MESON Chess Problem Database

Problem Display
PID: 94589 (B3K3/8/2QP4/2PP4/P3kPRN/4P3/4R1n1/4N3 w - - 0 1)

Kiss, Janos

Miskolcsi Magasapitok, 1952

B3K3/8/2QP4/2PP4/P3kPRN/4P3/4R1n1/4N3

#2

13 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • threat
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qb1#
        • 2.Qb4#
      • 1...Sxe1
        • 2.Qc4#
      • 1...Sxe3
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qb4#
      • 1...Sxh4
        • 2.Qd3#
        • 2.Qb1#
      • 1...Sxf4!
    • 1.Qd7?
      • threat
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qe7#
        • 2.Qh7#
      • 1...Sxe1
        • 2.Qf5#
        • 2.Qh7#
      • 1...Sxf4
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qe7#
      • 1...Sxh4
        • 2.Qe6#
      • 1...Sxe3!
    • 1.Qa6?
      • threat
        • 2.Qd3#
        • 2.Qc4#
      • 1...Sxe1
        • 2.Qc4#
      • 1...Sxh4
        • 2.Qd3#
      • 1...Sxf4!
    • 1.Qc8?
      • threat
        • 2.Qf5#
        • 2.Qe6#
      • 1...Sxe1
        • 2.Qf5#
      • 1...Sxh4
        • 2.Qe6#
      • 1...Sxe3!
    • 1.d7?
      • threat
        • 2.Qe6#
        • 2.Qg6#
        • 2.d6#
      • 1...Sxe1
        • 2.Qg6#
      • 1...Sxf4
        • 2.Qe6#
      • 1...Sxh4
        • 2.Qe6#
      • 1...Sxe3!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb1#
        • 2.Qb4#
        • 2.Qe7#
        • 2.Qh7#
      • 1...Sxe1
        • 2.Qh7#
      • 1...Sxe3
        • 2.Qb4#
      • 1...Sxf4
        • 2.Qe7#
      • 1...Sxh4
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Threat
        • DUALS(4)
      • Vars
        • S(a);XS(A)::QAR2(J)
      • Refutation
        • S(a);P_SPINS(a),XP(E)
    • Try
      • Q(J);
      • Threat
        • DUALS(4)
      • Vars
        • S(a);XS(G)::QAR2(J)
      • Refutation
        • S(a);P_SPINS(a),XP(C)
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);XS(A)::QAR2(J)
        • S(a);XS(G)::QAB1(J)
      • Refutation
        • S(a);P_SPINS(a),XP(E)
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);XS(A)::QAB1(J)
        • S(a);XS(G)::QAR2(J)
      • Refutation
        • S(a);P_SPINS(a),XP(C)
    • Try
      • P(K);
      • Threat
        • DUALS(3)
      • Vars
        • S(a);XS(A)::QAB(J)
        • S(a);P_SPINS(a),XP(E)::QAR2(J)
        • S(a);XS(G)::QAR2(J)
      • Refutation
        • S(a);P_SPINS(a),XP(C)
  • Actual
    • Q(J);
    • Threat
      • DUALS(4)
    • Vars
      • S(a);XS(A)::QAB(J)
      • S(a);P_SPINS(a),XP(C)::QAR(J)
      • S(a);P_SPINS(a),XP(E)::QAR(J)
      • S(a);XS(G)::QAB(J)
HTML5 logo

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).