MESON Chess Problem Database

Problem Display
PID: 222398 (3N4/4pp2/5r2/2Ppk3/3R1nP1/8/2QK2p1/4n1N1 w - - 0 1)

Gold, Samuel

200 Schachaufgaben, 1883

3N4/4pp2/5r2/2Ppk3/3R1nP1/8/2QK2p1/4n1N1

#2

7 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc2
      • 2.Sf3#
    • 1...Sed3
      • 2.Sf3#
    • 1...Sf3+
      • 2.Sxf3#
    • 1...Se6
      • 2.Sc6#
    • 1...e6
      • 2.Sc6#
  • Keys
    • 1.Kc3!
      • 1...Se2+
        • 2.Qxe2#
      • 1...Sxc2
        • 2.Sf3#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Ra6
        • 2.Qf5#
      • 1...Rb6
        • 2.Qf5#
      • 1...Rc6
        • 2.Qf5#
      • 1...Rd6
        • 2.Qf5#
      • 1...Re6
        • 2.Qf5#
      • 1...Rg6
        • 2.Qf5#
      • 1...Rh6
        • 2.Qf5#
      • 1...Sed3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sfd3
        • 2.Qe2#
      • 1...Sh3
        • 2.Qe2#
      • 1...Sh5
        • 2.Qe2#
      • 1...Se6
        • 2.Sc6#
        • 2.Qe2#
      • 1...Sg6
        • 2.Qe2#
      • 1...e6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,XQ(B)::S(A)
    • S(a);N_GUARD::S(A)
    • S(a);CHECK,N_GUARD::S(A),XS(a)
    • S(c);SBLOCK,S_CUTR(f)::S(G)
    • P(g);SBLOCK,S_CUTR(f)::S(G)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • S(c);CHECK,N_GUARD::QAR(B),XS(c)
      • S(a);N_GUARD,XQ(B)::S(A)
      • R(f);N_GUARD::QAR1(B),XR(f)
      • R(f);N_GUARD::QAR1(B)
      • R(f);N_GUARD,P_PINP(F)::QAR1(B)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
      • S(c);N_GUARD::QAR(B)
      • P(g);SBLOCK,S_CUTR(f)::S(G)
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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).