MESON Chess Problem Database

Problem Display
PID: 242897 (Q7/8/1r2p3/1n1pppB1/1P2k1n1/3p1N2/B5P1/3N2K1 w - - 0 1)

Schett, Sophie

English Mechanic and World of Science, 1881

(First published on Fri Jun 17 1881)

Q7/8/1r2p3/1n1pppB1/1P2k1n1/3p1N2/B5P1/3N2K1

#2

8 + 9

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Sxf2#
    • 1...Sh2
      • 2.Sf2#
    • 1...Se3
      • 2.Sf2#
    • 1...Sf6
      • 2.Sf2#
    • 1...Sh6
      • 2.Sf2#
    • 1...Sa3
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sd4
      • 2.Sc3#
      • 2.Sd2#
    • 1...Sd6
      • 2.Sc3#
    • 1...Sa7
      • 2.Sc3#
    • 1...Sc7
      • 2.Sc3#
    • 1...d2
      • 2.Bb1#
  • Keys
    • 1.Qa7!
      • 1...Sxa7
        • 2.Sc3#
      • 1...d2
        • 2.Bb1#
      • 1...f4
        • 2.Qh7#
      • 1...Ra6
        • 2.Sd2#
      • 1...Rc6
        • 2.Sd2#
      • 1...Rd6
        • 2.Sd2#
      • 1...Rb7
        • 2.Sd2#
      • 1...Rb8
        • 2.Sd2#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sh2
        • 2.Sf2#
      • 1...Se3
        • 2.Sf2#
      • 1...Sf6
        • 2.Sf2#
      • 1...Sh6
        • 2.Sf2#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Sc3#
        • 2.Sd2#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
      • 1...d4
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::S(A),XS(c)
    • S(c);N_GUARD::S(A)
    • S(d);N_GUARD::S(A)
    • S(d);N_GUARD::S(A),XS(d)
    • P(a);OGATEB::B(C)
  • Actual
    • Q(H);N_PINP(e)
    • Vars
      • S(d);N_GUARD,XQ(H)::S(A)
      • P(a);OGATEB::B(C)
      • P(g);OGATEB::QAB(H)
      • R(h);::S(E)
      • S(c);N_GUARD::S(A),XS(c)
      • S(c);N_GUARD::S(A)
      • S(d);N_GUARD::S(A)
      • S(d);N_GUARD::S(A),XS(d)
      • P(e);SBLOCK::S(E)
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