MESON Chess Problem Database

Problem Display
PID: 12319 (8/2N5/1p6/1B4p1/1k1p1pRb/1N1Rp1p1/2p3p1/2B1K1Q1 w - - 0 1)

Sushkov, Yuri Akimovich

2nd Place, Shakhmaty v SSSR, 1977

8/2N5/1p6/1B4p1/1k1p1pRb/1N1Rp1p1/2p3p1/2B1K1Q1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qxd4#
    • 1...f3
      • 2.Rgxd4#
  • Tries
    • 1.Qxg2?
      • 1...f3
        • 2.Rgxd4#
      • 1...e2!
  • Keys
    • 1.Sxd4!
      • 1...Ka5
        • 2.Sc6#
      • 1...Kc5
        • 2.Ba3#
      • 1...e2
        • 2.Sc6#
      • 1...f3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE::QAR2(C),XP(f)
    • P(g);OGATE,P_SPINP(f)::R(F),XP(f)
  • Tries
    • Try
      • Q(C);XP(b)
      • Vars
        • P(g);OGATE,P_SPINP(f)::R(F),XP(f)
      • Refutation
        • P(c);
  • Actual
    • S(D);XP(f)
    • Vars
      • K(e);S_FLIGHT::S(D)
      • K(e);S_FLIGHT::B(A)
      • P(c);::S(D)
      • P(g);::R(F)+S(D)
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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).