MESON Chess Problem Database

Problem Display
PID: 256582 (4N3/7p/1n4nP/3k2K1/4R3/8/2Q5/8 w - - 0 1)

de Barbieri, Vittorio

Wiener Schachzeitung, 1902

4N3/7p/1n4nP/3k2K1/4R3/8/2Q5/8

#2

5 + 4

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sd7
      • 2.Qc4#
    • 1...Sa8
      • 2.Qc4#
    • 1...Sc8
      • 2.Qc4#
  • Keys
    • 1.Qc3!
      • 1...Kxe4
        • 2.Sf6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sf4
        • 2.Re5#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sd7
        • 2.Qc4#
      • 1...Sa8
        • 2.Qc4#
      • 1...Sc8
        • 2.Qc4#
      • 1...Sh4
        • 2.Re5#
      • 1...Se7
        • 2.Re5#
      • 1...Sf8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAB1(A)
    • S(b);N_GUARD::QAB1(A),XS(b)
  • Actual
    • Q(A);
    • Vars
      • K(a);N_GUARD,S_FLIGHT,XR(B)::S(E)
      • S(b);N_GUARD::QAB1(A),XS(b)
      • S(c);N_GUARD::R1(B),XS(c)
      • S(c);N_GUARD::R1(B)
      • S(b);N_GUARD::QAB1(A)
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