MESON Chess Problem Database

Problem Display
PID: 2024 (8/8/2p5/2Pk1K1R/2p1pp2/1r3rp1/3P2N1/q1bQ2BB w - - 0 1)

Anonymous

Source?, 0000

8/8/2p5/2Pk1K1R/2p1pp2/1r3rp1/3P2N1/q1bQ2BB

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qf6+
      • 2.Kxf6#
    • 1...Qb1
      • 2.Kf6#
    • 1...Qa2
      • 2.Kf6#
    • 1...Qa3
      • 2.Kf6#
    • 1...Qa4
      • 2.Kf6#
    • 1...Qa5
      • 2.Kf6#
    • 1...Qa6
      • 2.Kf6#
    • 1...Qa7
      • 2.Kf6#
    • 1...Qa8
      • 2.Kf6#
    • 1...Rb2
      • 2.Kf6#
    • 1...Rbc3
      • 2.Kf6#
    • 1...Rfc3
      • 2.Kf6#
      • 2.Sxf4#
    • 1...Rd3
      • 2.Sxf4#
    • 1...c3
      • 2.Qxb3#
  • Keys
    • 1.d4!
      • threat
        • 2.Kf6#
      • 1...Qxd4
        • 2.Qxd4#
      • 1...cxd4 ep
        • 2.Qxb3#
      • 1...exd4 ep
        • 2.Qxf3#
      • 1...c3
        • 2.Qxb3#
      • 1...e3
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 12
  • Sets
    • Q(a);CHECK::R(H)+K(G),XQ(a)
    • Q(a);::R(H)+K(G)
    • R(c);::R(H)+K(G)
    • R(d);N_GUARD::S(E),XP(h)
    • P(f);OGATEB::QAB(A),XR(c)
  • Actual
    • P(D);
    • Threat
      • R(H)+K(G)
    • Vars
      • Q(a);OGATE,P_SPINQ(a),XP(D)::QAR1(A),XQ(a)
      • P(f);EP,OGATEB,P_SPINP(f),XP(D)::QAB(A),XR(c)
      • P(g);EP,OGATEB,P_SPINP(g),XP(D)::QAB(A),XR(d)
      • P(f);OGATEB::QAB(A),XR(c)
      • P(g);S_CUTB(b),S_CUTR(d)::S(E),XP(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).