MESON Chess Problem Database

Problem Display
PID: 57492 (3K4/2pN2B1/2B5/p6p/1PpP3r/p1k5/R5rQ/2N5 w - - 0 1)

Kouwenhoven, JT

Tijdschrift vd NSB, 1895

3K4/2pN2B1/2B5/p6p/1PpP3r/p1k5/R5rQ/2N5

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qd2#
    • 1...Rd2
      • 2.Qxd2#
    • 1...Rg3
      • 2.Qd2#
    • 1...Rgg4
      • 2.Qd2#
    • 1...Rg5
      • 2.Qd2#
    • 1...Rg6
      • 2.Qd2#
    • 1...Rxg7
      • 2.Qd2#
  • Tries
    • 1.Sb6?
      • threat
        • 2.Sd5#
      • 1...Kxb4
        • 2.Sd5#
      • 1...Rxg7
        • 2.Qd2#
      • 1...Rg5
        • 2.Qd2#
      • 1...cxb6!
    • 1.Qg3+?
      • 1...Kxb4
        • 2.Bf8#
        • 2.Qxa3#
      • 1...Rxg3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sd5#
      • 1...Kxb4
        • 2.Sd5#
      • 1...Kxd4
        • 2.Sg4#
      • 1...Rxg7
        • 2.Qd2#
      • 1...Rg5
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(a);OGATE::QAB1(C)
    • R(a);OGATE::QAB1(C),XR(a)
    • R(a);OGATE,XB(H)::QAB1(C)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • K(c);S_FLIGHT,XP(D)::S(G)
        • R(a);OGATE,XB(H)::QAB1(C)
        • R(a);OGATE::QAB1(C)
      • Refutation
        • P(h);XS(G)
    • Try
      • Q(C);CHECK
      • Refutation
        • R(a);XQ(C)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT,XP(D)::S(G)
      • K(c);S_FLIGHT,XP(E)::B(H)+S(G)
      • R(a);OGATE,XB(H)::QAB1(C)
      • R(a);OGATE::QAB1(C)
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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).