MESON Chess Problem Database

Problem Display
PID: 207539 (8/2Q3K1/4P3/1B1kp3/1n2rPb1/4b3/1B6/8 w - - 0 1)

Gold, Ignaz

Wiener Salonblatt, 1872

8/2Q3K1/4P3/1B1kp3/1n2rPb1/4b3/1B6/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qd7#
    • 1...Rc4
      • 2.Qxe5#
    • 1...Rd4
      • 2.Qxe5#
    • 1...Rxf4
      • 2.Qxe5#
    • 1...Bd4
      • 2.Bc4#
    • 1...Sa2
      • 2.Qc6#
    • 1...Sc2
      • 2.Qc6#
    • 1...Sd3
      • 2.Qc6#
    • 1...Sa6
      • 2.Qc6#
    • 1...Sc6
      • 2.Qxc6#
  • Tries
    • 1.Qd8+?
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kc5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qd7#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Rxd4
        • 2.Qxe5#
      • 1...Rxf4
        • 2.Qxe5#
      • 1...Bxd4
        • 2.Bc4#
      • 1...Bxe6
        • 2.Qc5#
      • 1...exd4
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • K(e);S_FLIGHT,XP(D)::QAB1(E)
    • R(c);N_GUARD::QAR1(E),XP(f)
    • R(c);N_GUARD,XP(B)::QAR1(E),XP(f)
    • B(a);S_CUTR(c)::B(C)
    • S(b);N_GUARD::QAB1(E)
    • S(b);N_GUARD::QAB1(E),XS(b)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(e);S_FLIGHT,XP(D)::QAB1(E)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAR2(E)
    • Vars
      • K(e);P-FLIGHT,XB(A)::QAR1(E)
      • K(e);S_FLIGHT,XP(D)::QAB1(E)
      • R(c);N_GUARD,XB(A)::QAR1(E),XP(f)
      • R(c);N_GUARD,XP(B)::QAR1(E),XP(f)
      • B(a);SBLOCK,XB(A)::B(C)
      • B(d);SBLOCK,XP(D)::QAR1(E)
      • P(f);SBLOCK,XB(A)::B(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).