MESON Chess Problem Database

Problem Display
PID: 27497 (1b2q3/2n2Rp1/p1p1k1N1/PpB5/3P4/1N3Q1b/B1nP4/2K5 w - - 0 1)

Dombrovskis, Alfreds A

Veders, Visvaldis M

Padomju Jaunatne, 1954

1b2q3/2n2Rp1/p1p1k1N1/PpB5/3P4/1N3Q1b/B1nP4/2K5

#2

10 + 10

2988 Izbrannie Kompozitsi 1985

SOLUTION

  • SOUND
  • Sets
    • 1...Qd7
      • 2.Sf8#
    • 1...Qe7
      • 2.Rxe7#
    • 1...Qc8
      • 2.Re7#
    • 1...Qf8
      • 2.Sxf8#
    • 1...Qg8
      • 2.Re7#
    • 1...Qh8
      • 2.Re7#
    • 1...Bf1
      • 2.Qf5#
    • 1...Bg2
      • 2.Qf5#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Sxd4
      • 2.Sxd4#
    • 1...Sa8
      • 2.Sa1#
  • Keys
    • 1.Sh8!
      • threat
        • 2.Qe4#
      • 1...Qxf7
        • 2.Qxf7#
      • 1...Qxh8
        • 2.Re7#
      • 1...Qe7
        • 2.Rxe7#
      • 1...Bg2
        • 2.Qf5#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Sd5
        • 2.Qxh3#
      • 1...Sa8
        • 2.Sa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(j);N_GUARD::S(I)
    • Q(j);N_GUARD::R1(J),XQ(j)
    • Q(j);N_GUARD::R1(J)
    • Q(j);N_GUARD::S(I),XQ(j)
    • B(b);N_GUARD::QAB1(E)
    • B(b);N_GUARD::QAB1(E),XB(b)
    • S(a);XP(F)::B(B)+S(D),DCHECK,XS(a)
    • S(g);N_GUARD::B(B)+S(D)
  • Actual
    • S(I);
    • Threat
      • QAR2(E)
    • Vars
      • Q(j);OGATE,XR(J)::QAB1(E),XQ(j)
      • Q(j);N_GUARD,XS(I)::R1(J)
      • Q(j);N_GUARD::R1(J),XQ(j)
      • B(b);N_GUARD::QAB1(E)
      • B(b);N_GUARD::QAB1(E),XB(b)
      • S(g);SBLOCK::QAB(E),XB(b)
      • S(g);N_GUARD::B(B)+S(D)
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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).