MESON Chess Problem Database

Problem Display
PID: 146580 (bK5R/1n2kN2/1N3r2/2p1p3/2B1n2B/6b1/1Q6/1q6 w - - 0 1)

Telkes, Imre

Source?, 0000

bK5R/1n2kN2/1N3r2/2p1p3/2B1n2B/6b1/1Q6/1q6

#2

7 + 9

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxe5#
    • 1...Bf2
      • 2.Qxe5#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Sc8#
        • 2.Re8#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Sed6
        • 2.Qd7#
      • 1...Qd3
        • 2.Sc8#
        • 2.Re8#
        • 2.Qe8#
      • 1...Qd1
        • 2.Sc8#
        • 2.Re8#
        • 2.Qe8#
      • 1...Sbd6
        • 2.Qd7#
      • 1...Qxb5!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sc8#
      • 1...Bxe5+
        • 2.Qxe5#
      • 1...Kd6
        • 2.Sc8#
      • 1...Sed6
        • 2.Sc6#
      • 1...Sbd6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::QAR2(A),XP(e)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(4)
      • Vars
        • S(c);::QAR1(A)
        • S(g);::QAR1(A)
      • Refutation
        • Q(a);XQ(A)
  • Actual
    • S(E);P_SPINS(E),XP(e)
    • Threat
      • S(D)
    • Vars
      • B(b);CHECK,OGATE,XS(E)::QAR2(A),XB(b)
      • K(h);N_PINS(E),N_SPINR(f),S_FLIGHT::S(D)
      • S(c);N_PINS(E),SBLOCK::S(E)
      • S(g);N_PINS(E),SBLOCK::S(E)
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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).