MESON Chess Problem Database

Problem Display
PID: 108602 (k6r/1pB5/1P6/1pP5/1p2Q3/8/P2P3p/R3b2K w - - 0 1)

Kaseko, Dmitrij Grigorevich

Slovensky Dennik, 1994

k6r/1pB5/1P6/1pP5/1p2Q3/8/P2P3p/R3b2K

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Qe8#
    • 1...Rh4
      • 2.Qe8#
    • 1...Rh5
      • 2.Qe8#
    • 1...Rh6
      • 2.Qe8#
    • 1...Rh7
      • 2.Qe8#
    • 1...Re8
      • 2.Qxe8#
    • 1...b3
      • 2.axb3#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Qa3#
        • 2.Qa5#
      • 1...Rh3
        • 2.Qa5#
      • 1...Rh4
        • 2.Qa5#
      • 1...Bxd2!
    • 1.a3?
      • threat
        • 2.axb4#
      • 1...bxa3
        • 2.Rxa3#
      • 1...Rh3
        • 2.Qe8#
      • 1...b3!
    • 1.c6?
      • threat
        • 2.cxb7#
      • 1...bxc6
        • 2.Qxc6#
      • 1...Rb8!
  • Keys
    • 1.a4!
      • threat
        • 2.axb5#
      • 1...bxa4
        • 2.Rxa4#
      • 1...bxa4 ep
        • 2.Rxa3#
      • 1...Rh3
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(g);N_GUARD::QAR(E)
    • R(g);N_GUARD,SBLOCK::QAR(E)
    • R(g);N_GUARD::QAR(E),XR(g)
    • P(c);OGATE::R(A)+P(C),XP(c)
  • Tries
    • Try
      • Q(E);N_PINP(e),XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(g);::QAR(E)
      • Refutation
        • B(a);XP(D)
    • Try
      • P(C);
      • Threat
        • R(A)+P(C),XP(c)
      • Vars
        • P(c);N_SPINP(e),OGATE,P_SPINP(c),XP(C)::R(A),XP(c)
        • R(g);N_GUARD::QAR(E)
      • Refutation
        • P(c);
    • Try
      • P(F);N_PINP(e)
      • Threat
        • P(F),XP(e)
      • Vars
        • P(e);OGATE,P_SPINP(e),XP(F)::QAB(E),XP(e)
      • Refutation
        • R(g);
  • Actual
    • P(C);
    • Threat
      • R(A)+P(C),XP(d)
    • Vars
      • P(d);N_SPINP(e),OGATE,P_SPINP(d),XP(C)::R(A),XP(d)
      • P(c);EP,N_SPINP(e),OGATEB,P_SPINP(c),XP(C)::R(A),XP(c)
      • R(g);N_GUARD::QAR(E)
HTML5 logo

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).