MESON Chess Problem Database

Problem Display
PID: 207550 (Q1b3Bn/1r1p1r2/3p4/R1pkp2R/3N1p2/1p1K4/8/5N2 w - - 0 1)

Faysse Pere, J

Amateur Chess Magazine, 1872

Q1b3Bn/1r1p1r2/3p4/R1pkp2R/3N1p2/1p1K4/8/5N2

#2

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Bxf7#
    • 1...f3
      • 2.Se3#
  • Tries
    • 1.Rf5?
      • 1...Sg6
        • 2.Bxf7#
      • 1...f3
        • 2.Se3#
      • 1...b2!
    • 1.Rg5?
      • 1...Sg6
        • 2.Bxf7#
      • 1...f3
        • 2.Se3#
      • 1...b2!
  • Keys
    • 1.Rb5!
      • 1...b2
        • 2.Qa2#
      • 1...Sg6
        • 2.Bxf7#
      • 1...f3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(k);N_GUARD::B(G),XR(i)
    • P(b);N_GUARD::S(A)
  • Tries
    • Try
      • R(E);
      • Vars
        • S(k);N_GUARD::B(G),XR(i)
        • P(b);N_GUARD::S(A)
      • Refutation
        • P(a);
    • Try
      • R(E);
      • Vars
        • S(k);N_GUARD::B(G),XR(i)
        • P(b);N_GUARD::S(A)
      • Refutation
        • P(a);
  • Actual
    • R(D);
    • Vars
      • P(a);OGATEB::QAB(F)
      • S(k);N_GUARD::B(G),XR(i)
      • P(b);N_GUARD::S(A)
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