MESON Chess Problem Database

Problem Display
PID: 105550 (1b2N3/1p1pP3/1p1P3R/P1nk4/1p1B3R/4P3/4N3/1KQ5 w - - 0 1)

Kiss, Janos

Bakcsi-50 JT (Vizugyi Sports Club), 1983

1b2N3/1p1pP3/1p1P3R/P1nk4/1p1B3R/4P3/4N3/1KQ5

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6
      • 2.Rxd6#
    • 1...Sb3
      • 2.e4#
    • 1...Sd3
      • 2.e4#
    • 1...Sa4
      • 2.e4#
    • 1...Se4
      • 2.Sf4#
    • 1...Sa6
      • 2.e4#
    • 1...Se6
      • 2.e4#
    • 1...bxa5
      • 2.Qxc5#
    • 1...b5
      • 2.Qxc5#
  • Tries
    • 1.R6h5+?
      • 1...Ke6
        • 2.Qc4#
      • 1...Kc6!
  • Keys
    • 1.axb6!
      • threat
        • 2.Qxc5#
      • 1...Kc6
        • 2.Qxc5#
      • 1...Bxd6
        • 2.Rxd6#
      • 1...Sb3
        • 2.e4#
      • 1...Sd3
        • 2.e4#
      • 1...Sa4
        • 2.e4#
      • 1...Se4
        • 2.Sf4#
      • 1...Sa6
        • 2.e4#
      • 1...Se6
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(g);OGATE,XP(H)::R1(I),XB(g)
    • S(b);N_GUARD::P(D)
    • S(b);SBLOCK::S(C)
    • P(d);N_GUARD,XP(G)::QAR1(B),XS(b)
    • P(d);N_GUARD::QAR1(B),XS(b)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);P_SPINS(b),S_FLIGHT
  • Actual
    • P(G);XP(d)
    • Threat
      • QAR1(B),XS(b)
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::QAR1(B),XS(b)
      • B(g);OGATE,XP(H)::R1(I),XB(g)
      • S(b);N_GUARD::P(D)
      • S(b);SBLOCK::S(C)
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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).