MESON Chess Problem Database

Problem Display
PID: 234149 (8/5N2/2R5/pB1k1K1N/r4p2/3P3R/8/b7 w - - 0 1)

Abramenko, Sergey Petrovich

ChessStar, 2012

8/5N2/2R5/pB1k1K1N/r4p2/3P3R/8/b7

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sf6#
    • 1...Bd4
      • 2.Sxf4#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Sxf4#
        • 2.Bc6#
      • 1...Be5
        • 2.Bc6#
      • 1...f3
        • 2.Sf4#
        • 2.Bc6#
      • 1...Rxc4!
  • Keys
    • 1.d4!
      • threat
        • 2.Rd6#
      • 1...Kxd4
        • 2.Rd3#
      • 1...Rxd4
        • 2.Sf6#
      • 1...Bxd4
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK,S_CUTB(a)::S(E)
    • B(a);SBLOCK,S_CUTR(b)::S(E),XP(c)
  • Tries
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::B(C)
      • Refutation
        • R(b);XR(F)
  • Actual
    • P(A);
    • Threat
      • R1(F)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(A)::R1(B)
      • R(b);SBLOCK,XP(A)::S(E)
      • B(a);SBLOCK,XP(A)::S(E),XP(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).