MESON Chess Problem Database

Problem Display
PID: 53377 (4n1B1/8/2b2p2/Qp2BNp1/1P1Pk1r1/6p1/3K2P1/8 w - - 0 1)

Reijalt, J

Tijdschrift vd NSB, 1894

4n1B1/8/2b2p2/Qp2BNp1/1P1Pk1r1/6p1/3K2P1/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Sxg3#
    • 1...Rh4
      • 2.Sxg3#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sc7
      • 2.Sd6#
    • 1...Sg7
      • 2.Sd6#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qb1#
        • 2.Qc2#
      • 1...Kxf5
        • 2.Bh7#
      • 1...fxe5!
    • 1.Qa3?
      • threat
        • 2.Qd3#
        • 2.Qf3#
      • 1...fxe5
        • 2.Qf3#
      • 1...Rf4
        • 2.Sxg3#
        • 2.Qd3#
      • 1...Kxf5!
  • Keys
    • 1.Qc7!
      • 1...Kxf5
        • 2.Qh7#
      • 1...Sxc7
        • 2.Sd6#
      • 1...fxe5
        • 2.Qxe5#
      • 1...Rf4
        • 2.Sxg3#
      • 1...Rh4
        • 2.Sxg3#
      • 1...Bd5
        • 2.Qc2#
      • 1...Bb7
        • 2.Qc2#
      • 1...Bd7
        • 2.Qc2#
      • 1...Ba8
        • 2.Qc2#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sg7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(G),XP(a)
    • S(h);N_GUARD::S(G),XS(h)
    • S(h);N_GUARD::S(G)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(G)::B(H)
      • Refutation
        • P(g);XB(F)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);XB(F)::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT,XS(G)
  • Actual
    • Q(E);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(G)::QAB(E)
      • S(h);N_GUARD,XQ(E)::S(G)
      • P(g);OGATE,XB(F)::QAR1(E),XP(g)
      • R(c);N_GUARD::S(G),XP(a)
      • B(f);OGATE::QAB(E)
      • S(h);N_GUARD::S(G),XS(h)
      • S(h);N_GUARD::S(G)
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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).