MESON Chess Problem Database

Problem Display
PID: 110596 (6Q1/8/6b1/4B1R1/3Pkn2/2R1p3/7N/1K6 w - - 0 1)

Szoghy, Jozsef

Pedagogusok Lapja, 1981

6Q1/8/6b1/4B1R1/3Pkn2/2R1p3/7N/1K6

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qa8#
    • 1...Sg2
      • 2.Qa8#
    • 1...Sd3
      • 2.Qa8#
    • 1...Sh3
      • 2.Qa8#
    • 1...Sd5
      • 2.Qxg6#
    • 1...Sh5
      • 2.Qa8#
    • 1...Se6
      • 2.Qa8#
  • Tries
    • 1.Qc4?
      • threat
        • 2.d5#
      • 1...Se2
        • 2.Qc6#
      • 1...Sd5
        • 2.Qd3#
      • 1...Se6
        • 2.Qc6#
      • 1...Bf5!
    • 1.Qxg6+?
      • 1...Kd5
        • 2.Bg7#
        • 2.Bh8#
        • 2.Rc5#
        • 2.Qc6#
      • 1...Sxg6!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Rxe3#
      • 1...Sg2
        • 2.Qb7#
      • 1...Sd3
        • 2.Qb7#
      • 1...Sd5
        • 2.Qc2#
      • 1...e2
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::QAB(G)
    • S(c);N_GUARD,SBLOCK::QAB(G),XB(d)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR(G)+P(D)
      • Vars
        • S(c);N_GUARD::QAB(G)
        • S(c);N_GUARD,SBLOCK::QAB1(G)
      • Refutation
        • B(d);
    • Try
      • Q(G);CHECK,XB(d)
      • Refutation
        • S(c);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • R1(C),XP(a)
    • Vars
      • S(c);N_GUARD::QAB(G)
      • S(c);N_GUARD,SBLOCK::QAB(G)
      • P(a);::R1(C)
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).