MESON Chess Problem Database

Problem Display
PID: 187961 (3nK3/1p3p1b/rp2p3/3k4/1B3Q2/2R5/2P5/8 w - - 0 1)

Gold, Samuel

Pesti Naplo, 1910

3nK3/1p3p1b/rp2p3/3k4/1B3Q2/2R5/2P5/8

#2

5 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qd6#
    • 1...b5
      • 2.Rc5#
    • 1...e5
      • 2.Qc4#
  • Tries
    • 1.Rd3+?
      • 1...Kc6
        • 2.Qc4#
      • 1...Bxd3!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rd6#
      • 1...Kxc6
        • 2.Qc4#
      • 1...Sxc6
        • 2.c4#
      • 1...bxc6
        • 2.c4#
      • 1...Be4
        • 2.Qd6#
      • 1...b5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(g);SBLOCK::QAR1(D)
    • P(c);N_GUARD::R1(B)
    • P(d);SBLOCK::QAB1(D)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • B(g);XR(B)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAR2(D)
      • S(h);SBLOCK,XR(B)::P(A)
      • P(e);SBLOCK,XR(B)::P(A)
      • B(g);SBLOCK::QAR1(D)
      • P(c);N_GUARD::R1(B)
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).