MESON Chess Problem Database

Problem Display
PID: 251005 (8/3b3Q/2q2b2/6pB/2N3P1/2pPPk1p/5B2/5K2 w - - 0 1)

Labai, Zoltan

Zamanov, Vidadi

64 Shakhmatnoe obozrenie, 2021

8/3b3Q/2q2b2/6pB/2N3P1/2pPPk1p/5B2/5K2

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Qe4#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qb5
      • 2.Qe4#
    • 1...Qc5
      • 2.Qe4#
    • 1...Qa6
      • 2.Qe4#
    • 1...Qb6
      • 2.Qe4#
    • 1...Qd6
      • 2.Qe4#
    • 1...Qc7
      • 2.Qe4#
    • 1...Qc8
      • 2.Qe4#
    • 1...Be5
      • 2.Sxe5#
    • 1...Be7
      • 2.Se5#
    • 1...Bd8
      • 2.Se5#
    • 1...Bxg4
      • 2.Qf5#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Be8
      • 2.Qf5#
    • 1...c2
      • 2.Sd2#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Qxh3#
      • 1...Kxg4
        • 2.Bh5#
      • 1...Qd6
        • 2.Qe4#
      • 1...Qc7
        • 2.Qe4#
      • 1...Be5
        • 2.Sxe5#
      • 1...h2
        • 2.Qh3#
      • 1...Bxg4!
  • Keys
    • 1.Be8!
      • threat
        • 2.Qxh3#
      • 1...Kxg4
        • 2.Bh5#
      • 1...Bxg4
        • 2.Bxc6#
      • 1...Qd6
        • 2.Qe4#
      • 1...Qc7
        • 2.Qe4#
      • 1...Be5
        • 2.Sxe5#
      • 1...h2
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(e);N_GUARD::QAB1(H)
    • Q(e);N_GUARD::QAB1(H),XQ(e)
    • B(f);N_GUARD::S(E),XB(f)
    • B(f);N_GUARD::S(E)
    • B(g);N_GUARD,P_SPINB(g),XP(F)::QAR2(H)
    • B(g);N_GUARD::QAR2(H),XB(g)
    • B(g);N_GUARD::QAR2(H)
    • P(a);N_GUARD::S(E)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAR2(H),XP(c)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::B(G)
        • Q(e);N_GUARD::QAB1(H)
        • B(f);N_GUARD::S(E),XB(f)
        • P(c);::QAR2(H)
      • Refutation
        • B(g);XP(F)
  • Actual
    • B(G);
    • Threat
      • QAR2(H),XP(c)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XP(F)::B(G)
      • B(g);OGATE,SBLOCK,XP(F)::B(G),XQ(e)
      • Q(e);N_GUARD::QAB1(H)
      • B(f);N_GUARD::S(E),XB(f)
      • P(c);::QAR2(H)
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).