MESON Chess Problem Database

Problem Display
PID: 186267 (2KB4/3R4/2p1k3/8/3b1P2/4rn2/2B5/2Q5 w - - 0 1)

Gurgui, Dan Constantin

Nicolaescu, Georghe

idee & form, 2016

2KB4/3R4/2p1k3/8/3b1P2/4rn2/2B5/2Q5

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.f5#
    • 1...Se5
      • 2.f5#
  • Tries
    • 1.Qxe3+?
      • 1...Be5
        • 2.Qb3#
        • 2.f5#
      • 1...Se5
        • 2.f5#
      • 1...Bxe3!
    • 1.Qg1?
      • threat
        • 2.Qg4#
        • 2.Qg8#
      • 1...Rd3
        • 2.Qg4#
      • 1...Re4
        • 2.Qg4#
      • 1...Re5
        • 2.Qg6#
        • 2.Qg8#
      • 1...Bg7
        • 2.Qg4#
      • 1...Sh2
        • 2.Qg8#
      • 1...Sh4
        • 2.Qg8#
      • 1...Se5
        • 2.f5#
      • 1...Sg5
        • 2.Qg4#
      • 1...Sxg1!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qh3#
      • 1...Re5
        • 2.Qh6#
      • 1...Se1
        • 2.Qxc6#
      • 1...Sg1
        • 2.Qxc6#
      • 1...Sd2
        • 2.Qxc6#
      • 1...Sh2
        • 2.Qxc6#
      • 1...Sh4
        • 2.Qxc6#
      • 1...Se5
        • 2.f5#
      • 1...Sg5
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::P(C)
    • S(b);SBLOCK::P(C)
  • Tries
    • Try
      • Q(A);CHECK,XR(a)
      • Vars
        • S(b);P_SPINS(b)::P(C)
      • Refutation
        • B(c);XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAB(A)
        • B(c);::QAB(A)
        • S(b);::QAB(A)
        • S(b);SBLOCK::P(C)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • R(a);S_CUTB(c)::QAR(A)
      • S(b);OGATE::QAR2(A),XP(d)
      • S(b);SBLOCK::P(C)
HTML5 logo

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).