MESON Chess Problem Database

Problem Display
PID: 129726 (3N4/2p3K1/2pkPP2/P2qR3/P2p2P1/3P4/3Q4/8 w - - 0 1)

Marik, Josef V

Hlas naroda, 1898

3N4/2p3K1/2pkPP2/P2qR3/P2p2P1/3P4/3Q4/8

#2

10 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb7#
    • 1...Kxe5
      • 2.Qh2#
    • 1...Qh1
      • 2.Sf7#
    • 1...Qa2
      • 2.Sf7#
    • 1...Qg2
      • 2.Sf7#
    • 1...Qb3
      • 2.Sf7#
    • 1...Qf3
      • 2.Sf7#
    • 1...Qc4
      • 2.Sf7#
    • 1...Qe4
      • 2.Sf7#
    • 1...Qxa5
      • 2.Sf7#
    • 1...Qb5
      • 2.Sf7#
    • 1...Qc5
      • 2.Sf7#
  • Keys
    • 1.Qa2!
      • 1...Kc5
        • 2.Qa3#
      • 1...Kxe5
        • 2.Qh2#
      • 1...Qxa2
        • 2.Sf7#
      • 1...Qxe6
        • 2.Qxe6#
      • 1...Qxa5
        • 2.Sf7#
      • 1...Qxe5
        • 2.Sb7#
      • 1...Qh1
        • 2.Sf7#
      • 1...Qg2
        • 2.Sf7#
      • 1...Qb3
        • 2.Sf7#
      • 1...Qf3
        • 2.Sf7#
      • 1...Qc4
        • 2.Sf7#
      • 1...Qe4
        • 2.Sf7#
      • 1...Qb5
        • 2.Sf7#
      • 1...Qc5
        • 2.Sf7#
      • 1...c5
        • 2.Rxd5#
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINQ(b),S_FLIGHT::S(J)
    • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(A)
    • Q(b);::S(J)
    • Q(b);P_PINP(D)::S(J)
    • Q(b);XP(E)::S(J)
  • Actual
    • Q(A);
    • Vars
      • K(d);P_SPINQ(b),S_FLIGHT::QAB(A)
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(A)
      • Q(b);XQ(A)::S(J)
      • Q(b);OGATE,XP(G)::QAR1(A),XQ(b)
      • Q(b);XP(E)::S(J)
      • Q(b);P_PINP(H),SBLOCK,XR(F)::S(J)
      • Q(b);::S(J)
      • Q(b);P_PINP(D)::S(J)
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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).