MESON Chess Problem Database

Problem Display
PID: 123441 (2B5/7N/8/7p/5p1k/1R2N1p1/6Kp/8 w - - 0 1)

Zujevas, Nikolajus

Uzdavinynas, 2000

2B5/7N/8/7p/5p1k/1R2N1p1/6Kp/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...fxe3
      • 2.Rb4#
  • Tries
    • 1.Rb1?
      • 1...h1Q+
        • 2.Rxh1#
      • 1...h1B+
        • 2.Rxh1#
      • 1...fxe3
        • 2.Rb4#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...f3+!
  • Keys
    • 1.Kh1!
      • threat
        • 2.Sg2#
      • 1...g2+
        • 2.Sxg2#
      • 1...fxe3
        • 2.Rb4#
      • 1...f3
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XS(C)::R(B)
  • Tries
    • Try
      • R(B);
      • Vars
        • P(a);CHECK,OGATEB::R(B),XQ(a)
        • P(a);CHECK,OGATEB::R(B),XB(a)
        • P(c);OGATEB,XS(C)::R(B)
        • P(a);OGATEB::R(B),XS(a)
        • P(a);OGATEB::R(B),XR(a)
      • Refutation
        • P(c);CHECK
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • S(C)
    • Vars
      • P(b);CHECK::S(C),XP(b)
      • P(c);OGATEB,XS(C)::R(B)
      • P(c);OGATEB::R(B)
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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).