxb7#
    • 1...Rc8
      • 2.Sb7#
    • 1...b4
      • 2.Sxc7#
  • Keys
    • 1.Bc8!
      • threat
        • 2.Ra6#
      • 1...Rxc8
        • 2.Sb7#
      • 1...b4
        • 2.Sxc7#
      • 1...Rc1
        • 2.Sb7#
      • 1...Rc2
        • 2.Sb7#
      • 1...Rc3
        • 2.Sb7#
      • 1...Rc4
        • 2.Sb7#
      • 1...Rc5
        • 2.Sb7#
      • 1...Rc6
        • 2.Sxc6#
      • 1...Ra7
        • 2.Sc6#
      • 1...Rb7
        • 2.Sxb7#
      • 1...Rd7
        • 2.Sc6#
      • 1...Re7
        • 2.Sc6#
      • 1...Rf7
        • 2.Sc6#
      • 1...Rg7
        • 2.Sc6#
      • 1...Rh7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,P_PINR(E)::S(F)
    • R(e);N_GUARD,P_PINR(E)::S(F),XR(e)
    • P(d);SBLOCK::R(C)+S(B),XR(e)
  • Actual
    • B(D);
    • Threat
      • R1(E)
    • Vars
      • R(e);N_GUARD,P_PINR(E),XB(D)::S(F)
      • P(d);SBLOCK::R(C)+S(B),XR(e)
      • R(e);N_GUARD,P_PINR(E)::S(F)
      • R(e);N_GUARD,P_PINR(E)::S(F),XR(e)
      • R(e);N_GUARD,P_PINR(C)::S(F)
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