MESON Chess Problem Database

Problem Display
PID: 203579 (2KN4/kP6/b2p4/Q7/3n4/8/7p/7B w - - 0 1)

Szasz, Lajos

Uj Nemezdek, 1924

2KN4/kP6/b2p4/Q7/3n4/8/7p/7B

#2

5 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sc6#
    • 1...Se2
      • 2.Sc6#
    • 1...Sb3
      • 2.Sc6#
    • 1...Sf3
      • 2.Sc6#
    • 1...Sb5
      • 2.Sc6#
    • 1...Sf5
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Se6
      • 2.Sc6#
    • 1...d5
      • 2.Qc5#
  • Keys
    • 1.Qc7!
      • 1...Bxb7+
        • 2.Qxb7#
      • 1...Bf1
        • 2.b8S#
      • 1...Be2
        • 2.b8S#
      • 1...Bd3
        • 2.b8S#
      • 1...Bc4
        • 2.b8S#
      • 1...Bb5
        • 2.b8S#
      • 1...Sc2
        • 2.Sc6#
      • 1...Se2
        • 2.Sc6#
      • 1...Sb3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sb5
        • 2.Sc6#
      • 1...Sf5
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Se6
        • 2.Sc6#
      • 1...d5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(E)
    • S(b);N_GUARD::S(E),XS(b)
    • P(d);N_GUARD::QAB(B)
  • Actual
    • Q(B);N_PINB(c)
    • Vars
      • B(c);CHECK,OGATE,P_SPINB(c),XP(C)::QAR1(B),XB(c)
      • B(c);N_PINP(C)::P=S
      • S(b);N_GUARD::S(E)
      • S(b);N_GUARD::S(E),XS(b)
      • P(d);N_GUARD::QAB(B)
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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).