MESON Chess Problem Database

Problem Display
PID: 266653 (7Q/4B3/1N2P3/1qp5/6P1/k3P3/8/3NK3 w - - 0 1)

Lutt, Michael

1st Comm., SuperProblem 267. TT, 2022

7Q/4B3/1N2P3/1qp5/6P1/k3P3/8/3NK3

#2

8 + 3

1232 Kudesnik 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qb2#
    • 1...Kb4
      • 2.Qc3#
    • 1...Qd3
      • 2.Qb2#
    • 1...Qa4
      • 2.Qb2#
    • 1...Qc4
      • 2.Qb2#
    • 1...Qa6
      • 2.Qb2#
    • 1...Qc6
      • 2.Qb2#
    • 1...Qd7
      • 2.Qb2#
    • 1...Qe8
      • 2.Qb2#
    • 1...Qb2
      • 2.Qxb2#
  • Keys
    • 1.Qa1+!
      • 1...Kb3
        • 2.Qb2#
      • 1...Kb4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • K(a);N_SPINP(c),P-FLIGHT,S_CUTQ(b)::QAR1(H)
    • K(a);N_GUARD,S_CUTQ(b),S_FLIGHT::QAB1(H)
    • Q(b);N_GUARD::QAB1(H)
    • Q(b);N_GUARD::QAB1(H),XQ(b)
  • Actual
    • Q(H);CHECK
    • Vars
      • K(a);N_SPINP(c),P-FLIGHT,S_CUTQ(b)::QAR1(H)
      • K(a);N_GUARD,S_CUTQ(b),S_FLIGHT::QAB1(H)
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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).