MESON Chess Problem Database

Problem Display
PID: 265365 (3k3K/2R3R1/3P4/5b2/n3r2b/5Q2/B7/8 w - - 0 1)

Vlasenko, Nikolai Fillipovich

Zadachi i Etyudi, 2010

3k3K/2R3R1/3P4/5b2/n3r2b/5Q2/B7/8

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Rg8#
    • 1...Rb4
      • 2.Rg8#
    • 1...Rc4
      • 2.Rg8#
    • 1...Rd4
      • 2.Rg8#
    • 1...Rf4
      • 2.Rg8#
    • 1...Re6
      • 2.Qa8#
    • 1...Be6
      • 2.Qf8#
  • Keys
    • 1.Be6!
      • threat
        • 2.Rc8#
        • 2.Rg8#
      • 1...Ke8
        • 2.Rg8#
      • 1...Rxe6
        • 2.Qa8#
      • 1...Bxe6
        • 2.Qf8#
      • 1...Rc4
        • 2.Rg8#
        • 2.Qa8#
      • 1...Rg4
        • 2.Rc8#
        • 2.Qa8#
      • 1...Bf6
        • 2.Rc8#
      • 1...Be7
        • 2.Rc8#
      • 1...Bg6
        • 2.Rc8#
      • 1...Bh7
        • 2.Rc8#
        • 2.Qf8#
      • 1...Sb6
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • K(e);P-FLIGHT,S_CUTR(b)::R(E)
    • R(b);N_GUARD::R(E)
    • R(b);OGATE::QAR(B)
    • B(d);OGATE::QAR2(B)
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);P-FLIGHT::R(E)
      • R(b);OGATE,XB(A)::QAR(B)
      • B(d);OGATE,XB(A)::QAR2(B)
      • B(c);P_PINR(E)::R1(D)
      • B(c);::R1(D)
      • B(d);::R1(D)
      • S(a);::R(E)
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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).