MESON Chess Problem Database

Problem Display
PID: 228836 (8/7r/5P2/7k/4BQN1/4K3/8/8 w - - 0 1)

Palkoska, Emil

Nova Praha, 1926

8/7r/5P2/7k/4BQN1/4K3/8/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Bf3#
        • 2.Bg6#
      • 1...Rh6
        • 2.Bf3#
        • 2.Qg4#
      • 1...Rg7!
    • 1.Bg6+?
      • 1...Kh4
        • 2.Sf2#
      • 1...Kxg6!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Se5#
      • 1...Kh4
        • 2.Sf2#
      • 1...Kg6
        • 2.Se5#
      • 1...Rg7
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Refutation
        • R(b);
    • Try
      • B(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(C)+S(D)
      • Refutation
        • K(a);S_FLIGHT,XB(B)
  • Actual
    • B(B);
    • Threat
      • B(B)+S(D)
    • Vars
      • K(a);P-FLIGHT::QAR(C)+S(D)
      • K(a);S_FLIGHT::S(D)
      • R(b);N_GUARD::QAR1(C)
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).