MESON Chess Problem Database

Problem Display
PID: 149198 (2B5/8/3R1nK1/1pP1k2p/3pp3/3P2P1/8/3NR3 w - - 0 1)

Lukashev, Viktor Sergeevich

Best Problems, 2010

2B5/8/3R1nK1/1pP1k2p/3pp3/3P2P1/8/3NR3

#2

8 + 6

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Rxe4#
    • 1...Sd5
      • 2.Rxe4#
      • 2.Re6#
    • 1...Sd7
      • 2.Rxe4#
    • 1...Sh7
      • 2.Rxe4#
    • 1...Se8
      • 2.Rxe4#
    • 1...Sg8
      • 2.Rxe4#
  • Tries
    • 1.Se3?
      • threat
        • 2.Re6#
      • 1...dxe3
        • 2.d4#
      • 1...Sd7!
    • 1.Rd5+?
      • 1...Sxd5
        • 2.Rxe4#
      • 1...Kxd5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Re6#
      • 1...dxc3
        • 2.d4#
      • 1...Sd7
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(f);N_GUARD::R1(B),XP(b)
  • Tries
    • Try
      • S(A);N_PINP(b)
      • Threat
        • R1(F)
      • Vars
        • P(a);OGATE,XS(A)::P(C)
      • Refutation
        • S(f);
    • Try
      • R(F);CHECK
      • Vars
        • S(f);SBLOCK,XR(F)::R1(B),XP(b)
      • Refutation
        • K(d);N_SPINP(b),P-FLIGHT,XR(F)
  • Actual
    • S(A);
    • Threat
      • R1(F)
    • Vars
      • P(a);OGATE,XS(A)::P(C)
      • S(f);N_GUARD::R1(B),XP(b)
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).