MESON Chess Problem Database

Problem Display
PID: 66248 (1b1B4/6pp/1Q2N3/3pk3/2p5/6N1/6K1/8 w - - 0 1)

Andrews, JT

1st Prize=, The Schoolmaster, 1896

1b1B4/6pp/1Q2N3/3pk3/2p5/6N1/6K1/8

#2

5 + 6

58 Tijdschrift vd NSB 1896

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Qe3#
  • Tries
    • 1.Sxg7?
      • threat
        • 2.Qf6#
      • 1...Kf4
        • 2.Qd4#
      • 1...Bd6
        • 2.Qe3#
      • 1...d4!
    • 1.Be7?
      • threat
        • 2.Qe3#
      • 1...Ba7
        • 2.Qd6#
      • 1...d4!
    • 1.Qc7+?
      • 1...Kxe6
        • 2.Qe7#
      • 1...Bxc7!
  • Keys
    • 1.Sf4!
      • 1...Kxf4
        • 2.Qd4#
      • 1...Ba7
        • 2.Bc7#
      • 1...Bd6
        • 2.Qe3#
      • 1...Bc7
        • 2.Bxc7#
      • 1...c3
        • 2.Sd3#
      • 1...d4
        • 2.Qxb8#
      • 1...g5
        • 2.Qf6#
      • 1...g6
        • 2.Qf6#
      • 1...h5
        • 2.Sg6#
      • 1...h6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(f);SBLOCK::QAR2(C)
  • Tries
    • Try
      • S(D);XP(d)
      • Threat
        • QAB1(C)
      • Vars
        • K(c);S_FLIGHT::QAR2(C)
        • B(f);SBLOCK::QAR2(C)
      • Refutation
        • P(b);
    • Try
      • B(E);
      • Threat
        • QAR2(C)
      • Vars
        • B(f);N_GUARD::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATEB,P-FLIGHT,XS(D)::QAR1(C)
      • Refutation
        • B(f);XQ(C)
  • Actual
    • S(D);
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR2(C)
      • B(f);N_GUARD::B(E)
      • B(f);SBLOCK::QAR2(C)
      • B(f);N_GUARD::B(E),XB(f)
      • P(a);N_GUARD::S(D)
      • P(b);SBLOCK::QAB(C),XB(f)
      • P(d);N_GUARD::QAB1(C)
      • P(e);N_GUARD::S(D)
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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).