MESON Chess Problem Database

Problem Display
PID: 60696 (5B2/2n5/R1P2p2/r2k3K/1P2RP2/p2B3p/b1PQP2r/8 w - - 0 1)

Lindeberg, Martin F

Schackvarlden, 1929

5B2/2n5/R1P2p2/r2k3K/1P2RP2/p2B3p/b1PQP2r/8

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.c4#
  • Tries
    • 1.Re5+?
      • 1...Kd4
        • 2.Bb5#
        • 2.c3#
        • 2.e3#
      • 1...fxe5!
  • Keys
    • 1.Re7!
      • threat
        • 2.Bb5#
      • 1...Kd4+
        • 2.Bb5#
      • 1...Kd6+
        • 2.Re5#
      • 1...Rxe2
        • 2.Bxe2#
      • 1...Rb5
        • 2.Bxb5#
      • 1...Bc4
        • 2.Be4#
      • 1...Sb5
        • 2.Bxb5#
      • 1...Se6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::P(A)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • P(g);XR(F)
  • Actual
    • R(F);
    • Threat
      • QAR(B)+B(D)
    • Vars
      • K(f);CHECK,P-FLIGHT::QAR(B)+B(D)
      • K(f);CHECK,P-FLIGHT::B(K)+R(F)
      • R(b);OGATE,XP(C)::QAR(B)+B(D),XR(b)
      • R(e);::QAR(B)+B(D),XR(e)
      • B(a);SBLOCK::QAR(B)+B(D),DCHECK
      • S(h);::QAR(B)+B(D),XS(h)
      • S(h);SBLOCK::R(F)
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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).