MESON Chess Problem Database

Problem Display
PID: 272488 (6K1/1Q6/8/8/8/b4p2/prRR3p/qk6 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Mosiashvili-75 JT (Kudesnik), 2023

6K1/1Q6/8/8/8/b4p2/prRR3p/qk6

#2

4 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Rd1#
      • 1...Rb8+
        • 2.Rc8#
      • 1...Rxc2
        • 2.Qxc2#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...Rb3
        • 2.Rc3#
      • 1...Rb4
        • 2.Rc4#
      • 1...Rb5
        • 2.Rc5#
      • 1...Rb6
        • 2.Rc6#
      • 1...Rb7
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);N_PINR(d)
    • Threat
      • R(B)
    • Vars
      • R(d);CHECK,N_GUARD::QAB(C)+R(A)
      • R(d);OGATE,P_SPINR(d),XR(A)::QAB1(C),XR(d)
      • P(e);OGATE::QAR(C),XQ(e)
      • P(e);OGATE::QAR(C),XR(e)
      • R(d);N_GUARD::QAB(C)+R(A)
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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).