MESON Chess Problem Database

Problem Display
PID: 122764 (8/Q2Kp3/1PppP2p/P5nR/3kP1p1/6P1/3NB3/3NB3 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 0000

8/Q2Kp3/1PppP2p/P5nR/3kP1p1/6P1/3NB3/3NB3

#2

12 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb3#
    • 1...Sf3
      • 2.Bf2#
    • 1...Sxe4
      • 2.Sb3#
    • 1...Sxe6
      • 2.Bf2#
    • 1...Sf7
      • 2.Bf2#
    • 1...Sh7
      • 2.Bf2#
  • Tries
    • 1.Qa8?
      • 1...Kc5
        • 2.Sb3#
      • 1...Ke5
        • 2.Qh8#
      • 1...Sxe4
        • 2.Sb3#
      • 1...Sxe6
        • 2.Bf2#
      • 1...Sh3
        • 2.Qh8#
      • 1...Sf3
        • 2.Bf2#
      • 1...Sf7
        • 2.Bf2#
      • 1...Sh7
        • 2.Bf2#
      • 1...c5
        • 2.Qd5#
        • 2.Qh8#
      • 1...d5!
  • Keys
    • 1.Qb8!
      • 1...Kc5
        • 2.Sb3#
      • 1...Ke5
        • 2.Qh8#
      • 1...Sxe4
        • 2.Sb3#
      • 1...Sxe6
        • 2.Bf2#
      • 1...Sh3
        • 2.Qh8#
      • 1...Sf3
        • 2.Bf2#
      • 1...Sf7
        • 2.Bf2#
      • 1...Sh7
        • 2.Bf2#
      • 1...c5
        • 2.Qh8#
      • 1...d5
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINS(c),S_FLIGHT::S(C)
    • S(c);::B(B)
    • S(c);SBLOCK,XP(F)::S(C)
    • S(c);XP(J)::B(B)
  • Tries
    • Try
      • Q(K);
      • Vars
        • K(a);P_SPINS(c),S_FLIGHT::S(C)
        • K(a);P_SPINS(c),S_FLIGHT::QAB(K)
        • S(c);SBLOCK,XP(F)::S(C)
        • S(c);XP(J)::B(B)
        • S(c);::QAB(K)
        • S(c);::B(B)
      • Refutation
        • P(e);
  • Actual
    • Q(K);
    • Vars
      • K(a);P_SPINS(c),S_FLIGHT::S(C)
      • K(a);P_SPINP(e),P_SPINS(c),S_FLIGHT::QAB(K)
      • S(c);SBLOCK,XP(F)::S(C)
      • S(c);XP(J)::B(B)
      • S(c);::QAB(K)
      • S(c);::B(B)
      • P(d);SBLOCK::QAB(K)
      • P(e);::B(B)
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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).