MESON Chess Problem Database

Problem Display
PID: 267248 (B7/2KP4/3N4/npk5/7R/4p3/2nN4/4B3 w - - 0 1)

Bottacchi, Antonio

Falkirk Herald, 1940

(First published on Wed Apr 17 1940)

B7/2KP4/3N4/npk5/7R/4p3/2nN4/4B3

#2

7 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.S2e4#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sc4
      • 2.Sb3#
  • Tries
    • 1.Rc4+?
      • 1...Sxc4
        • 2.Sb3#
      • 1...bxc4!
  • Keys
    • 1.d8Q!
      • threat
        • 2.Qg5#
      • 1...Sd4
        • 2.S2e4#
      • 1...Sc4
        • 2.Sb3#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sb4
        • 2.S6e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::S(B)
    • S(c);N_GUARD::S(B),XS(c)
    • S(c);N_GUARD::S(B)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • S(c);XR(C)::S(B)
      • Refutation
        • P(d);XR(C)
  • Actual
    • P(F);
    • Threat
      • QAR(F)
    • Vars
      • S(a);SBLOCK::S(B)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(D)
      • S(a);SBLOCK::S(D)
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