MESON Chess Problem Database

Problem Display
PID: 187655 (7n/5rQ1/3p2p1/3Kp1k1/7R/6p1/7N/8 w - - 0 1)

Kintzig, Robert

Vasarnapi Ujsag, 1909

7n/5rQ1/3p2p1/3Kp1k1/7R/6p1/7N/8

#2

4 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh4
      • 2.Qh6#
  • Keys
    • 1.Ke6!
      • threat
        • 2.Qh6#
      • 1...Rf6+
        • 2.Qxf6#
      • 1...Re7+
        • 2.Qxe7#
      • 1...Kxh4
        • 2.Qh6#
      • 1...Rxg7
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(e),S_FLIGHT,XR(B)::QAR2(D)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB1(D)
    • Vars
      • R(f);CHECK,N_GUARD::QAB1(D),XR(f)
      • R(f);CHECK,OGATE::QAB(D),XR(f)
      • K(c);N_SPINP(e),S_FLIGHT,XR(B)::QAR2(D)
      • R(f);N_GUARD,N_SPINP(e),XQ(D)::S(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).