MESON Chess Problem Database

Problem Display
PID: 273265 (1bQ2K2/5n2/1pnkp1Rp/1R5q/b1PP4/4r3/8/8 w - - 0 1)

Goldschmeding, Cornelis

13th Comm., TW-25 JT, 1993

1bQ2K2/5n2/1pnkp1Rp/1R5q/b1PP4/4r3/8/8

#2

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Rd5#
    • 1...Qe2
      • 2.Rd5#
    • 1...Qg4
      • 2.Rd5#
    • 1...Qh2
      • 2.Rd5#
    • 1...Qh3
      • 2.Rd5#
    • 1...Qh4
      • 2.Rd5#
    • 1...Qd5
      • 2.Rxd5#
    • 1...Ra3
      • 2.Rxe6#
    • 1...Rb3
      • 2.Rxe6#
    • 1...Rc3
      • 2.Rxe6#
    • 1...Rd3
      • 2.Rxe6#
    • 1...Rf3
      • 2.Rxe6#
    • 1...Rg3
      • 2.Rxe6#
    • 1...Rh3
      • 2.Rxe6#
    • 1...Sce5
      • 2.Rd5#
      • 2.Rxe6#
    • 1...Sfe5
      • 2.Rd5#
      • 2.Rxe6#
    • 1...Sg5
      • 2.Rd5#
  • Keys
    • 1.Ke8!
      • threat
        • 2.Qd7#
      • 1...Sce5
        • 2.Rxe6#
      • 1...Sfe5
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 15
  • Sets
    • Q(c);N_GUARD::R1(C)
    • Q(c);N_GUARD::R1(C),XQ(c)
    • R(a);N_GUARD::R1(D),XP(g)
    • S(i);S_CUTQ(c)::R1(C)
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • QAR1(E)
    • Vars
      • S(e);P_PINR(C),S_CUTR(a)::R1(D),XP(g)
      • S(i);P_PINR(D),S_CUTQ(c)::R1(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).