MESON Chess Problem Database

Problem Display
PID: 51470 (B7/6N1/2rp4/1p1k4/1P2nPp1/1P6/2p3Q1/B1K5 w - - 0 1)

Parthasarathy, Dr Mukkur

The Guardian, 1961

B7/6N1/2rp4/1p1k4/1P2nPp1/1P6/2p3Q1/B1K5

#2

8 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qd3#
      • 1...Sf2
        • 2.Qe6#
      • 1...Sc5!
    • 1.Qxg4?
      • threat
        • 2.Qf5#
        • 2.Qe6#
      • 1...Sg3
        • 2.Qe6#
      • 1...Sc5
        • 2.Qf5#
      • 1...Sg5
        • 2.Qf5#
      • 1...Sc3!
  • Keys
    • 1.Qxc2!
      • threat
        • 2.Bxc6#
        • 2.Qxc6#
      • 1...Sc3
        • 2.Qd3#
      • 1...Sc5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);N_PINS(b)
      • Threat
        • QAR2(C)
      • Vars
        • S(b);OGATE::QAB1(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);N_PINS(b),XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAB1(C)
        • S(b);::QAR2(C)
      • Refutation
        • S(b);
  • Actual
    • Q(C);N_PINS(b),P_SPINQ(C),XP(a)
    • Threat
      • DUALS(2)
    • Vars
      • S(b);N_PINQ(C)::QAR2(C)
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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).