Problem Display
PID: 147072 (3Knb2/2p1p1pP/2P1k1Pp/4p3/4B3/3R1R2/8/8 w - - 0 1)

Petite, Efren

Australian Chess Problem Magazine, 1996

3Knb2/2p1p1pP/2P1k1Pp/4p3/4B3/3R1R2/8/8

#2

7 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Sd6
      • 2.Bd5#
    • 1...Sf6
      • 2.Bf5#
  • Tries
    • 1.Rd1?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.Rd2?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.Rd7?
      • threat
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...Sd6!
    • 1.Rf1?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.Rf2?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.Rf7?
      • threat
        • 2.Bf5#
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6!
    • 1.Rxf8?
      • threat
        • 2.Bf5#
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6!
    • 1.h8S?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.h8B?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
    • 1.h8R?
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#
      • 1...h5!
  • Keys
    • 1.h8Q!
      • threat
        • 2.Qg8#
      • 1...Sd6
        • 2.Bd5#
      • 1...Sf6
        • 2.Bf5#

There are these versions: 168403

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK::B(C)
  • Tries
    • Try
      • R(A);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Threat
        • B(C)
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • S(g);
    • Try
      • R(B);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Threat
        • B(C)
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • S(g);
    • Try
      • R(B);XB(h)
      • Threat
        • B(C)
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • S(g);
    • Try
      • P(F);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • P(F);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
    • Try
      • P(F);
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • P(c);
  • Actual
    • P(F);
    • Threat
      • QAB(F)
    • Vars
      • S(g);SBLOCK::B(C)


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).