MESON Chess Problem Database

Problem Display
PID: 132611 (8/4p1r1/8/2R1P1pB/1N1P1p1p/5nPP/2NPk1K1/2Q1B1n1 w - - 0 1)

Bakcsi, Gyorgy

1st Comm., Shakhmaty (Riga), 1978/II

8/4p1r1/8/2R1P1pB/1N1P1p1p/5nPP/2NPk1K1/2Q1B1n1

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxh3
      • 2.Bxf3#
  • Tries
    • 1.Bg6?
      • threat
        • 2.Bd3#
      • 1...Sxe1+
        • 2.Qxe1#
      • 1...Sxe5
        • 2.Rxe5#
      • 1...Rxg6!
  • Keys
    • 1.Be8!
      • threat
        • 2.Bb5#
      • 1...Sxe1+
        • 2.Qxe1#
      • 1...Sxd2
        • 2.Qxd2#
      • 1...Sxd4
        • 2.Sxd4#
      • 1...Sxe5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,XP(G)::B(L),XS(c)
  • Tries
    • Try
      • B(L);N_PINS(c)
      • Threat
        • B(L)
      • Vars
        • S(c);CHECK,OGATE,XB(B)::QAR1(A),XS(c)
        • S(c);OGATE,XP(K)::R(J),XS(c)
      • Refutation
        • R(h);XB(L)
  • Actual
    • B(L);N_PINS(c)
    • Threat
      • B(L)
    • Vars
      • S(c);CHECK,OGATE,XB(B)::QAR1(A),XS(c)
      • S(c);OGATE,XP(D)::QAR1(A),XS(c)
      • S(c);XP(I)::S(C),XS(c)
      • S(c);OGATE,XP(K)::R(J),XS(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).