MESON Chess Problem Database

Problem Display
PID: 177905 (6B1/1K6/8/pkP1p3/1p6/7R/8/Q3B3 w - - 0 1)

Banny, Dimitry Nikolaevich

1st Comm., Sahs (Latvia), 1983

6B1/1K6/8/pkP1p3/1p6/7R/8/Q3B3

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qxe5#
    • 1...b3
      • 2.Qxa5#
  • Tries
    • 1.Rh5?
      • 1...Kxc5
        • 2.Qxe5#
      • 1...e4
        • 2.c6#
      • 1...b3
        • 2.Qxa5#
      • 1...a4!
    • 1.Qxe5?
      • 1...Ka4
        • 2.Qe8#
      • 1...a4
        • 2.c6#
      • 1...b3!
  • Keys
    • 1.c6!
      • 1...Kc5
        • 2.Qxe5#
      • 1...a4
        • 2.Qxe5#
      • 1...e4
        • 2.Rh5#
      • 1...b3
        • 2.Qxa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P-FLIGHT,XP(D)::QAR2(A),XP(d)
    • P(a);::QAR1(A),XP(b)
  • Tries
    • Try
      • R(C);
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINP(d),XP(D)::QAR2(A),XP(d)
        • P(d);::R(C)+P(D)
        • P(a);::QAR1(A),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(A);XP(d)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
        • P(b);SBLOCK::QAR(A)+P(D)
      • Refutation
        • P(a);
  • Actual
    • P(D);
    • Vars
      • K(c);P-FLIGHT::QAR2(A),XP(d)
      • P(b);SBLOCK::QAR(A),XP(d)
      • P(d);OGATEB::R(C)
      • P(a);::QAR1(A),XP(b)
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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).