MESON Chess Problem Database

Problem Display
PID: 265121 (4R2B/1B5n/3p1rN1/r2P3p/p2k2nR/1p4P1/4K3/2Q5 w - - 0 1)

Cacciari, Europe

Magyar Sakkvilag, 1947

4R2B/1B5n/3p1rN1/r2P3p/p2k2nR/1p4P1/4K3/2Q5

#2

9 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Bxf6#
    • 1...Sf8
      • 2.Bxf6#
  • Tries
    • 1.Qc2?
      • threat
        • 2.Re4#
      • 1...Sg5
        • 2.Bxf6#
      • 1...bxc2!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sf5#
      • 1...Ke4
        • 2.Qe3#
      • 1...Ke5
        • 2.Qf4#
      • 1...Rxd5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(i);N_GUARD::B(I),XR(h)
  • Tries
    • Try
      • Q(A);
      • Threat
        • R1(H)
      • Vars
        • S(i);N_GUARD::B(I),XR(h)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(c);N_GUARD,N_SPINR(h),P-FLIGHT::QAR1(A)
      • K(c);N_GUARD,N_SPINS(d),S_FLIGHT::QAB1(A)
      • R(e);SBLOCK,XP(E)::S(F)
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