MESON Chess Problem Database

Problem Display
PID: 121140 (1K6/3p4/1Rb2N2/P1kp1P2/3R1P1B/1p1p1N2/1P6/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 0000

1K6/3p4/1Rb2N2/P1kp1P2/3R1P1B/1p1p1N2/1P6/8

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Se4#
    • 1...Bb7
      • 2.Sxd7#
    • 1...Ba8
      • 2.Sxd7#
  • Tries
    • 1.Sxd7+?
      • 1...Bxd7
        • 2.Be7#
      • 1...Kd6!
    • 1.Be1?
      • threat
        • 2.Bb4#
      • 1...Kd6
        • 2.Bb4#
      • 1...d2!
    • 1.Rxd5+?
      • 1...Kc4
        • 2.Sd2#
        • 2.Se5#
      • 1...Bxd5!
  • Keys
    • 1.Sd2!
      • 1...Kxd4
        • 2.Bf2#
      • 1...Kd6
        • 2.Sfe4#
      • 1...Ba4
        • 2.Rxd5#
      • 1...Bb5
        • 2.Sxb3#
      • 1...Bb7
        • 2.Sxb3#
      • 1...Ba8
        • 2.Sxb3#
      • 1...d6
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINB(e),P_SPINP(d),S_FLIGHT::S(I)
    • B(e);N_GUARD::S(I),XP(f)
  • Tries
    • Try
      • S(I);CHECK,XP(f)
      • Vars
        • B(e);XS(I)::B(E)
      • Refutation
        • K(c);P_SPINB(e),P_SPINP(d),S_FLIGHT
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • K(c);P_SPINB(e),P_SPINP(d),S_FLIGHT::B(E)
      • Refutation
        • P(b);
    • Try
      • R(C);CHECK,XP(d)
      • Refutation
        • B(e);XR(C)
  • Actual
    • S(B);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::B(E)
      • K(c);P_SPINB(e),P_SPINP(d),S_FLIGHT::S(I)
      • B(e);N_GUARD::R1(C),XP(d)
      • B(e);::S(B),XP(a)
      • P(f);SBLOCK::S(B),XP(a)
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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).