MESON Chess Problem Database

Problem Display
PID: 190010 (8/2p1Q3/2p5/3k4/4N3/4p3/2K1B3/8 w - - 0 1)

Rosenblatt, Paul

Source?, 1913

8/2p1Q3/2p5/3k4/4N3/4p3/2K1B3/8

#2

4 + 4

6490 yacpdb 2019
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4+?
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kd4!
  • Keys
    • 1.Qf6!
      • 1...Kxe4
        • 2.Bf3#
      • 1...c5
        • 2.Sc3#

This anticipates 176024(1942)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT,XB(B)::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(C)::B(B)
      • P(c);SBLOCK::S(C)
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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).