MESON Chess Problem Database

Problem Display
PID: 269770 (n4N2/8/2kr4/3NP3/P2P4/2K5/1R6/7Q w - - 0 1)

Simoni, Francesco

L'Italia Scacchistica, 1979

n4N2/8/2kr4/3NP3/P2P4/2K5/1R6/7Q

#2

8 + 3

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Rxb6#
    • 1...Sc7
      • 2.Se7#
      • 2.Rb6#
  • Tries
    • 1.exd6?
      • 1...Sb6
        • 2.Rxb6#
      • 1...Sc7
        • 2.Rb6#
      • 1...Kxd6!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qb7#
      • 1...Kxd5
        • 2.Qh1#
      • 1...Rd7
        • 2.Qxd7#
      • 1...Sb6
        • 2.Sb4#
      • 1...Sc7
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::R1(B),XS(c)
  • Tries
    • Try
      • P(G);XR(b)
      • Vars
        • S(c);N_GUARD::R1(B),XS(c)
        • S(c);N_GUARD::R1(B)
      • Refutation
        • K(a);P-FLIGHT,XP(G)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(F)::QAB(A)
      • R(b);N_GUARD::QAB1(A),XR(b)
      • S(c);SBLOCK::S(F)
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Developed and maintained by Brian Stephenson.
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