MESON Chess Problem Database

Problem Display
PID: 148964 (5r1b/5B1N/3QP3/5P1R/3nkP2/3p1p1K/1q1p1B2/8 w - - 0 1)

Subotic, Miroslav

8th Comm., The Problemist, 2012

5r1b/5B1N/3QP3/5P1R/3nkP2/3p1p1K/1q1p1B2/8

#2

9 + 8

56 The Problemist 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qxe5#
    • 1...Bf6
      • 2.Sxf6#
    • 1...Sxf5
      • 2.Sg5#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Sg5#
      • 1...Sxe6
        • 2.Qc6#
      • 1...Bf6
        • 2.Sxf6#
      • 1...Rg8+!
    • 1.Bg6?
      • threat
        • 2.Sg5#
      • 1...Sxe6
        • 2.f6#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6!
    • 1.Qd5+?
      • 1...Kxf4
        • 2.Rh4#
      • 1...Kxd5!
  • Keys
    • 1.f6!
      • threat
        • 2.Qe5#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Sxe6
        • 2.Bg6#
      • 1...Qb5
        • 2.Qxd4#
      • 1...Qb8
        • 2.Qxd4#
      • 1...Sc2
        • 2.Bg6#
      • 1...Se2
        • 2.Bg6#
      • 1...Sb3
        • 2.Bg6#
      • 1...Sb5
        • 2.Bg6#
      • 1...Sf5
        • 2.Sg5#
      • 1...Sc6
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • B(h);N_GUARD::QAR1(F),XB(h)
    • B(h);N_GUARD::S(I),XB(h)
    • S(e);SBLOCK,XP(D)::S(I)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • S(I)
      • Vars
        • S(e);N_GUARD,XP(G)::QAB(F)
        • B(h);N_GUARD::S(I),XB(h)
      • Refutation
        • R(g);CHECK
    • Try
      • B(H);
      • Threat
        • S(I)
      • Vars
        • S(e);N_GUARD,XP(G)::B(H)+P(D)
        • B(h);N_GUARD::QAR1(F),XB(h)
      • Refutation
        • B(h);
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(C)::R(E)
      • Refutation
        • K(f);S_FLIGHT,XQ(F)
  • Actual
    • P(D);
    • Threat
      • QAR1(F)
    • Vars
      • B(h);XP(D)::S(I),XB(h)
      • S(e);N_GUARD,XP(G)::B(H)
      • Q(a);N_GUARD::QAR1(F),XS(e)
      • S(e);N_GUARD::B(H)
      • S(e);SBLOCK::S(I)
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).