MESON Chess Problem Database

Problem Display
PID: 41271 (8/8/3K4/p4Rp1/1p1k4/1R4r1/1PPN1P2/7b w - - 0 1)

Groeneveld, Cornelis

2nd Comm., Meeting of Solidarity, 1998-2000

8/8/3K4/p4Rp1/1p1k4/1R4r1/1PPN1P2/7b

#2

7 + 6

102 Probleemblad 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Rd3#
    • 1...Rg2
      • 2.Rd3#
      • 2.Rd5#
    • 1...Rd3
      • 2.Rxd3#
    • 1...Re3
      • 2.fxe3#
    • 1...Rf3
      • 2.Rd5#
    • 1...Rg4
      • 2.Rd3#
    • 1...Bf3
      • 2.Rd3#
    • 1...Bd5
      • 2.Rxd5#
    • 1...a4
      • 2.Rxb4#
  • Tries
    • 1.Rf4+?
      • 1...Be4
        • 2.Rxe4#
      • 1...gxf4!
    • 1.Rc5?
      • threat
        • 2.Rc4#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Rc3!
  • Keys
    • 1.f3!
      • threat
        • 2.Rd3#
        • 2.Rd5#
      • 1...Rxf3
        • 2.Rd5#
      • 1...Bxf3
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::R1(E)
    • R(b);N_GUARD::R1(E),XR(b)
    • R(b);OGATE::P(D),XR(b)
    • R(b);S_CUTB(a)::R1(F)
    • B(a);S_CUTR(b)::R1(E)
    • B(a);N_GUARD::R1(F),XB(a)
    • P(e);N_GUARD::R(E),XP(c)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::R1(F),XB(a)
      • Refutation
        • P(f);XR(F)
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • B(a);N_GUARD::R1(F),XB(a)
      • Refutation
        • R(b);
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XP(D)::R1(F)
      • B(a);XP(D)::R1(E)
HTML5 logo

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).