MESON Chess Problem Database

Problem Display
PID: 224701 (3R4/B2B3p/3N2N1/1Kb4r/3kn3/2p3Qb/3q2p1/3R4 w - - 0 1)

Savage, DF

The Sunny South, 1888

3R4/B2B3p/3N2N1/1Kb4r/3kn3/2p3Qb/3q2p1/3R4

#2

8 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3+
      • 2.Rxd3#
      • 2.Qxd3#
  • Keys
    • 1.Bf5!
      • threat
        • 2.Sxe4#
      • 1...Qd3+
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Sxd6+
        • 2.Rxd6#
      • 1...Kd5
        • 2.Qe5#
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Bxf5
        • 2.Sxf5#
      • 1...Sxg3
        • 2.Sc4#
      • 1...Sf2
        • 2.Sc4#
        • 2.Se4#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
        • 2.Qe5#
      • 1...Sg5
        • 2.Sc4#
        • 2.Se4#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(G);
    • Threat
      • R(H)+S(D),XS(f)
    • Vars
      • S(f);CHECK,OGATE,P_SPINS(f),XS(D)::R(H),XS(f)
      • K(e);N_SPINB(g),P-FLIGHT::QAR1(B)
      • R(h);XB(G)::R(H)+S(D),DCHECK,XR(h)
      • B(d);XB(G)::R(H)+S(D),DCHECK,XB(d)
      • S(f);N_GUARD,XQ(B)::R(H)+S(D)
      • S(f);::QAB1(B)
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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).