MESON Chess Problem Database

Problem Display
PID: 278123 (8/1N2P3/3P1PqP/6pn/2P1k1pR/b1QpN1PB/1nP1rBPK/8 w - - 0 1)

Svitek, Miroslav

Sachova skladba, 2023

8/1N2P3/3P1PqP/6pn/2P1k1pR/b1QpN1PB/1nP1rBPK/8

#2

15 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxh6
      • 2.e8Q#
      • 2.e8R#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bxd6
      • 2.Sxd6#
    • 1...Sd1
      • 2.cxd3#
    • 1...Sa4
      • 2.cxd3#
    • 1...Sxc4
      • 2.cxd3#
    • 1...Sxg3
      • 2.Rxg4#
    • 1...Sg7
      • 2.Rxg4#
  • Keys
    • 1.Sxg4!
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Se3#
      • 1...Qxf6
        • 2.Sxf6#
      • 1...Bxd6
        • 2.Sxd6#
      • 1...Sxc4
        • 2.Qxd3#
      • 1...dxc2
        • 2.Qf3#
      • 1...Qf5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • Q(i);N_GUARD,XP(M)::P=Q
    • B(c);N_GUARD::S(N),XB(c)
    • B(c);P_PINP(G),XP(K)::S(N),XB(c)
    • S(a);N_GUARD::P(A),XP(d)
    • S(a);N_GUARD,XP(I)::P(A),XP(d)
    • S(h);N_GUARD,XP(G)::R(J),XP(f)
    • S(h);N_GUARD::R(J),XP(f)
  • Actual
    • S(F);XP(f)
    • Threat
      • QAR1(E)
    • Vars
      • K(e);S_FLIGHT::B(H)+S(F),DCHECK
      • Q(i);XP(L)::R(J)+S(F),DCHECK,XQ(i)
      • B(c);P_PINP(G),XP(K)::S(N),XB(c)
      • S(a);N_GUARD,XP(I)::QAB1(E),XP(d)
      • P(d);OGATE,XP(A)::QAB1(E)
      • Q(i);SBLOCK::QAR1(E)
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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).