MESON Chess Problem Database

Problem Display
PID: 202597 (1n6/b1p1p3/4p2B/NpkN2R1/1pp5/4KQp1/8/3R4 w - - 0 1)

Bennett, Frederick

Brisbane Courier, 1923

1n6/b1p1p3/4p2B/NpkN2R1/1pp5/4KQp1/8/3R4

#2

7 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6+
      • 2.Sb6#
    • 1...Sc6
      • 2.Sb7#
    • 1...c6
      • 2.Sb7#
  • Tries
    • 1.Bf8?
      • threat
        • 2.Bxe7#
      • 1...Kd6+
        • 2.Sb6#
      • 1...Sc6
        • 2.Sb7#
      • 1...exd5!
    • 1.Qf7?
      • threat
        • 2.Qxe7#
      • 1...Kd6+
        • 2.Sb6#
      • 1...Sc6
        • 2.Sb7#
      • 1...exd5!
    • 1.Qf8?
      • threat
        • 2.Qxe7#
      • 1...Kd6+
        • 2.Sb6#
      • 1...Sc6
        • 2.Sb7#
      • 1...exd5!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qxe7#
      • 1...Kd6+
        • 2.Sb6#
      • 1...exd5
        • 2.Sb7#
        • 2.Rdxd5#
        • 2.Rgxd5#
      • 1...exf6
        • 2.Bf8#
      • 1...Sc6
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(e);CHECK,S_FLIGHT::R(A)+S(E)
    • S(j);SBLOCK::S(D)
    • P(h);SBLOCK::S(D)
  • Tries
    • Try
      • B(G);P_PINP(i)
      • Threat
        • B(G),XP(i)
      • Vars
        • K(e);CHECK,S_FLIGHT::R(A)+S(E)
        • S(j);SBLOCK::S(D)
      • Refutation
        • P(f);N_SPINP(i),P_SPINP(f),XS(E)
    • Try
      • Q(C);
      • Threat
        • QAB(C),XP(i)
      • Vars
        • K(e);CHECK,S_FLIGHT::R(A)+S(E)
        • S(j);SBLOCK::S(D)
      • Refutation
        • P(f);P_SPINP(f),XS(E)
    • Try
      • Q(C);P_PINP(i)
      • Threat
        • QAB(C),XP(i)
      • Vars
        • K(e);CHECK,S_FLIGHT::R(A)+S(E)
        • S(j);SBLOCK::S(D)
      • Refutation
        • P(f);N_SPINP(i),P_SPINP(f),XS(E)
  • Actual
    • Q(C);
    • Threat
      • QAB(C),XP(i)
    • Vars
      • K(e);CHECK,P_SPINP(f),S_FLIGHT::R(A)+S(E)
      • P(i);OGATEB,XQ(C)::B(G)
      • S(j);SBLOCK::S(D)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).