MESON Chess Problem Database

Problem Display
PID: 47807 (2N5/3B4/7r/1PbkBp2/r6p/1N1P3K/2P5/Q7 w - - 0 1)

Savalle, Andre

Themes-64, 1957

2N5/3B4/7r/1PbkBp2/r6p/1N1P3K/2P5/Q7

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.c4#
    • 1...Ra3
      • 2.c4#
    • 1...Ra5
      • 2.c4#
    • 1...Raa6
      • 2.c4#
    • 1...Ra7
      • 2.c4#
    • 1...Ra8
      • 2.c4#
    • 1...Rd6
      • 2.Se7#
    • 1...Bg1
      • 2.Se7#
    • 1...Bf2
      • 2.Se7#
    • 1...Be3
      • 2.Se7#
    • 1...Bb4
      • 2.Qd4#
      • 2.c4#
    • 1...Bb6
      • 2.Se7#
    • 1...Bd6
      • 2.Sb6#
    • 1...Ba7
      • 2.Se7#
    • 1...Be7
      • 2.Sxe7#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Qe5#
      • 1...Rxa1
        • 2.c4#
      • 1...Rd4
        • 2.Qa8#
      • 1...Re4
        • 2.Qa8#
      • 1...Bd4
        • 2.Qh1#
      • 1...Bd6
        • 2.Sb6#
      • 1...Rxf6!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qe5#
      • 1...Rxa1
        • 2.c4#
      • 1...Rxd6
        • 2.Se7#
      • 1...Bxd6
        • 2.Sb6#
      • 1...Rd4
        • 2.Qa8#
      • 1...Re4
        • 2.Qa8#
      • 1...Re6
        • 2.Bc6#
      • 1...Bd4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 12
  • Sets
    • R(a);N_GUARD::P(B)
    • R(f);S_CUTB(c)::S(I)
    • B(c);N_GUARD::S(I)
    • B(c);N_GUARD,S_CUTR(f)::S(I)
    • B(c);N_GUARD::S(I),XB(c)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAR1(A)
      • Vars
        • R(a);N_GUARD,XQ(A)::P(B)
        • R(a);OGATE::QAB(A)
        • B(c);S_CUTR(a)::QAB(A)
        • B(c);N_GUARD,SBLOCK::S(I)
      • Refutation
        • R(f);XB(G)
  • Actual
    • B(G);
    • Threat
      • QAR1(A)
    • Vars
      • R(a);N_GUARD,XQ(A)::P(B)
      • R(f);SBLOCK,XB(G)::S(I)
      • B(c);N_GUARD,SBLOCK,XB(G)::S(I)
      • R(a);OGATE::QAB(A)
      • R(f);SBLOCK::B(H)
      • B(c);S_CUTR(a)::QAB(A)
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).