MESON Chess Problem Database

Problem Display
PID: 229230 (3K2B1/p5p1/r1pk4/1p6/5P1p/1P1qB1b1/1n1R2Rp/Q2bn3 w - - 0 1)

Braun, Bella

Ujsag, 1926

3K2B1/p5p1/r1pk4/1p6/5P1p/1P1qB1b1/1n1R2Rp/Q2bn3

#2

8 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Rg6#
    • 1...Sa4
      • 2.Qe5#
    • 1...c5
      • 2.Qxa6#
  • Tries
    • 1.Rxd3+?
      • 1...Sbxd3
        • 2.Qd4#
      • 1...Sexd3!
  • Keys
    • 1.b4!
      • threat
        • 2.Bc5#
      • 1...Bxf4
        • 2.Bxf4#
      • 1...c5
        • 2.Qxa6#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Bf2
        • 2.Rg6#
      • 1...Sa4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE::R(C)
    • S(c);OGATE::QAB1(A)
    • P(j);OGATEB::QAR(A),XR(i)
  • Tries
    • Try
      • R(B);CHECK,XQ(e)
      • Vars
        • S(c);OGATE,XR(B)::QAR2(A)
      • Refutation
        • S(b);XR(B)
  • Actual
    • P(D);
    • Threat
      • B(E)
    • Vars
      • B(f);OGATE,XP(F)::B(E),XB(f)
      • P(j);OGATEB::QAR(A),XR(i)
      • Q(e);OGATE::R(B),XQ(e)
      • B(f);OGATE::R(C)
      • S(c);OGATE::QAB1(A)
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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).