MESON Chess Problem Database

Problem Display
PID: 15924 (8/1K6/8/8/kpP5/r7/5RQ1/4B3 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1989

8/1K6/8/8/kpP5/r7/5RQ1/4B3

#2

5 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Qc6#
  • Tries
    • 1.Qc6+?
      • 1...Ka5
        • 2.Rf5#
        • 2.Qb5#
        • 2.Qa6#
      • 1...Kb3!
  • Keys
    • 1.Ra2!
      • 1...Kb3
        • 2.Qc2#
      • 1...Ka5
        • 2.Rxa3#
      • 1...Rxa2
        • 2.Qxa2#
      • 1...b3
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAB(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(B);P_PINR(a)
    • Vars
      • K(b);N_SPINR(a),S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT,P_SPINP(c)::R(B),XR(a)
      • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(C),XR(a)
      • P(c);SBLOCK::QAB(C)
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).