MESON Chess Problem Database

Problem Display
PID: 214730 (8/4p3/1KpkP3/5B2/4P3/2N3P1/1B6/8 w - - 0 1)

Seymour, Robert Hoe

Detroit Free Press, 1877

8/4p3/1KpkP3/5B2/4P3/2N3P1/1B6/8

#2

7 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sb5#
    • 1...c5
      • 2.Sb5#
  • Tries
    • 1.Kb7?
      • 1...Ke5
        • 2.Sb5#
      • 1...c5
        • 2.Sb5#
      • 1...Kc5!
    • 1.Sd5?
      • 1...cxd5
        • 2.e5#
      • 1...c5!
    • 1.Bh3?
      • 1...c5
        • 2.Sb5#
      • 1...Ke5!
    • 1.Bg4?
      • 1...c5
        • 2.Sb5#
      • 1...Ke5!
    • 1.g4?
      • 1...c5
        • 2.Sb5#
      • 1...Ke5!
  • Keys
    • 1.Ba1!
      • 1...Ke5
        • 2.Sb5#
      • 1...c5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(A)+S(B)
    • P(a);N_GUARD::S(B)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)+S(B)
        • P(a);N_GUARD,SBLOCK::S(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • P(a);SBLOCK,XS(B)::P(D)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Vars
        • P(a);N_GUARD::S(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(a);N_GUARD::S(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • P(a);N_GUARD::S(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::B(A)+S(B)
      • P(a);N_GUARD::S(B)
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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).