MESON Chess Problem Database

Problem Display
PID: 231104 (8/4Q3/8/6rp/7k/8/7K/8 w - - 0 1)

Schwarz, Bela

Magyar Sakkvilag, 1927

8/4Q3/8/6rp/7k/8/7K/8

#2

2 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Qe4#
  • Keys
    • 1.Qe1+!
      • 1...Kg4
        • 2.Qe4#
      • 1...Rg3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINR(b),P-FLIGHT::QAR2(B)
  • Actual
    • Q(B);CHECK,N_PINR(b)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • R(b);N_GUARD,P_SPINR(b)::QAB1(B),XR(b)
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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).