MESON Chess Problem Database

Problem Display
PID: 87798 (8/8/1P3Qp1/3pN3/P2k1Ppb/4N3/K1B1R2B/8 w - - 0 1)

Siklosi, Miklos

Problemista, 1965

8/8/1P3Qp1/3pN3/P2k1Ppb/4N3/K1B1R2B/8

#2

10 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sd3#
    • 1...Be1
      • 2.Sd7#
    • 1...Bf2
      • 2.Sd7#
    • 1...Bg3
      • 2.Sd7#
    • 1...g5
      • 2.Sd7#
  • Tries
    • 1.Sd3+?
      • 1...Ke4
        • 2.Se1#
      • 1...Bxf6!
  • Keys
    • 1.Bg1!
      • 1...Kc3
        • 2.Sxd5#
      • 1...Kc5
        • 2.Sd3#
      • 1...Bxf6
        • 2.Sd1#
      • 1...Bg5
        • 2.Sd1#
      • 1...Be1
        • 2.Sd7#
      • 1...Bf2
        • 2.Sd7#
      • 1...Bg3
        • 2.Sd7#
      • 1...g3
        • 2.Sd1#
      • 1...g5
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(H)
    • B(c);N_GUARD::QAB(J)+S(H)
    • P(e);S_CUTB(c)::QAB(J)+S(H)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)+S(H)
      • Refutation
        • B(c);XQ(J)
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::S(E),XP(d)
      • K(a);S_FLIGHT::S(H)
      • B(c);N_GUARD,XQ(J)::B(D)+S(E)
      • B(c);N_GUARD::B(D)+S(E)
      • B(c);N_GUARD::QAB(J)+S(H)
      • P(b);S_CUTB(c)::B(D)+S(E)
      • P(e);S_CUTB(c)::QAB(J)+S(H)
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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).