MESON Chess Problem Database

Problem Display
PID: 189582 (1r2n3/b1p1K3/2p5/2k5/4P3/P2Bp3/7Q/4B3 w - - 0 1)

Gold, Zsigmund

Magyar Sakkvilag, 1911

1r2n3/b1p1K3/2p5/2k5/4P3/P2Bp3/7Q/4B3

#2

6 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Qe5#
    • 1...Bb6
      • 2.Qe5#
    • 1...e2
      • 2.Bf2#
      • 2.Qg1#
      • 2.Qf2#
  • Tries
    • 1.Qc2+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kb6!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qxe3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kb6
        • 2.Qb4#
      • 1...exd2
        • 2.Bf2#
      • 1...Rb4
        • 2.Qxb4#
      • 1...Rd8
        • 2.Qb4#
      • 1...e2
        • 2.Bf2#
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(f);SBLOCK::QAR2(B)
    • B(d);SBLOCK::QAR2(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(a)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::QAR2(B)
      • P(a);OGATEB,XQ(B)::B(A)
      • R(f);N_GUARD::QAB1(B),XR(f)
      • R(f);N_GUARD::QAB1(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).