MESON Chess Problem Database

Problem Display
PID: 106060 (8/3N1Kpk/7p/8/3R4/8/8/B7 w - - 0 1)

Daishkovsky, Aleksandr

Serp i molot, 1990

8/3N1Kpk/7p/8/3R4/8/8/B7

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kh8
        • 2.Rd8#
      • 1...gxf6!
    • 1.Rd5?
      • 1...h5
        • 2.Rxh5#
      • 1...g5
        • 2.Sf8#
      • 1...g6
        • 2.Sf8#
      • 1...Kh8!
    • 1.Rd6?
      • 1...Kh8
        • 2.Rxh6#
      • 1...g5
        • 2.Sf8#
      • 1...g6
        • 2.Sf8#
      • 1...h5!
  • Keys
    • 1.Rh4!
      • 1...Kh8
        • 2.Rxh6#
      • 1...h5
        • 2.Rxh5#
      • 1...g5
        • 2.Sf8#
      • 1...g6
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);P-FLIGHT::R(B)
      • Refutation
        • P(b);XS(C)
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB::R(B),XP(a)
        • P(b);::S(C)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(b)
    • Try
      • R(B);
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b)::R(B),XP(a)
        • P(b);::S(C)
      • Refutation
        • P(a);
  • Actual
    • R(B);P_PINP(a)
    • Vars
      • K(c);P-FLIGHT::R(B),XP(a)
      • P(a);OGATEB::R(B),XP(a)
      • P(b);::S(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).