MESON Chess Problem Database

Problem Display
PID: 241995 (8/8/1R1p4/3N4/k7/2Kp4/3B4/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/8/1R1p4/3N4/k7/2Kp4/3B4/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Ra6#
    • 1...Ka5
      • 2.Kb3#
  • Tries
    • 1.Rb1?
      • 1...Ka3
        • 2.Ra1#
      • 1...Ka5!
    • 1.Rb5?
      • 1...Ka3
        • 2.Ra5#
      • 1...Kxb5!
    • 1.Rb7?
      • 1...Ka3
        • 2.Ra7#
      • 1...Ka5!
    • 1.Rb8?
      • 1...Ka3
        • 2.Ra8#
      • 1...Ka5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Ra6#
      • 1...Ka3
        • 2.Ra6#
      • 1...Ka5
        • 2.Ra6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(D)
    • K(b);P-FLIGHT::B(A)+K(B)
  • Tries
    • Try
      • R(D);
      • Vars
        • K(b);P-FLIGHT::R(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);P-FLIGHT::R(D)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • R(D);
      • Vars
        • K(b);P-FLIGHT::R(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);P-FLIGHT::R(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • R(D)
    • Vars
      • K(b);P-FLIGHT::R(D)
      • K(b);P-FLIGHT::R1(D)
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).