MESON Chess Problem Database

Problem Display
PID: 2313 (8/p4br1/rp2p1Pp/p3p3/3N4/QP1R4/KP6/2k5 w - - 0 1)

Feigl, Maximilian

2nd Prize, Leisure Hour, 1903

8/p4br1/rp2p1Pp/p3p3/3N4/QP1R4/KP6/2k5

#2

7 + 10

11 Brisbane Courier 1907

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qe1#
        • 2.Qd2#
        • 2.Qc3#
        • 2.Qc4#
      • 1...exd4
        • 2.Qd2#
        • 2.Qc4#
      • 1...b5
        • 2.Qe1#
        • 2.Qd2#
        • 2.Qc3#
        • 2.Qc5#
      • 1...axb4+!
    • 1.Qd6?
      • threat
        • 2.Qc7#
        • 2.Qc6#
      • 1...Bxg6
        • 2.Qc6#
      • 1...Bg8
        • 2.Qc6#
      • 1...b5
        • 2.Qc5#
      • 1...Be8!
    • 1.Qa4?
      • threat
        • 2.Qc6#
        • 2.Qc4#
      • 1...Be8
        • 2.Qc4#
      • 1...b5!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qc8#
      • 1...Bxg6
        • 2.Qf1#
      • 1...Be8
        • 2.Qf1#
      • 1...Rg8
        • 2.Qxh6#
      • 1...Bg8
        • 2.Qf1#
      • 1...b5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::QAR(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(4)
      • Refutation
        • P(b);CHECK,XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(i);XP(G)::QAR(C)
        • B(i);::QAR(C)
        • P(e);N_GUARD::QAR(C)
      • Refutation
        • B(i);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(i);::QAR(C)
      • Refutation
        • P(e);
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • B(i);OGATE,XP(G)::QAR(C)
      • B(i);OGATE::QAR(C)
      • R(j);OGATE::QAB(C),XP(g)
      • P(e);N_GUARD::QAR(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).