MESON Chess Problem Database

Problem Display
PID: 4682 (5B2/1Q6/4N1kp/8/2B5/7K/8/8 w - - 0 1)

Slater, George James

Nuova Rivista degli Scacchi, 1886

5B2/1Q6/4N1kp/8/2B5/7K/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kh5
      • 2.Qf7#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Qg7#
      • 1...Kf6
        • 2.Qg7#
      • 1...h5+!
    • 1.Bd3+?
      • 1...Kh5
        • 2.Qf3#
        • 2.Qd5#
        • 2.Qb5#
        • 2.Qf7#
      • 1...Kf6!
    • 1.Qe7?
      • 1...Kh5
        • 2.Sf4#
        • 2.Qf7#
        • 2.Qe8#
      • 1...h5
        • 2.Bd3#
      • 1...Kf5!
    • 1.Qg7+?
      • 1...Kh5
        • 2.Sf4#
        • 2.Be2#
        • 2.Qxh6#
        • 2.Qg4#
        • 2.Qf7#
      • 1...Kf5!
  • Keys
    • 1.Bg7!
      • 1...Kf5
        • 2.Qb1#
      • 1...Kh5
        • 2.Qf7#
      • 1...Kh7
        • 2.Sf8#
      • 1...h5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(D)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(D)
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • P(b);CHECK
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(b);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::QAB(D)
      • K(a);S_FLIGHT::S(C)
      • P(b);SBLOCK::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).