MESON Chess Problem Database

Problem Display
PID: 58097 (n7/n2B4/3p1P2/3kP3/3P4/1K6/2Q2Bb1/8 w - - 0 1)

Samotugov, Evgeny S

Veliky, Mikola Moiseyovich

Torre & Cavallo - Scacco!, 2001

n7/n2B4/3p1P2/3kP3/3P4/1K6/2Q2Bb1/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qc4#
    • 1...Sb5
      • 2.Qc6#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sc8
      • 2.Qc6#
  • Tries
    • 1.Bf5?
      • threat
        • 2.Qc4#
      • 1...dxe5
        • 2.Qc5#
      • 1...Bf1
        • 2.Qe4#
      • 1...Sb6!
    • 1.e6?
      • threat
        • 2.Qf5#
      • 1...Be4
        • 2.Qc4#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Bh3!
  • Keys
    • 1.Qf5!
      • threat
        • 2.e6#
      • 1...dxe5
        • 2.Qxe5#
      • 1...Bh3
        • 2.Qf3#
      • 1...Be4
        • 2.Qe6#
      • 1...Sc6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK::QAB1(A)
    • S(d);N_GUARD::QAB1(A)
    • S(d);N_GUARD::QAB1(A),XS(d)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAB1(A)
      • Vars
        • P(c);N_GUARD,XP(E)::QAR1(A)
        • B(a);N_GUARD::QAB1(A)
      • Refutation
        • S(e);
    • Try
      • P(E);
      • Threat
        • QAR2(A)
      • Vars
        • B(a);SBLOCK::QAB1(A)
        • S(d);N_GUARD::QAB1(A),XS(d)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Threat
      • QAR(A)+P(E)
    • Vars
      • P(c);OGATE,P_SPINP(c),XP(E)::QAR1(A),XP(c)
      • B(a);N_GUARD::QAB(A)
      • B(a);SBLOCK::QAB1(A)
      • S(d);SBLOCK::B(G)
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).