MESON Chess Problem Database

Problem Display
PID: 210133 (8/3p4/2p3K1/2p1k3/2R5/8/3Q4/8 w - - 0 1)

Dragoescu, Radu

Land og Folk, 1979

8/3p4/2p3K1/2p1k3/2R5/8/3Q4/8

#2

3 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Re4#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Re4#
      • 1...Ke6
        • 2.Re4#
      • 1...d5!
  • Keys
    • 1.Kf7!
      • 1...Kf5
        • 2.Qf4#
      • 1...d5
        • 2.Qf4#
      • 1...d6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::R(B)
  • Tries
    • Try
      • Q(A);
      • Threat
        • R1(B)
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • P(d);
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • P(d);SBLOCK::QAB1(A)
      • P(d);SBLOCK::QAR2(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).