MESON Chess Problem Database

Problem Display
PID: 60145 (4R3/2k5/PN6/P3Kb2/3Np3/2q5/5r2/2Q1b3 w - - 0 1)

Giese, Ernst

Highly Comm., Brisbane Courier, 1928

4R3/2k5/PN6/P3Kb2/3Np3/2q5/5r2/2Q1b3

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qc5+
      • 2.Qxc5#
    • 1...Qc6
      • 2.Sb5#
      • 2.Qxc6#
    • 1...Rd2
      • 2.Qxc3#
    • 1...Bg6
      • 2.Rc8#
    • 1...Bd7
      • 2.Sd5#
      • 2.Sa8#
    • 1...Bh7
      • 2.Rc8#
    • 1...Bc8
      • 2.Rxc8#
  • Keys
    • 1.Kd5!
      • threat
        • 2.Sb5#
      • 1...Qc4+
        • 2.Qxc4#
      • 1...Qc5+
        • 2.Qxc5#
      • 1...Qc6+
        • 2.Qxc6#
      • 1...Be6+
        • 2.Sxe6#
      • 1...Bc8
        • 2.Rxc8#
      • 1...Rb2
        • 2.Qf4#
      • 1...Rd2
        • 2.Qxc3#
      • 1...Bd7
        • 2.Sa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_PINS(B),OGATE::QAR(A),XQ(c)
    • Q(c);CHECK,N_PINS(B),OGATE::QAR2(A),XQ(c)
    • R(b);S_CUTB(a)::QAR(A),XQ(c)
    • B(e);N_GUARD::R1(G)
    • B(e);N_GUARD::R1(G),XB(e)
  • Actual
    • K(D);N_SPINS(B),P-FLIGHT
    • Threat
      • S(B)
    • Vars
      • Q(c);CHECK,OGATE::QAR(A),XQ(c)
      • Q(c);CHECK,OGATE::QAR2(A),XQ(c)
      • Q(c);CHECK,OGATE::QAR1(A),XQ(c)
      • B(e);CHECK,N_GUARD::S(B),XB(e)
      • B(e);N_GUARD::R1(G),XB(e)
      • R(b);N_GUARD::QAB(A)
      • R(b);P_PINS(B),S_CUTB(a)::QAR(A),XQ(c)
      • B(e);SBLOCK::S(F)
HTML5 logo

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).