MESON Chess Problem Database

Problem Display
PID: 115783 (8/7B/8/8/2Kb4/pN6/rk1P3R/rN6 w - - 0 1)

Faria, Oswaldo

Boletim da UBP, 1962

8/7B/8/8/2Kb4/pN6/rk1P3R/rN6

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.dxc3#
    • 1...Be3
      • 2.dxe3#
    • 1...Bc5
      • 2.d4#
    • 1...Bb6
      • 2.d4#
    • 1...Bf6
      • 2.d4#
    • 1...Ba7
      • 2.d4#
    • 1...Bg7
      • 2.d4#
    • 1...Bh8
      • 2.d4#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sa4#
      • 1...Bxc3
        • 2.dxc3#
      • 1...Rc1!
  • Keys
    • 1.Re2!
      • 1...Rxb1
        • 2.d3#
      • 1...Bg1
        • 2.d4#
      • 1...Bf2
        • 2.d4#
      • 1...Bc3
        • 2.dxc3#
      • 1...Be3
        • 2.dxe3#
      • 1...Bc5
        • 2.d4#
      • 1...Be5
        • 2.d4#
      • 1...Bb6
        • 2.d4#
      • 1...Bf6
        • 2.d4#
      • 1...Ba7
        • 2.d4#
      • 1...Bg7
        • 2.d4#
      • 1...Bh8
        • 2.d4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE::R(C)+P(B),XB(e)
    • B(e);OGATE::R(C)+P(B)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • B(e);OGATE,XS(A)::R(C)+P(B),XB(e)
      • Refutation
        • R(a);P_PINS(A)
  • Actual
    • R(C);
    • Vars
      • R(a);SBLOCK,XS(A)::R(C)+P(B)
      • B(e);OGATE::R(C)+P(B)
      • B(e);OGATE::R(C)+P(B),XB(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).