MESON Chess Problem Database

Problem Display
PID: 265742 (2B2Rbr/1N2Npn1/2p2kpp/1PQ2pr1/3P1PnB/8/K7/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Zamanov, Vidadi

Parcerisa-80 (Problemas), 2022

2B2Rbr/1N2Npn1/2p2kpp/1PQ2pr1/3P1PnB/8/K7/8

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rh7
      • 2.Sxg8#
    • 1...Sf2
      • 2.Qe5#
    • 1...Sh2
      • 2.Qe5#
    • 1...Se3
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
      • 2.dxe5#
      • 2.fxe5#
    • 1...cxb5
      • 2.Sd5#
    • 1...h5
      • 2.Bxg5#
      • 2.fxg5#
  • Tries
    • 1.Qxc6+?
      • 1...Kxe7
        • 2.Qd6#
      • 1...Se6!
  • Keys
    • 1.Sd6!
      • 1...Kxe7
        • 2.Se4#
      • 1...cxb5
        • 2.Sd5#
      • 1...Sh5
        • 2.Se8#
      • 1...Se6
        • 2.Se8#
      • 1...Se8
        • 2.Sxe8#
      • 1...Rh7
        • 2.Sxg8#
      • 1...Bh7
        • 2.Rxf7#
      • 1...Sf2
        • 2.Qe5#
      • 1...Sh2
        • 2.Qe5#
      • 1...Se3
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...h5
        • 2.Bxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(k);N_GUARD::S(H),XB(j)
    • S(a);N_GUARD::QAB1(F)
    • P(d);N_GUARD,XP(E)::S(H)
  • Tries
    • Try
      • Q(F);CHECK,XP(d)
      • Vars
        • K(e);N_SPINP(h),S_CUTS(i),S_FLIGHT,XS(H)::QAB1(F)
      • Refutation
        • S(i);P_SPINS(i)
  • Actual
    • S(G);
    • Vars
      • K(e);N_SPINP(h),S_CUTP(b),S_FLIGHT,XS(H)::QAB(F)+S(G)
      • P(d);N_GUARD,XP(E)::S(H)
      • S(i);N_GUARD::S(G)
      • S(i);N_GUARD::S(G),XS(i)
      • R(k);N_GUARD::S(H),XB(j)
      • B(j);N_GUARD::R1(J),XP(h)
      • S(a);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
      • P(g);N_GUARD::B(D),XR(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).