MESON Chess Problem Database

Problem Display
PID: 194016 (b5N1/5Q2/R1nk3K/2N5/1b6/Bn2P3/3P4/3R4 w - - 0 1)

Tolosa y Carreras, Jose

Problemas de Ajedrez, 1917

b5N1/5Q2/R1nk3K/2N5/1b6/Bn2P3/3P4/3R4

#2

9 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe6#
  • Tries
    • 1.Qd7+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxc5!
  • Keys
    • 1.e4!
      • threat
        • 2.Qe7#
      • 1...Bxd2+
        • 2.Qf4#
      • 1...Kxc5
        • 2.Qd5#
      • 1...Ke5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINS(c),S_FLIGHT::QAR1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);N_SPINS(c),S_FLIGHT::QAR1(H)
      • Refutation
        • K(d);N_SPINS(c),P_SPINB(b),S_FLIGHT,XS(E)
  • Actual
    • P(D);
    • Threat
      • QAB1(H)
    • Vars
      • B(b);CHECK,P_SPINB(b),XP(B)::QAB(H)
      • K(d);N_SPINS(c),P_SPINB(b),S_FLIGHT,XS(E)::QAR1(H)
      • K(d);N_SPINS(c),S_FLIGHT::QAB1(H)
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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).