MESON Chess Problem Database

Problem Display
PID: 190112 (8/4K1N1/4p2p/2Q3B1/6k1/6r1/6P1/8 w - - 0 1)

Blake, Percy Francis

Magyar Sakkujsag, 1913

8/4K1N1/4p2p/2Q3B1/6k1/6r1/6P1/8

#2

5 + 4

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...hxg5
      • 2.Qb4#
      • 2.Qd4#
      • 2.Qc4#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qf4#
      • 1...Kxg5
        • 2.Qxg3#
      • 1...Rxg2
        • 2.Qxg2#
      • 1...hxg5
        • 2.Qd4#
      • 1...Rf3
        • 2.Qh4#
      • 1...e5
        • 2.Qf5#

Anticipated by 189651(1911)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);P-FLIGHT,XB(C)::QAR2(B),XR(a)
      • R(a);OGATE,XP(A)::QAR2(B),XR(a)
      • P(d);SBLOCK,XB(C)::QAR(B)
      • R(a);OGATE::QAR1(B)
      • P(c);N_GUARD::QAB1(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).