MESON Chess Problem Database

Problem Display
PID: 175133 (1b3K2/1n2B3/2b1N1p1/3Pk3/1pqN4/1pp2Q2/8/8 w - - 0 1)

Munck, Laurits Andreas

320 Danske Skakopgaver, 1902

1b3K2/1n2B3/2b1N1p1/3Pk3/1pqN4/1pp2Q2/8/8

#2

6 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Sxc6#
    • 1...Qe2
      • 2.Sxc6#
    • 1...Qd3
      • 2.Sxc6#
    • 1...Qxd5
      • 2.Qf4#
    • 1...Bxd5
      • 2.Qf4#
    • 1...Sc5
      • 2.Sxc6#
    • 1...Sd6
      • 2.Bf6#
    • 1...g5
      • 2.Qf5#
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Qxd5
        • 2.Qf6#
      • 1...Qxd4
        • 2.Sf7#
      • 1...Bxd5
        • 2.Qf6#
      • 1...Qf1
        • 2.Sxc6#
      • 1...Qe2
        • 2.Sxc6#
      • 1...Qd3
        • 2.Sxc6#
      • 1...Sc5
        • 2.Sxc6#
      • 1...Sd6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(d);N_GUARD,P_PINQ(A)::S(B),XB(f)
    • Q(d);N_GUARD::S(B),XB(f)
    • Q(d);SBLOCK,XP(C)::QAB1(A)
    • B(f);SBLOCK,XP(C)::QAB1(A)
    • S(h);S_CUTQ(d)::S(B),XB(f)
    • S(h);SBLOCK::B(E)
    • P(g);N_GUARD::QAR1(A)
  • Actual
    • S(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(e);S_FLIGHT,XS(B)::QAR1(A)
      • Q(d);SBLOCK,XP(C)::QAB1(A)
      • Q(d);SBLOCK,XS(B)::S(D)
      • B(f);SBLOCK,XP(C)::QAB1(A)
      • Q(d);N_GUARD,P_PINQ(A)::S(B),XB(f)
      • Q(d);N_GUARD::S(B),XB(f)
      • S(h);S_CUTQ(d)::S(B),XB(f)
      • S(h);SBLOCK::B(E)
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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).