MESON Chess Problem Database

Problem Display
PID: 195130 (8/3B1N2/4P1p1/Q4b1p/1P4kN/1K1p3p/7P/8 w - - 0 1)

Bauer, Arpad

Magyar Sakkvilag, 1918

8/3B1N2/4P1p1/Q4b1p/1P4kN/1K1p3p/7P/8

#2

8 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qg5#
  • Tries
    • 1.Qe5?
      • threat
        • 2.Qg3#
      • 1...Kxh4
        • 2.Qg3#
      • 1...Bxe6+!
    • 1.Qxf5+?
      • 1...Kxh4
        • 2.Qe4#
        • 2.Qf4#
        • 2.Qg5#
      • 1...gxf5!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qg3#
      • 1...Bxe6+
        • 2.Qc4#
      • 1...Kxh4
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(d);OGATE::QAR1(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • K(c);P-FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • B(d);CHECK,P_SPINB(d),XP(F)
    • Try
      • Q(E);CHECK,XB(d)
      • Refutation
        • P(f);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • B(d);CHECK,N_GUARD,P_SPINB(d),XP(F)::QAR(E)
      • K(c);P-FLIGHT,XS(D)::QAB1(E)
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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).