MESON Chess Problem Database

Problem Display
PID: 107955 (2N1K3/1p1N2p1/1P3pP1/n2k1B1R/3P4/1pPp4/1P1P4/8 w - - 0 1)

Dalla Rosa, Pedro

Faria, Oswaldo

Boletim da UBP, 1984

2N1K3/1p1N2p1/1P3pP1/n2k1B1R/3P4/1pPp4/1P1P4/8

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Be6#
    • 1...Kc6
      • 2.Be4#
  • Tries
    • 1.Sxf6+?
      • 1...Kc4
        • 2.Sd6#
        • 2.Be6#
      • 1...Kc6
        • 2.Be4#
        • 2.Bd7#
      • 1...gxf6!
    • 1.Se7+?
      • 1...Kc4
        • 2.Be6#
      • 1...Kd6!
    • 1.Bxd3+?
      • 1...Kc6
        • 2.Sb8#
        • 2.Be4#
        • 2.Bb5#
        • 2.Rc5#
        • 2.d5#
      • 1...Ke6
        • 2.Sc5#
        • 2.Sf8#
        • 2.d5#
      • 1...f5!
    • 1.Be4+?
      • 1...Kc4
        • 2.Sd6#
        • 2.Rc5#
      • 1...Ke6
        • 2.Sc5#
        • 2.Sf8#
        • 2.Bd5#
        • 2.d5#
      • 1...Kxe4!
    • 1.Be6+?
      • 1...Kc6
        • 2.Sb8#
        • 2.Rc5#
      • 1...Kxe6
        • 2.Sc5#
        • 2.Sf8#
        • 2.d5#
      • 1...Ke4!
  • Keys
    • 1.Sc5!
      • 1...Kc4
        • 2.Bxd3#
      • 1...Kc6
        • 2.Bd7#
      • 1...Sc4
        • 2.Be4#
      • 1...Sc6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::B(E)
  • Tries
    • Try
      • S(I);CHECK,XP(e)
      • Refutation
        • P(g);XS(I)
    • Try
      • S(J);CHECK
      • Vars
        • K(d);S_FLIGHT::B(E)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • B(E);CHECK,XP(b)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • B(E);CHECK
      • Refutation
        • K(d);S_FLIGHT,XB(E)
    • Try
      • B(E);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(I);
    • Vars
      • K(d);S_FLIGHT::B(E),XP(b)
      • K(d);S_FLIGHT::B(E)
      • S(c);SBLOCK::R(F)+B(E),DCHECK
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).