MESON Chess Problem Database

Problem Display
PID: 59938 (5B1b/K2P4/8/1pN4R/1kq3R1/pN6/b1BPpr2/4Q3 w - - 0 1)

Henriksen, Thorleif Cammillo

6th Highly Comm., Brisbane Courier, 1925

5B1b/K2P4/8/1pN4R/1kq3R1/pN6/b1BPpr2/4Q3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.d3#
    • 1...Rf6
      • 2.d3#
    • 1...Bc3
      • 2.dxc3#
  • Tries
    • 1.Rxc4+?
      • 1...Kxc4
        • 2.d3#
      • 1...bxc4!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sc6#
      • 1...Kxa5
        • 2.Sb7#
      • 1...Qxg4
        • 2.d4#
      • 1...Qd4
        • 2.d3#
      • 1...Qe4
        • 2.d4#
      • 1...Qf4
        • 2.Scb7#
      • 1...Rf6
        • 2.d3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(f);P_PINS(F),S_CUTB(h)::QAB(A)+P(C)
    • R(c);S_CUTB(h)::QAB(A)+P(C)
    • B(h);OGATE::P(C),XB(h)
  • Tries
    • Try
      • R(E);CHECK,XQ(f)
      • Vars
        • K(e);P-FLIGHT,XR(E)::P(C)
      • Refutation
        • P(g);XR(E)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(e);N_SPINQ(f),S_FLIGHT,XS(D)::S(F)
      • Q(f);N_GUARD,N_SPINQ(f),XR(E)::QAB(A)+P(C)
      • Q(f);P_PINS(F),S_CUTB(h)::QAB(A)+P(C)
      • Q(f);N_GUARD::QAB(A)+P(C)
      • Q(f);S_CUTR(c)::B(J)+S(F)
      • R(c);S_CUTB(h)::QAB(A)+P(C)
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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).