MESON Chess Problem Database

Problem Display
PID: 189860 (2b1B3/1p1p1p1p/pP2NPpN/P2k2P1/P2B1R1K/p6Q/P5P1/8 w - - 0 1)

Eginton, E

Birmingham Post, 1912

2b1B3/1p1p1p1p/pP2NPpN/P2k2P1/P2B1R1K/p6Q/P5P1/8

#2

14 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb3#
    • 1...d6
      • 2.Qb3#
  • Tries
    • 1.Sd8?
      • 1...Kc4
        • 2.Qb3#
      • 1...d6
        • 2.Qb3#
      • 1...Kd6!
  • Keys
    • 1.Qxa3!
      • 1...Kc4
        • 2.Qb3#
      • 1...Kc6
        • 2.Qc5#
      • 1...Kxe6
        • 2.Bxf7#
      • 1...dxe6
        • 2.Qc5#
      • 1...fxe6
        • 2.Qc5#
      • 1...d6
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(C)
    • P(f);SBLOCK::QAB(C)
  • Tries
    • Try
      • S(K);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(f);SBLOCK::QAB(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);XP(a)
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P_SPINP(f),S_FLIGHT::QAR1(C)
      • K(b);OGATEB,S_FLIGHT,XS(K)::B(N),XP(g)
      • P(f);SBLOCK,XS(K)::QAR1(C)
      • P(g);SBLOCK,XS(K)::QAR1(C)
      • P(f);SBLOCK::QAB(C)
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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).