MESON Chess Problem Database

Problem Display
PID: 178606 (6n1/3P4/n1NPp1Rp/3k3P/B3N3/1P1PK3/8/8 w - - 0 1)

Lider, Valentin Viktorovich

Boletim da UBP, 1982

6n1/3P4/n1NPp1Rp/3k3P/B3N3/1P1PK3/8/8

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Ke5
        • 2.d4#
      • 1...Sxe7!
    • 1.Rg5+?
      • 1...e5
        • 2.Rxe5#
      • 1...hxg5!
    • 1.d8Q?
      • 1...Sb4
        • 2.Qa5#
      • 1...Sc5
        • 2.Sc3#
      • 1...Sc7
        • 2.dxc7#
      • 1...Sb8
        • 2.Qa5#
      • 1...Se7
        • 2.dxe7#
      • 1...e5
        • 2.Qxg8#
      • 1...Sf6!
  • Keys
    • 1.d4!
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sc5
        • 2.Sb4#
      • 1...Sc7
        • 2.Sb4#
      • 1...Sb8
        • 2.Sb4#
      • 1...Sf6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...e5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT::P(B)
      • Refutation
        • S(e);XS(G)
    • Try
      • R(I);CHECK
      • Vars
        • P(c);P_SPINP(c)::R1(I),XP(c)
      • Refutation
        • P(d);XR(I)
    • Try
      • P(J);
      • Vars
        • S(b);N_GUARD::QAR(J)
        • S(b);SBLOCK::S(E)
        • S(b);OGATE::QAR(J)+P(H),XS(b)
        • S(e);OGATE::QAR(J)+P(H),XS(e)
        • P(c);OGATEB::QAB(J),XS(e)
      • Refutation
        • S(e);
  • Actual
    • P(B);
    • Vars
      • S(b);N_GUARD::S(G),XS(b)
      • S(b);N_GUARD::S(G)
      • S(e);N_GUARD::S(G)
      • S(e);N_GUARD::S(G),XS(e)
      • P(c);::S(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).