MESON Chess Problem Database

Problem Display
PID: 256878 (4b2B/q1p1Q2K/1b3Pp1/p7/R7/8/B7/k2N4 w - - 0 1)

Kipping, Cyril Stanley

British Chess Magazine, 1933

4b2B/q1p1Q2K/1b3Pp1/p7/R7/8/B7/k2N4

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.f7#
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qc1#
        • 2.Qb2#
        • 2.Qc3#
      • 1...c5+
        • 2.f7#
      • 1...Bxa4
        • 2.Qb2#
      • 1...Be3
        • 2.Qb2#
        • 2.Qc3#
      • 1...Bd4
        • 2.Qc1#
      • 1...c6+!
    • 1.Qb4?
      • threat
        • 2.Qc3#
        • 2.Qb1#
        • 2.Qb2#
      • 1...c5+
        • 2.f7#
      • 1...c6+
        • 2.Bf7#
      • 1...Bxa4
        • 2.Qb1#
        • 2.Qb2#
      • 1...Bd4
        • 2.Qb1#
      • 1...axb4!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qb1#
      • 1...c5+
        • 2.f7#
      • 1...c6+
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(f);P_PINQ(E),S_CUTB(c)::B(G)+P(D)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);CHECK,S_CUTB(c)::B(G)+P(D)
        • B(g);XR(C)::QAB1(E)
        • B(c);::QAR2(E)
      • Refutation
        • P(f);CHECK
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);CHECK,S_CUTB(c)::B(G)+P(D)
        • P(f);CHECK,S_CUTB(g)::R(C)+B(B)
        • B(c);::QAR1(E)
      • Refutation
        • P(b);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • P(f);CHECK,S_CUTB(c)::B(G)+P(D)
      • P(f);CHECK,S_CUTB(g)::R(C)+B(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).