MESON Chess Problem Database

Problem Display
PID: 270642 (8/7p/4R3/5K1k/1R6/8/B5p1/8 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Shakhmatnaya kompozitsiya, 2020

8/7p/4R3/5K1k/1R6/8/B5p1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Rh3#
      • 1...Kh4
        • 2.Rh6#
      • 1...g1S!
    • 1.Rbb6?
      • threat
        • 2.Rh6#
      • 1...h6
        • 2.Rxh6#
      • 1...Kh4!
  • Keys
    • 1.Re7!
      • threat
        • 2.Rxh7#
      • 1...Kh6
        • 2.Rh4#
      • 1...h6
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(b);N_GUARD,P-FLIGHT::R(D)
      • Refutation
        • P(a);
    • Try
      • R(B);
      • Threat
        • R1(D)
      • Vars
        • P(c);::R1(D),XP(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R(D),XP(c)
    • Vars
      • K(b);N_GUARD,P-FLIGHT::R(B)
      • P(c);SBLOCK::B(A)
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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).