MESON Chess Problem Database

Problem Display
PID: 278027 (1Nb1N3/1p1R1p2/5Pp1/4k1nQ/4p1Kb/p3P1Pp/B6P/8 w - - 0 1)

Sterkowiec, Marcin

Meson, 2024

1Nb1N3/1p1R1p2/5Pp1/4k1nQ/4p1Kb/p3P1Pp/B6P/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Qxg5#
    • 1...Bxd7+
      • 2.Sxd7#
    • 1...b5
      • 2.Sc6#
    • 1...b6
      • 2.Sc6#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Qf5#
      • 1...Bxd7+
        • 2.Sxd7#
      • 1...fxg6!
    • 1.gxh4?
      • threat
        • 2.Qxg5#
      • 1...Bxd7+
        • 2.Sxd7#
      • 1...gxh5+!
  • Keys
    • 1.Qh6!
      • 1...Bxd7+
        • 2.Sxd7#
      • 1...Bxg3
        • 2.Qxg5#
      • 1...Sf3
        • 2.Qf4#
      • 1...Se6
        • 2.Rd5#
      • 1...Sh7
        • 2.Qf4#
      • 1...b5
        • 2.Sc6#
      • 1...b6
        • 2.Sc6#

This is a version of 221577

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD,XP(D)::QAR2(F),XS(f)
    • B(j);CHECK,XR(H)::S(I),XB(j)
    • P(h);N_GUARD::S(I)
  • Tries
    • Try
      • Q(F);N_PINS(f),XP(g)
      • Threat
        • QAR1(F)
      • Vars
        • B(j);CHECK,XR(H)::S(I),XB(j)
      • Refutation
        • P(i);XQ(F)
    • Try
      • P(D);XB(d)
      • Threat
        • QAR2(F),XS(f)
      • Vars
        • B(j);CHECK,XR(H)::S(I),XB(j)
      • Refutation
        • P(g);CHECK,N_SPINS(f),XQ(F)
  • Actual
    • Q(F);N_PINS(f)
    • Vars
      • B(j);CHECK,XR(H)::S(I),XB(j)
      • B(d);N_GUARD,XP(D)::QAR2(F),XS(f)
      • S(f);OGATE::QAB1(F)
      • S(f);N_PINR(H),SBLOCK::R1(H)
      • P(h);N_GUARD::S(I)
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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).