MESON Chess Problem Database

Problem Display
PID: 60669 (8/4p3/3Nn2K/1nb5/rRq1Bkpp/6p1/1Q1P3r/2B1RbN1 w - - 0 1)

McIntyre, Donald Glenoe

Cape Times, 1945

8/4p3/3Nn2K/1nb5/rRq1Bkpp/6p1/1Q1P3r/2B1RbN1

#2

9 + 12

5639 Some Problems For My Friends 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe4
      • 2.Rexe4#
    • 1...Be3
      • 2.dxe3#
    • 1...exd6
      • 2.Qf6#
  • Tries
    • 1.d4+?
      • 1...Rd2
        • 2.Bxd2#
        • 2.Qxd2#
      • 1...Qxc1!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qe5#
      • 1...Bxd6
        • 2.Rxf1#
      • 1...exd6
        • 2.Qf6#
      • 1...Qd4
        • 2.d3#
      • 1...Qe4
        • 2.Rexe4#
      • 1...Be2
        • 2.Sxe2#
      • 1...Be3
        • 2.dxe3#
      • 1...Bd4
        • 2.Re4#
      • 1...Sc3
        • 2.d4#
      • 1...Sbd4
        • 2.Re4#
      • 1...Sed4
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATE,P_SPINQ(e),XB(G)::R1(B),XQ(e)
    • B(j);OGATE::P(E),XB(j)
    • P(l);N_GUARD,XS(H)::QAR2(D)
  • Tries
    • Try
      • P(E);CHECK
      • Refutation
        • Q(e);XB(A)
  • Actual
    • B(G);P_PINQ(e)
    • Threat
      • QAB1(D)
    • Vars
      • B(j);N_GUARD,XS(H)::R(B),XB(a)
      • P(l);N_GUARD,XS(H)::QAR2(D)
      • Q(e);S_CUTB(j)::B(A)+P(E)
      • Q(e);N_GUARD::R1(B),XQ(e)
      • B(a);N_GUARD::S(C),XB(a)
      • B(j);OGATE::P(E),XB(j)
      • B(j);N_SPINQ(e),S_CUTQ(e)::R1(B)
      • S(i);::B(A)+P(E)
      • S(i);N_SPINQ(e),S_CUTQ(e)::R1(B)
      • S(k);N_SPINQ(e),S_CUTQ(e)::R1(B)
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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).