MESON Chess Problem Database

Problem Display
PID: 194919 (8/5pN1/3P1r2/1K6/5R2/3pk3/4N3/4Q3 w - - 0 1)

Mari, Alberto

L'Eco degli Scacchi, 1918

8/5pN1/3P1r2/1K6/5R2/3pk3/4N3/4Q3

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5+
      • 2.Sxf5#
    • 1...Rxd6
      • 2.Sf5#
    • 1...Re6
      • 2.Sf5#
    • 1...Rg6
      • 2.Sf5#
    • 1...Rh6
      • 2.Sf5#
  • Keys
    • 1.Kc4!
      • 1...Rxf4+
        • 2.Sd4#
      • 1...Rxd6
        • 2.Sf5#
      • 1...dxe2
        • 2.Qc1#
      • 1...Rf5
        • 2.Sxf5#
      • 1...Re6
        • 2.Sf5#
      • 1...Rg6
        • 2.Sf5#
      • 1...Rh6
        • 2.Sf5#
      • 1...d2
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(c);CHECK,N_GUARD::S(F),XR(c)
    • R(c);N_GUARD,XP(E)::S(F)
    • R(c);N_GUARD::S(F)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • R(c);CHECK,SBLOCK,XR(C)::QAR(A)+S(B)
      • R(c);N_GUARD,XP(E)::S(F)
      • P(a);N_GUARD,P_SPINP(a),SBLOCK,XS(B)::QAB(A)
      • R(c);N_GUARD::S(F),XR(c)
      • R(c);N_GUARD::S(F)
      • P(a);SBLOCK::QAB1(A)
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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).