MESON Chess Problem Database

Problem Display
PID: 190096 (4R1Q1/8/8/5P2/8/3K4/5k2/8 w - - 0 1)

Schlesinger, Bela

Magyar Sakkujsag, 1913

4R1Q1/8/8/5P2/8/3K4/5k2/8

#2

4 + 1

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Re2+?
      • 1...Kf1
        • 2.Qg2#
      • 1...Kf3!
    • 1.Qg3+?
      • 1...Kf1
        • 2.Re1#
      • 1...Kxg3!
  • Keys
    • 1.Re1!
      • 1...Kxe1
        • 2.Qg1#
      • 1...Kf3
        • 2.Rf1#

This anticipates 104360(1993), 164866(2008), 234968(2008)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(D)
      • K(a);P-FLIGHT::R(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).