MESON Chess Problem Database

Problem Display
PID: 47952 (3Q4/7p/1B1pK2P/3p4/N2P2N1/1PpkpP2/P2b4/3R1R2 w - - 0 1)

Bourd, Evgeny

Sp. Prize (Young Composers), Discendo Discimus-150 JT, 2002

3Q4/7p/1B1pK2P/3p4/N2P2N1/1PpkpP2/P2b4/3R1R2

#2

12 + 7

102 Probleemblad 2003

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • 1...Kc2
        • 2.Qf5#
      • 1...c2
        • 2.Qxe3#
      • 1...e2
        • 2.Qf5#
      • 1...Ke2!
    • 1.Qc8?
      • 1...Ke2
        • 2.Qa6#
      • 1...c2
        • 2.Qa6#
      • 1...e2
        • 2.Qxc3#
      • 1...Kc2!
  • Keys
    • 1.Qd7!
      • 1...Kc2
        • 2.Qxh7#
      • 1...Ke2
        • 2.Qb5#
      • 1...c2
        • 2.Qb5#
      • 1...e2
        • 2.Qxh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(L);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB(L)
        • P(b);SBLOCK::QAR1(L),XP(d)
        • P(d);SBLOCK::QAB(L)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • Q(L);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB(L)
        • P(b);SBLOCK::QAB(L)
        • P(d);SBLOCK::QAR1(L),XP(b)
      • Refutation
        • K(c);N_SPINB(a),P_SPINP(b),S_FLIGHT
  • Actual
    • Q(L);
    • Vars
      • K(c);N_SPINB(a),S_FLIGHT::QAB(L),XP(g)
      • K(c);N_SPINB(a),S_FLIGHT::QAB(L)
      • P(b);SBLOCK::QAB(L)
      • P(d);SBLOCK::QAB(L),XP(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).