MESON Chess Problem Database

Problem Display
PID: 268881 (8/4B3/3PkP2/4N3/pP2R3/Pp2K2P/1Q6/2N3R1 w - - 0 1)

Parcerisa, Jose Antonio Lopez

Problemas, 2020

8/4B3/3PkP2/4N3/pP2R3/Pp2K2P/1Q6/2N3R1

#2

12 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Scd3?
      • 1...Kd5
        • 2.Sf4#
      • 1...Kf5!
    • 1.Qc3?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Qc8#
      • 1...b2!
    • 1.Qe2?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg4#
      • 1...b2!
    • 1.Qg2?
      • 1...Kd5
        • 2.Qg8#
      • 1...Kf5
        • 2.Qg4#
      • 1...b2!
  • Keys
    • 1.Se2!
      • 1...Kd5
        • 2.Sf4#
      • 1...Kf5
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::S(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAB1(C)
        • K(c);N_GUARD,S_FLIGHT::QAB(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAB1(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAB(C)
        • K(c);N_GUARD,S_FLIGHT::QAB1(C)
      • Refutation
        • P(a);
  • Actual
    • S(A);
    • Vars
      • K(c);N_GUARD,S_FLIGHT::S(A)
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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).