MESON Chess Problem Database

Problem Display
PID: 135396 (8/8/8/8/1p6/1p1B4/1k2K3/7Q w - - 0 1)

Green, Joshua

Chess Problem Discussion Board, 2004

8/8/8/8/1p6/1p1B4/1k2K3/7Q

#2

3 + 3

3713 Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qa1#
    • 1...Kc3
      • 2.Qh8#
  • Tries
    • 1.Kd2?
      • 1...Ka3
        • 2.Qa1#
      • 1...Ka2!
    • 1.Ke3?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kc3
        • 2.Qc1#
        • 2.Qh8#
      • 1...Ka2!
    • 1.Qb1+?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kc3!
    • 1.Qe1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Ka2!
    • 1.Qf1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kc3
        • 2.Qf6#
      • 1...Ka2!
    • 1.Qg1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kc3
        • 2.Qg7#
      • 1...Ka2!
    • 1.Qh8+?
      • 1...Kc1
        • 2.Qa1#
      • 1...Ka3
        • 2.Qa1#
      • 1...Ka2!
  • Keys
    • 1.Qa8!
      • 1...Kc1
        • 2.Qa1#
      • 1...Kc3
        • 2.Qh8#

Anticipated by 231411(1927), 3214(1985-1986)

This is a version of 41108

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR2(A)
    • K(a);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::QAB(A)
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).