MESON Chess Problem Database

Problem Display
PID: 244491 (3Q4/8/3N4/1PRpR1P1/3p4/PpPkP1B1/1p1p4/bK1B3n w - - 0 1)

Fomichev, Evgeny Vasilevich

Schweizerische Schachzeitung, 2002

3Q4/8/3N4/1PRpR1P1/3p4/PpPkP1B1/1p1p4/bK1B3n

#2

12 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...dxc3
      • 2.Rcxd5#
    • 1...dxe3
      • 2.Rexd5#
  • Keys
    • 1.Se4!
      • 1...Kxe3
        • 2.Sf2#
      • 1...Sxg3
        • 2.Sf2#
      • 1...dxc3
        • 2.Rxc3#
      • 1...dxe3
        • 2.Qxd5#
      • 1...dxe4
        • 2.Qxd4#
      • 1...Sf2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(g);OGATEB,SBLOCK,XP(D)::R(H),XP(h)
    • P(g);OGATEB,SBLOCK,XP(E)::R(I),XP(h)
  • Actual
    • S(K);
    • Vars
      • K(f);P-FLIGHT,XP(E)::R(I)+S(K)
      • S(b);N_GUARD,XB(F)::S(K)
      • P(g);OGATE,P_SPINP(h),XP(D)::R1(H),XP(g)
      • P(g);OGATEB,P_SPINP(h),SBLOCK,XP(E)::QAR2(L),XP(h)
      • P(h);OGATE,P_SPINP(g),XS(K)::QAR1(L),XP(g)
      • S(b);N_GUARD::S(K),XS(b)
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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).