MESON Chess Problem Database

Problem Display
PID: 173039 (8/b7/3RR3/2P3Pr/4N3/1pPPBNP1/2qPkPKp/1B1b3n w - - 0 1)

Maleika, Gerhard

Variantim, 1991

8/b7/3RR3/2P3Pr/4N3/1pPPBNP1/2qPkPKp/1B1b3n

#2

14 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Bxd3#
    • 1...Qxc3
      • 2.Sxc3#
    • 1...Sxg3
      • 2.Sxg3#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Bf4#
      • 1...Qxd3
        • 2.Bxd3#
      • 1...Qxd2
        • 2.Bxd2#
      • 1...Qxc3
        • 2.Bd4#
      • 1...Rxg5
        • 2.Bxg5#
      • 1...Bxc5
        • 2.Bxc5#
      • 1...Sxf2
        • 2.Bxf2#
      • 1...Sxg3!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sf6#
      • 1...Qxd3
        • 2.Bxd3#
      • 1...Qxd2
        • 2.Sexd2#
      • 1...Qxc3
        • 2.Sxc3#
      • 1...Rxg5
        • 2.Sexg5#
      • 1...Bxc5
        • 2.Sxc5#
      • 1...Sxf2
        • 2.Sxf2#
      • 1...Sxg3
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(c);OGATE,XP(F)::B(A),XQ(c)
    • Q(c);XP(E)::S(J),XQ(c)
    • S(b);XP(I)::S(J),XS(b)
  • Tries
    • Try
      • S(J);
      • Threat
        • R(N)+B(G)
      • Vars
        • Q(c);OGATE,XP(F)::B(A),XQ(c)
        • Q(c);OGATE,XP(B)::R(N)+B(G),XQ(c)
        • Q(c);XP(E)::R(N)+B(G)
        • R(g);OGATE,P_PINP(I),XP(L)::R(N)+B(G),XR(g)
        • B(h);OGATE,XP(K)::R(N)+B(G),XB(h)
        • S(b);OGATE,XP(C)::R(N)+B(G),XS(b)
      • Refutation
        • S(b);XP(I)
  • Actual
    • B(G);
    • Threat
      • R(N)+S(J)
    • Vars
      • Q(c);OGATE,XP(F)::B(A),XQ(c)
      • Q(c);XP(B)::R(N)+S(J),XQ(c)
      • Q(c);XP(E)::R(N)+S(J),DCHECK,XQ(c)
      • R(g);P_PINP(I),XP(L)::R(N)+S(J),XR(g)
      • B(h);XP(K)::R(N)+S(J),XB(h)
      • S(b);XP(C)::R(N)+S(J),XS(b)
      • S(b);XP(I)::R(N)+S(J),DCHECK,XS(b)
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).