MESON Chess Problem Database

Problem Display
PID: 98128 (B1n2r1n/3N4/2q2pR1/r2b1p1K/1QPNk3/3pp3/4P3/B4R2 w - - 0 1)

Kipping, Cyril Stanley

Problem (Zagreb), 1953

B1n2r1n/3N4/2q2pR1/r2b1p1K/1QPNk3/3pp3/4P3/B4R2

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...dxe2
      • 2.Qb1#
    • 1...d2
      • 2.Qb1#
  • Tries
    • 1.Rg4+?
      • 1...f4
        • 2.Rfxf4#
        • 2.Rgxf4#
      • 1...fxg4!
  • Keys
    • 1.Sxf5!
      • threat
        • 2.Sg3#
        • 2.Rg4#
      • 1...Rxa1
        • 2.Rg4#
      • 1...Bxc4
        • 2.Qxc4#
      • 1...Sxg6
        • 2.Sg3#
      • 1...dxe2
        • 2.Qb1#
      • 1...Qd6
        • 2.c5#
      • 1...Qc7
        • 2.c5#
      • 1...Rg8
        • 2.Sg3#
      • 1...Be6
        • 2.Rg4#
      • 1...Bf7
        • 2.Sxf6#
      • 1...Bg8
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATEB,XP(C)::QAB(D)
    • P(a);OGATEB::QAB(D)
  • Tries
    • Try
      • R(H);CHECK
      • Refutation
        • P(f);XR(H)
  • Actual
    • S(F);XP(f)
    • Threat
      • DUALS(2)
    • Vars
      • R(d);XB(A)::R(H)
      • B(e);OGATE,P_PINS(F),P_SPINB(e),P_SPINQ(g),XP(E)::QAR2(D),XB(e)
      • S(k);XR(H)::S(F)
      • P(a);OGATEB,XP(C)::QAB(D)
      • Q(g);P_SPINB(e)::QAR(D)+P(E)
      • R(j);::S(F)
      • B(e);P_PINS(F),P_SPINQ(g)::R(H)
      • B(e);P_PINR(H),P_PINS(F),P_SPINQ(g),S_CUTR(j)::S(I),XP(h)
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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).