MESON Chess Problem Database

Problem Display
PID: 55498 (3R4/1p4K1/1N2p3/4k3/2BNn3/6P1/7B/3R4 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2004

3R4/1p4K1/1N2p3/4k3/2BNn3/6P1/7B/3R4

#2

8 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Bd5?
      • threat
        • 2.Sc4#
      • 1...Sxg3
        • 2.Bxg3#
      • 1...exd5
        • 2.Rxd5#
      • 1...Sd6
        • 2.g4#
      • 1...Sd2!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Sc4#
      • 1...Sxg3
        • 2.Bxg3#
      • 1...Sd6
        • 2.Sf3#
      • 1...Sd2
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • S(F)
      • Vars
        • S(a);OGATE,P_SPINS(a),XP(C)::B(B),XS(a)
        • P(c);OGATE,XB(D)::R1(H),XP(c)
        • S(a);N_GUARD::B(B)+P(C)
      • Refutation
        • S(a);
  • Actual
    • B(D);
    • Threat
      • S(F)
    • Vars
      • S(a);OGATE,P_SPINS(a),XP(C)::B(B),XS(a)
      • S(a);::S(E)
      • S(a);N_GUARD::B(B)+P(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).