MESON Chess Problem Database

Problem Display
PID: 178605 (6B1/5p2/6N1/KppPB3/4k1P1/2R5/2PR4/1N2b3 w - - 0 1)

Lider, Valentin Viktorovich

Boletim da UBP, 1983

6B1/5p2/6N1/KppPB3/4k1P1/2R5/2PR4/1N2b3

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Rd4#
    • 1...fxg6
      • 2.Re2#
    • 1...f5
      • 2.Re2#
    • 1...f6
      • 2.Re2#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Re2#
      • 1...Bxd2
        • 2.Sxd2#
      • 1...Bf2!
    • 1.Rcd3?
      • threat
        • 2.Sc3#
      • 1...Bxd2+
        • 2.Sxd2#
      • 1...b4
        • 2.Re2#
      • 1...fxg6!
  • Keys
    • 1.Rdd3!
      • 1...Bxc3+
        • 2.Sxc3#
      • 1...fxg6
        • 2.Re3#
      • 1...Bf2
        • 2.Sd2#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Bg3
        • 2.Sd2#
      • 1...Bh4
        • 2.Sd2#
      • 1...b4
        • 2.Rc4#
      • 1...c4
        • 2.Rd4#
      • 1...f5
        • 2.Re3#
      • 1...f6
        • 2.Re3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD::R1(C)
    • P(e);XS(I)::R(C)
    • P(e);::R(C)
  • Tries
    • Try
      • B(J);XP(e)
      • Threat
        • R(C)
      • Vars
        • B(a);P_PINR(D),XR(C)::S(A),XB(a)
      • Refutation
        • B(a);
    • Try
      • R(D);P_SPINR(C)
      • Threat
        • S(A)
      • Vars
        • B(a);CHECK,XR(C)::S(A),XB(a)
        • P(c);N_PINR(C)::R(C)
      • Refutation
        • P(e);XS(I)
  • Actual
    • R(C);P_SPINR(D)
    • Vars
      • B(a);CHECK,XR(D)::S(A),XB(a)
      • P(e);XS(I)::R1(C)
      • B(a);N_GUARD,N_PINR(D)::S(A)
      • B(a);N_GUARD::S(A),XB(a)
      • P(c);N_PINR(D)::R(D)
      • P(d);N_GUARD::R1(C)
      • P(e);::R1(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).