MESON Chess Problem Database

Problem Display
PID: 60675 (2N4b/p2Np3/p7/kn1n2R1/r4Q1K/1b6/8/R4B2 w - - 0 1)

McIntyre, Donald Glenoe

Source?, 1946

2N4b/p2Np3/p7/kn1n2R1/r4Q1K/1b6/8/R4B2

#2

7 + 9

5639 Some Problems For My Friends 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Qd2#
    • 1...Sb4
      • 2.Qc7#
  • Tries
    • 1.Sxa7?
      • threat
        • 2.Sc6#
      • 1...Sd4
        • 2.Qd2#
      • 1...Sb4
        • 2.Qc7#
      • 1...Sxa7!
    • 1.Sxe7?
      • threat
        • 2.Sc6#
      • 1...Sd4
        • 2.Qd2#
      • 1...Sb4
        • 2.Qc7#
      • 1...Sxe7!
  • Keys
    • 1.Sb8!
      • threat
        • 2.Sc6#
      • 1...Sd4
        • 2.Qd2#
      • 1...Sb4
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(d);N_PINQ(C),P_SPINS(e)::QAB(C)
    • S(e);N_PINQ(C),P_SPINS(d),SBLOCK::QAB(C)
  • Tries
    • Try
      • S(G);XP(g)
      • Threat
        • S(G)
      • Vars
        • S(d);N_PINQ(C),P_SPINS(e)::QAB(C)
        • S(e);N_PINQ(C),P_SPINS(d),SBLOCK::QAB(C)
      • Refutation
        • S(d);P_SPINS(e),XS(G)
    • Try
      • S(G);XP(h)
      • Threat
        • S(G)
      • Vars
        • S(d);N_PINQ(C),P_SPINS(e)::QAB(C)
        • S(e);N_PINQ(C),P_SPINS(d),SBLOCK::QAB(C)
      • Refutation
        • S(e);P_SPINS(d),XS(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • S(d);N_PINQ(C),P_SPINS(e)::QAB(C)
      • S(e);N_PINQ(C),P_SPINS(d),SBLOCK::QAB(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).