MESON Chess Problem Database

Problem Display
PID: 201642 (1Q6/8/2p2B2/1Bk2n1r/3nP2p/P1b4K/3N4/8 w - - 0 1)

Vesz, Tibor

Magyar Sakkvilag, 1922

1Q6/8/2p2B2/1Bk2n1r/3nP2p/P1b4K/3N4/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sb3#
    • 1...Se2
      • 2.Sb3#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sf3
      • 2.Sb3#
    • 1...Se6
      • 2.Sb3#
    • 1...Se3
      • 2.Be7#
    • 1...Sg3
      • 2.Be7#
    • 1...Sh6
      • 2.Be7#
    • 1...Se7
      • 2.Bxe7#
    • 1...Sg7
      • 2.Be7#
  • Tries
    • 1.Be7+?
      • 1...Sd6
        • 2.Bxd6#
      • 1...Sxe7!
  • Keys
    • 1.Bd8!
      • threat
        • 2.Qe5#
      • 1...Sxb5
        • 2.Bb6#
      • 1...cxb5
        • 2.Qb6#
      • 1...Sc2
        • 2.Sb3#
      • 1...Se2
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Sf3
        • 2.Sb3#
      • 1...Se6
        • 2.Sb3#
      • 1...Se3
        • 2.Be7#
      • 1...Sg3
        • 2.Be7#
      • 1...Sd6
        • 2.Qb6#
      • 1...Sh6
        • 2.Be7#
      • 1...Se7
        • 2.Bxe7#
      • 1...Sg7
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(e);N_GUARD::B(F)
    • S(e);N_GUARD::B(F),XS(e)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::B(F),XS(e)
      • Refutation
        • S(e);XB(F)
  • Actual
    • B(F);
    • Threat
      • QAR2(G)
    • Vars
      • S(b);SBLOCK,XB(E)::B(F)
      • P(g);XB(E)::QAB1(G)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
      • S(e);N_GUARD::B(F)
      • S(e);SBLOCK::QAB1(G)
      • S(e);N_GUARD::B(F),XS(e)
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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).