MESON Chess Problem Database

Problem Display
PID: 186691 (r3k3/1p1p1R1K/p2p1pP1/R4N2/1P1qB2n/8/4Q3/8 w q - 0 1)

Bennell, EJ

Chess, 1960

r3k3/1p1p1R1K/p2p1pP1/R4N2/1P1qB2n/8/4Q3/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8
      • 2.Sg7#
  • Tries
    • 1.Re7+?
      • 1...Kf8
        • 2.g7#
      • 1...Kd8!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...0-0-0
        • 2.Qxb7#
      • 1...axb5
        • 2.Rxa8#
      • 1...Rd8
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(h);SBLOCK::S(E)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(i);P-FLIGHT::P(F)
      • Refutation
        • K(i);P-FLIGHT
  • Actual
    • Q(A);P_PINP(g)
    • Threat
      • QAB1(A),XP(g)
    • Vars
      • K(i);N_SPINP(g),P-FLIGHT::QAR1(A),XP(g)
      • K(i);0-0-0,N_SPINP(g),OGATEB::QAB1(A),XP(f)
      • P(c);N_SPINP(g),OGATE,XQ(A)::R(D),XR(h)
      • R(h);SBLOCK::S(E)
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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).