MESON Chess Problem Database

Problem Display
PID: 155138 (5K2/b3Q1p1/N5p1/8/3kP3/6R1/2pP4/8 w - - 0 1)

Williams, Philip Hamilton

Holt School, 0000

5K2/b3Q1p1/N5p1/8/3kP3/6R1/2pP4/8

#2

6 + 5

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb4#
  • Tries
    • 1.Qd6+?
      • 1...Kc4
        • 2.Qb4#
        • 2.Qd3#
        • 2.Qd5#
      • 1...Kxe4!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Rc3#
        • 2.Qd5#
      • 1...Kxe5!
  • Keys
    • 1.d3!
      • threat
        • 2.Qxg7#
      • 1...Kc3
        • 2.Qb4#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Bb8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR1(E)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(E)
  • Actual
    • P(A);
    • Threat
      • QAB(E),XP(e)
    • Vars
      • K(b);S_FLIGHT::QAB1(E)
      • B(d);N_GUARD,P_PINQ(E)::QAB1(E),XB(d)
      • B(d);N_GUARD::QAB1(E)
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).