MESON Chess Problem Database

Problem Display
PID: 252105 (b4B2/8/1Np1R1N1/8/3k2K1/1P3p2/2pPP3/4n2B w - - 0 1)

Bantysh, Nikolai Ivanovich

Zadachi i Etyudi, 2004

b4B2/8/1Np1R1N1/8/3k2K1/1P3p2/2pPP3/4n2B

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.e3#
    • 1...f2
      • 2.Re4#
    • 1...c5
      • 2.Bg7#
  • Tries
    • 1.Kf5?
      • threat
        • 2.Re4#
      • 1...c5
        • 2.Bg7#
      • 1...fxe2!
    • 1.Sf4?
      • threat
        • 2.e3#
      • 1...fxe2
        • 2.Re4#
      • 1...Sg2!
    • 1.Bxf3?
      • threat
        • 2.Re4#
      • 1...c5
        • 2.Bg7#
      • 1...Sxf3!
  • Keys
    • 1.b4!
      • threat
        • 2.Bc5#
        • 2.Bg7#
      • 1...fxe2
        • 2.Rd6#
      • 1...c1Q
        • 2.Bg7#
      • 1...c1R
        • 2.Bg7#
      • 1...Sd3
        • 2.e3#
      • 1...c5
        • 2.Bxc5#
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(a);SBLOCK::P(C)
    • P(c);::R1(G)
    • P(e);SBLOCK::B(I)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • R1(G)
      • Vars
        • P(e);SBLOCK::B(I)
      • Refutation
        • P(c);XP(C)
    • Try
      • S(H);
      • Threat
        • P(C)
      • Vars
        • P(c);XP(C)::R1(G)
      • Refutation
        • S(a);
    • Try
      • B(A);XP(c)
      • Threat
        • R1(G)
      • Vars
        • P(e);SBLOCK::B(I)
      • Refutation
        • S(a);XB(A)
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);XP(C)::R(G)
      • P(b);::B(I)
      • S(a);SBLOCK::P(C)
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).