MESON Chess Problem Database

Problem Display
PID: 133824 (b4K1k/6pB/1p3p2/qr6/1p1p2p1/r1nQ4/8/7R w - - 0 1)

Parthasarathy, Dr Mukkur

The Field, 1962

(First published on Thu Feb 15 1962)

b4K1k/6pB/1p3p2/qr6/1p1p2p1/r1nQ4/8/7R

#2

4 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bf5#
    • 1...Bd5
      • 2.Be4#
    • 1...Se4
      • 2.Bf5#
    • 1...Sd5
      • 2.Be4#
      • 2.Bf5#
      • 2.Bg6#
      • 2.Bg8#
    • 1...g5
      • 2.Be4#
  • Tries
    • 1.Bg8+?
      • 1...Bxh1
        • 2.Qh7#
      • 1...Rh5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qg8#
      • 1...Rd5
        • 2.Bf5#
      • 1...Bd5
        • 2.Be4#
      • 1...Sd5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(g);S_CUTB(k)::R(A)+B(C)
    • B(k);S_CUTR(g)::R(A)+B(C)
    • S(b);S_CUTB(k)::R(A)+B(C)
    • P(j);S_CUTR(g)::R(A)+B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • B(k);XR(A)::QAR1(B)
      • Refutation
        • R(g);P_SPINR(g)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • R(g);S_CUTB(k)::R(A)+B(C)
      • B(k);S_CUTR(g)::R(A)+B(C)
      • S(b);S_CUTB(k),S_CUTR(g)::R(A)+B(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).