MESON Chess Problem Database

Problem Display
PID: 194106 (8/4p3/4PR2/p3k2K/1B6/6N1/3n1Q2/8 w - - 0 1)

Palkoska, Emil

Narodni Politika, 1917

8/4p3/4PR2/p3k2K/1B6/6N1/3n1Q2/8

#2

6 + 4

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc5#
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kxf6
        • 2.Bc3#
      • 1...Se4!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Rf5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Kxf6
        • 2.Bc3#
      • 1...exf6
        • 2.Qd6#

Anticipated by 41486(1899), 194103(1917)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
        • K(c);S_FLIGHT,XR(F)::B(C)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • Q(A);
    • Threat
      • R1(F)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);S_FLIGHT,XR(F)::B(C)
      • P(d);N_GUARD,SBLOCK,XR(F)::QAB1(A)
HTML5 logo

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).