MESON Chess Problem Database

Problem Display
PID: 21182 (3kB3/3P4/3P3K/N5NQ/1r5p/2r5/1p6/2b4b w - - 0 1)

Guidelli, Giorgio

5th Prize=, Good Companions (January), 1917

3kB3/3P4/3P3K/N5NQ/1r5p/2r5/1p6/2b4b

#2

7 + 7

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sf7#
    • 1...Rf3
      • 2.Sc6#
    • 1...Re4
      • 2.Sb7#
    • 1...Rf4
      • 2.Se6#
    • 1...Bxg5+
      • 2.Qxg5#
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qf6#
      • 1...Bxg5+
        • 2.Qxg5#
      • 1...Re3
        • 2.Sf7#
      • 1...Rf3
        • 2.Sc6#
      • 1...Re4
        • 2.Sb7#
      • 1...Rf4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(d);N_PINS(B)::S(B)
    • R(d);N_GUARD,S_CUTB(b)::S(A)
    • R(e);N_GUARD,S_CUTB(b)::S(A)
    • R(e);N_PINS(B)::S(B)
    • B(a);CHECK,OGATE,XS(B)::QAB(C),XB(a)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • B(a);CHECK,OGATE,XS(B)::QAB(C),XB(a)
      • R(d);N_PINS(B)::S(B)
      • R(d);N_GUARD,S_CUTB(b)::S(A)
      • R(e);N_GUARD,S_CUTB(b)::S(A)
      • R(e);N_PINS(B)::S(B)
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