MESON Chess Problem Database

Problem Display
PID: 99388 (2b5/6Q1/8/8/1p1Kp3/1B1p4/N2pkp1N/4r3 w - - 0 1)

Schenkerik, Csaba

Magyar Sakkelet, 1997

2b5/6Q1/8/8/1p1Kp3/1B1p4/N2pkp1N/4r3

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg4
      • 2.Qxg4#
    • 1...Ba6
      • 2.Qg4#
    • 1...Bb7
      • 2.Qg4#
    • 1...f1S
      • 2.Qg2#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qe3#
      • 1...d1S
        • 2.Sc1#
      • 1...e3
        • 2.Qxe3#
      • 1...f1S!
    • 1.Qg3?
      • threat
        • 2.Qe3#
      • 1...f1S
        • 2.Qg2#
      • 1...e3
        • 2.Qxe3#
        • 2.Qf3#
      • 1...d1S!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qe3#
      • 1...f1S
        • 2.Qg2#
      • 1...d1S
        • 2.Sc1#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(h);N_GUARD::QAB(E),XB(h)
    • B(h);N_GUARD::QAB(E)
    • P(d);OGATEB::QAR2(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • P(b);N_GUARD,S_CUTR(a)::S(A)
        • P(g);::QAR1(E),XP(g)
      • Refutation
        • P(d);
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • P(d);OGATEB::QAR2(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • P(d);OGATEB::QAR2(E)
      • P(b);N_GUARD,S_CUTR(a)::S(A)
      • P(g);::QAR1(E),XP(g)
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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).