MESON Chess Problem Database

Problem Display
PID: 48613 (8/5N2/3pp3/4B3/1K2k3/5p2/2P2Q2/8 w - - 0 1)

Taylor, Jesse Paul

Danbury News, 0000

8/5N2/3pp3/4B3/1K2k3/5p2/2P2Q2/8

#2

5 + 4

5024 Elementary Chess Problems 1880
3713 Snap 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxf3#
  • Tries
    • 1.Sxd6+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kxe5!
    • 1.Qh4+?
      • 1...Ke3
        • 2.Qe1#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qd2?
      • threat
        • 2.Qd3#
      • 1...dxe5
        • 2.Sd6#
      • 1...Kf5!
  • Keys
    • 1.Qg3!
      • 1...Ke3
        • 2.Qe1#
      • 1...Kd5
        • 2.Qxf3#
      • 1...Kf5
        • 2.Sxd6#
      • 1...dxe5
        • 2.Qxe5#
      • 1...f2
        • 2.Qd3#
      • 1...d5
        • 2.Qf4#

This anticipates 154394(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(B),XP(a)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XB(D)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
        • K(b);OGATE,S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • P(c);SBLOCK,XB(D)::S(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR2(B)
      • K(b);S_FLIGHT::QAB(B),XP(a)
      • K(b);S_FLIGHT::S(E),XP(c)
      • P(c);OGATE,XB(D)::QAR1(B),XP(c)
      • P(a);OGATE::QAB1(B)
      • P(c);SBLOCK::QAR1(B)
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).