MESON Chess Problem Database

Problem Display
PID: 227474 (8/5k2/6p1/4R1B1/8/5B2/5Q2/1K6 w - - 0 1)

von Gottschall, Hermann

Streifzuge durch des Gebeit des Schachproblems, 1926

8/5k2/6p1/4R1B1/8/5B2/5Q2/1K6

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Re7+?
      • 1...Kf8
        • 2.Bd5#
      • 1...Kg8!
    • 1.Qa7+?
      • 1...Kg8
        • 2.Re8#
      • 1...Kf8!
    • 1.Qa2+?
      • 1...Kf8
        • 2.Bh6#
      • 1...Kg7!
  • Keys
    • 1.Re8!
      • 1...Kg7
        • 2.Qa7#
      • 1...Kxe8
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR(B)+B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::B(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);P-FLIGHT::QAR(B)
      • K(b);S_FLIGHT,XR(D)::B(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).