MESON Chess Problem Database

Problem Display
PID: 44964 (n5Q1/6B1/1pPk4/1P1N4/8/K7/8/8 w - - 0 1)

Frankenstein, Edward Nathan

Source?, 0000

n5Q1/6B1/1pPk4/1P1N4/8/K7/8/8

#2

6 + 3

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kc5
        • 2.Qd5#
      • 1...Kc7
        • 2.Be5#
      • 1...Ke7
        • 2.Sf5#
      • 1...Sc7!
    • 1.Sc7?
      • 1...Kc5
        • 2.Qd5#
      • 1...Kxc7
        • 2.Be5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Sxc7!
    • 1.Qd8+?
      • 1...Ke6
        • 2.Qd7#
      • 1...Kc5!
    • 1.Qf8+?
      • 1...Ke6
        • 2.Sf4#
      • 1...Kxd5!
  • Keys
    • 1.Sf4!
      • 1...Kc5
        • 2.Qd5#
      • 1...Kc7
        • 2.Be5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Sc7
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR1(F)
        • K(b);S_FLIGHT::B(E)
        • K(b);S_FLIGHT::S(C)
      • Refutation
        • S(c);
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR1(F)
        • K(b);S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • S(c);XS(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT::QAR1(F)
      • K(b);S_FLIGHT::B(E)
      • K(b);S_FLIGHT::QAB1(F)
      • S(c);SBLOCK::QAB(F)
HTML5 logo

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).