MESON Chess Problem Database

Problem Display
PID: 62547 (3R3b/Kp3p1q/6bQ/p5p1/P1k5/B1p2N2/P2P4/1R6 w - - 0 1)

Muralidharan, Krishnamurthy

Best Problems, 2004

3R3b/Kp3p1q/6bQ/p5p1/P1k5/B1p2N2/P2P4/1R6

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4+
      • 2.Rxd4#
    • 1...Be5
      • 2.Sxe5#
    • 1...f5
      • 2.d3#
    • 1...f6
      • 2.Rd4#
  • Tries
    • 1.Rb5?
      • threat
        • 2.Rc5#
      • 1...Bd4+
        • 2.Rxd4#
      • 1...b6!
    • 1.Qf8?
      • threat
        • 2.Qc5#
      • 1...Bd4+
        • 2.Rxd4#
      • 1...b6!
  • Keys
    • 1.Rxb7!
      • threat
        • 2.Rc7#
      • 1...Bd4+
        • 2.Rxd4#
      • 1...Be4
        • 2.Qa6#
      • 1...Be5
        • 2.Sxe5#
      • 1...f5
        • 2.d3#
      • 1...f6
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(i);CHECK,N_GUARD::R1(I),XB(i)
    • B(i);N_GUARD::S(E),XB(i)
    • P(g);S_CUTB(e)::P(C)
    • P(g);S_CUTB(i)::R1(I)
  • Tries
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • B(i);CHECK,N_GUARD::R1(I),XB(i)
      • Refutation
        • P(f);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • B(i);CHECK,N_GUARD::R1(I),XB(i)
      • Refutation
        • P(f);
  • Actual
    • R(A);XP(f)
    • Threat
      • R(A)
    • Vars
      • B(i);CHECK,N_GUARD::R1(I),XB(i)
      • B(e);OGATE::QAB(G)
      • B(i);N_GUARD::S(E),XB(i)
      • P(g);P_PINR(A),S_CUTB(e)::P(C)
      • P(g);P_PINR(A),S_CUTB(i)::R1(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).