MESON Chess Problem Database

Problem Display
PID: 195035 (8/3Kb3/8/4k3/2p1pRr1/2P2b2/3QPP2/8 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1918

8/3Kb3/8/4k3/2p1pRr1/2P2b2/3QPP2/8

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.Qd6#
    • 1...Bg5
      • 2.Qd6#
    • 1...Bd6
      • 2.Qxd6#
    • 1...Bf6
      • 2.Qd6#
    • 1...Bd8
      • 2.Qd6#
    • 1...e3
      • 2.Qd4#
  • Keys
    • 1.Qd5+!
      • 1...Kxf4
        • 2.e3#
      • 1...Kxd5
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(f);N_GUARD::QAB1(A)
    • B(f);N_GUARD::QAB1(A),XB(f)
    • P(c);::QAB1(A)
  • Actual
    • Q(A);CHECK
    • Vars
      • K(e);S_FLIGHT,XR(E)::P(B)
      • K(e);P-FLIGHT,XQ(A)::R(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).