MESON Chess Problem Database

Problem Display
PID: 226920 (n4q2/5P2/N7/5Pp1/2Bk2P1/pP3K2/7Q/rNn5 w - - 0 1)

King-Parks, Thomas

Tidskrift for Schack, 1910

n4q2/5P2/N7/5Pp1/2Bk2P1/pP3K2/7Q/rNn5

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qb4
      • 2.Qh8#
    • 1...Qd6
      • 2.Qxd6#
    • 1...Qg7
      • 2.Qd6#
    • 1...Qc8
      • 2.Qd6#
    • 1...Qe8
      • 2.Qd6#
    • 1...Qg8
      • 2.Qd6#
    • 1...Qh8
      • 2.Qd6#
      • 2.Qxh8#
    • 1...a2
      • 2.Qb2#
  • Tries
    • 1.Qd2+?
      • 1...Sd3
        • 2.Qc3#
        • 2.Qe3#
      • 1...Ke5!
    • 1.Qh8+?
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qxh8!
  • Keys
    • 1.Sxa3!
      • threat
        • 2.Sb5#
        • 2.Qb2#
      • 1...Kc3
        • 2.Sb5#
      • 1...Qxa3
        • 2.Qh8#
      • 1...Rxa3
        • 2.Qb2#
      • 1...Sxb3
        • 2.Qb2#
      • 1...Qb4
        • 2.Qh8#
      • 1...Qc5
        • 2.Qb2#
      • 1...Qb8
        • 2.Qb2#
      • 1...Qe8
        • 2.Qb2#
      • 1...Rb1
        • 2.Sb5#
      • 1...Ra2
        • 2.Sb5#
      • 1...Sa2
        • 2.Sb5#
      • 1...Se2
        • 2.Sb5#
      • 1...Sd3
        • 2.Sb5#
      • 1...Sc7
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 12
    • REMOVED MATES = 5
  • Sets
    • Q(g);N_GUARD::QAB(B)
    • Q(g);N_GUARD::QAR2(B),XQ(g)
    • Q(g);N_GUARD::QAR2(B)
    • P(c);N_GUARD::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g)::QAB(B),XQ(g)
      • Refutation
        • Q(g);XQ(B)
  • Actual
    • S(A);XP(c)
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT::S(A)
      • Q(g);N_GUARD,P_PINP(C),XS(A)::QAB(B)
      • R(a);P_PINP(C),XS(A)::QAB(B)
      • S(b);XP(C)::QAB(B)
      • Q(g);N_GUARD::QAB(B)
      • Q(g);::QAB(B)
      • R(a);::S(A)
      • S(b);::S(A)
      • S(f);::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).