MESON Chess Problem Database

Problem Display
PID: 47739 (8/8/3p4/4p3/K1kBQ3/8/4P3/8 w - - 0 1)

Pituk, Alexander

Praca, 1948

8/8/3p4/4p3/K1kBQ3/8/4P3/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.Qc6#
    • 1...d5
      • 2.Qd3#
  • Tries
    • 1.Ka3?
      • 1...exd4
        • 2.Qc6#
      • 1...d5
        • 2.Qd3#
      • 1...Kb5!
  • Keys
    • 1.e3!
      • 1...exd4
        • 2.Qxd4#
      • 1...d5
        • 2.Qc2#

Anticipated by 203466(1924)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);P_SPINP(b),SBLOCK,XB(C)::QAR2(D)
    • P(c);SBLOCK::QAB1(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);P_SPINP(b),SBLOCK,XB(C)::QAR2(D)
        • P(c);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • P(b);OGATE,P_SPINP(b),XB(C)::QAR1(D),XP(b)
      • P(c);SBLOCK::QAR2(D)
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).