MESON Chess Problem Database

Problem Display
PID: 100478 (2RNN3/B4r2/3p1p2/3k1p2/1RrPnK2/2b1p3/6Qp/8 w - - 0 1)

Bakcsi, Gyorgy

Israel Ring Ty., 1961

2RNN3/B4r2/3p1p2/3k1p2/1RrPnK2/2b1p3/6Qp/8

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Rb5#
    • 1...Rb7
      • 2.Sxf6#
    • 1...Rc7
      • 2.Sxf6#
    • 1...Rd7
      • 2.Sxf6#
    • 1...Re7
      • 2.Sxf6#
    • 1...Rg7
      • 2.Sxf6#
    • 1...Rh7
      • 2.Sxf6#
  • Tries
    • 1.Qg8?
      • threat
        • 2.Qxf7#
      • 1...Rc7
        • 2.Sxc7#
      • 1...Sg5
        • 2.Sxf6#
      • 1...Sc5!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qxc4#
      • 1...Rc7
        • 2.Sxc7#
      • 1...Sd2
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD,XP(C)::R(B)
    • R(j);N_GUARD::S(H),XP(i)
  • Tries
    • Try
      • Q(A);N_PINS(e),P_PINR(j)
      • Threat
        • QAB(A),XR(j)
      • Vars
        • R(d);N_GUARD::S(H),XR(d)
        • S(e);N_GUARD,P_PINP(C)::S(H),XP(i)
      • Refutation
        • S(e);P_PINP(C)
  • Actual
    • Q(A);N_PINS(e),P_PINR(d)
    • Threat
      • QAB1(A),XR(d)
    • Vars
      • R(j);N_GUARD::S(H),XR(j)
      • S(e);N_GUARD,P_PINP(C)::R(B)
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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).