MESON Chess Problem Database

Problem Display
PID: 226465 (8/4N3/2pp4/1n4n1/3k2K1/1Q2R3/8/8 w - - 0 1)

Gold, Samuel

Deutsche Schachzeitung, 1873

8/4N3/2pp4/1n4n1/3k2K1/1Q2R3/8/8

#2

4 + 5

5454 Near Snap 2020
15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sa7
      • 2.Qc3#
    • 1...Sc7
      • 2.Qc3#
    • 1...c5
      • 2.Sf5#
      • 2.Sc6#
      • 2.Qd3#
  • Keys
    • 1.Qc2!
      • 1...Kxe3
        • 2.Sf5#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sa7
        • 2.Qc3#
      • 1...Sc7
        • 2.Qc3#
      • 1...Sf3
        • 2.Re4#
      • 1...Sh3
        • 2.Re4#
      • 1...Se6
        • 2.Re4#
      • 1...Sf7
        • 2.Re4#
      • 1...Sh7
        • 2.Re4#
      • 1...c5
        • 2.Qd3#
      • 1...d5
        • 2.Sf5#

This anticipates 184810(1908)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAB1(A)
    • S(b);N_GUARD::QAB1(A),XS(b)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XR(B)::S(D)
      • S(b);N_GUARD::QAB1(A),XS(b)
      • S(c);N_GUARD::R1(B),XS(c)
      • S(b);N_GUARD::QAB1(A)
      • S(c);N_GUARD::R1(B)
      • P(d);SBLOCK::QAR1(A)
      • P(e);SBLOCK::S(D)
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