MESON Chess Problem Database

Problem Display
PID: 224807 (7b/8/3Q3N/3Pq3/3B1k1P/2N5/6K1/7n w - - 0 1)

Rusek, Jan Andrzej

Suomen Shakki, 1958

7b/8/3Q3N/3Pq3/3B1k1P/2N5/6K1/7n

#2

7 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qg4#
      • 1...Qe2+
        • 2.Sxe2#
      • 1...Qe4+
        • 2.Qxe4#
      • 1...Qxd5+
        • 2.Sxd5#
      • 1...Qg5+
        • 2.Qxg5#
      • 1...Qxd4
        • 2.Qg5#
      • 1...Qg7
        • 2.Se2#
      • 1...Qf5
        • 2.Qxf5#
      • 1...Qh5
        • 2.Qe4#
      • 1...Qe6
        • 2.Qg5#
      • 1...Sf2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);N_PINQ(c)
    • Threat
      • QAR1(F)
    • Vars
      • Q(c);CHECK,N_GUARD::S(B),XQ(c)
      • Q(c);CHECK,N_GUARD::QAR1(F),XQ(c)
      • Q(c);CHECK,XP(E)::S(B),XQ(c)
      • Q(c);CHECK,N_GUARD::QAB1(F),XQ(c)
      • Q(c);N_GUARD,XB(C)::QAB1(F)
      • Q(c);N_GUARD,P_PINQ(F)::S(B)
      • Q(c);N_GUARD::QAR1(F),XQ(c)
      • Q(c);N_GUARD::QAR1(F)
      • Q(c);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F)
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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).