MESON Chess Problem Database

Problem Display
PID: 250167 (2r5/3n3B/p6r/KN3q1p/1N1PkP1R/2n1B3/3P4/5R2 w - - 0 1)

Levman, Semyon Semyonovich

Comm., L'Italia Scacchistica, 1927

2r5/3n3B/p6r/KN3q1p/1N1PkP1R/2n1B3/3P4/5R2

#2

10 + 8

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg6
      • 2.Sd6#
    • 1...Qxh7
      • 2.f5#
    • 1...Sc5
      • 2.Sxc3#
    • 1...Se5
      • 2.fxe5#
  • Keys
    • 1.Bg1!
      • threat
        • 2.d3#
      • 1...Qxh7
        • 2.f5#
      • 1...Qg6
        • 2.Sd6#
      • 1...Sc5
        • 2.Sxc3#
      • 1...Se5
        • 2.fxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_PINS(I)::S(I)
    • Q(c);N_PINS(I),N_SPINQ(c),OGATE,XB(J)::R(G)+P(F)
    • S(g);N_PINS(I)::S(I),XS(a)
    • S(g);N_PINS(I),OGATE::R(G)+P(F),XS(g)
  • Actual
    • B(C);
    • Threat
      • P(B)
    • Vars
      • Q(c);N_PINS(I),N_SPINQ(c),OGATE,XB(J)::R(G)+P(F)
      • Q(c);N_PINS(I)::S(I)
      • S(g);N_PINS(I)::S(I),XS(a)
      • S(g);N_PINS(I),OGATE::R(G)+P(F),XS(g)
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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).