MESON Chess Problem Database

Problem Display
PID: 234234 (3k4/3Pp1PR/6p1/Kn4Q1/1p3BB1/1b2r3/1b2R2q/8 w - - 0 1)

Kipping, Cyril Stanley

Source?, 1958

3k4/3Pp1PR/6p1/Kn4Q1/1p3BB1/1b2r3/1b2R2q/8

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qxe7#
    • 1...Rd3
      • 2.Qxe7#
    • 1...Rf3
      • 2.Qxe7#
    • 1...Rg3
      • 2.Qxe7#
    • 1...Rh3
      • 2.Qxe7#
    • 1...Bd1
      • 2.g8Q#
      • 2.g8R#
    • 1...Bc2
      • 2.g8Q#
      • 2.g8R#
    • 1...Ba4
      • 2.g8Q#
      • 2.g8R#
  • Tries
    • 1.Rh8+?
      • 1...Bg8
        • 2.Rxg8#
      • 1...Qxh8!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qc8#
      • 1...e6
        • 2.g8Q#
        • 2.g8R#
      • 1...Rc3
        • 2.Qxe7#
      • 1...Sd6
        • 2.Qb6#
      • 1...Sa7
        • 2.Qb6#
        • 2.Qc7#
      • 1...Sc7
        • 2.Qxc7#
      • 1...e5
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::QAB1(E),XP(h)
    • B(c);N_GUARD::P=Q
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R(H),XB(c)
      • Refutation
        • Q(b);XR(H)
  • Actual
    • Q(E);N_PINP(h)
    • Threat
      • QAR1(E)
    • Vars
      • P(h);S_CUTB(c)::P=Q
      • R(d);N_GUARD::QAB1(E),XP(h)
      • S(f);N_GUARD::QAB(E)
      • S(f);N_GUARD::QAB1(E),XS(f)
      • P(h);OGATEB::B(B)
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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).