MESON Chess Problem Database

Problem Display
PID: 149230 (8/8/5R2/4K3/4p2k/5b1p/8/6Q1 w - - 0 1)

Abdullayev, Suleyman

Kudesnik, 2013

8/8/5R2/4K3/4p2k/5b1p/8/6Q1

#2

3 + 4

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Rh6#
  • Tries
    • 1.Kf5?
      • threat
        • 2.Qg5#
      • 1...Bg4+
        • 2.Qxg4#
      • 1...Kh5
        • 2.Qg5#
      • 1...h2
        • 2.Qxh2#
      • 1...Bg2!
    • 1.Rf4+?
      • 1...Bg4
        • 2.Qxg4#
      • 1...Kh5!
    • 1.Rg6?
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...h2
        • 2.Qxh2#
      • 1...Bg4
        • 2.Qxg4#
      • 1...Bg2!
  • Keys
    • 1.Kf4!
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...h2
        • 2.Qxh2#
      • 1...Bg2
        • 2.Rh6#
      • 1...Bg4
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::R(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • B(a);CHECK,N_GUARD::QAR1(A),XB(a)
        • K(d);P-FLIGHT::QAR1(A)
        • P(b);OGATEB::QAR2(A),XP(b)
      • Refutation
        • B(a);
    • Try
      • R(C);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR1(A),XB(a)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(d);P-FLIGHT::QAR1(A)
        • P(b);OGATEB::QAR2(A),XP(b)
        • B(a);N_GUARD::QAR1(A),XB(a)
      • Refutation
        • B(a);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAB1(A)
    • Vars
      • K(d);P-FLIGHT::QAR1(A)
      • P(b);OGATEB::QAR2(A),XP(b)
      • B(a);N_GUARD::R(C)
      • B(a);N_GUARD::QAR1(A),XB(a)
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).