MESON Chess Problem Database

Problem Display
PID: 189607 (4n3/2r4B/3p2RP/NN1k4/3P4/6bK/1r1RP3/8 w - - 0 1)

Simay-Molnar, Aladar

Pesti Naplo, 1911

4n3/2r4B/3p2RP/NN1k4/3P4/6bK/1r1RP3/8

#2

9 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxc3#
    • 1...Ra7
      • 2.Sc3#
    • 1...Rb7
      • 2.Sc3#
    • 1...Rd7
      • 2.Sc3#
    • 1...Re7
      • 2.Sc3#
    • 1...Rf7
      • 2.Sc3#
    • 1...Rg7
      • 2.Sc3#
    • 1...Rxh7
      • 2.Sc3#
  • Tries
    • 1.Bg8+?
      • 1...Rf7
        • 2.Sc3#
      • 1...Ke4!
    • 1.Rxd6+?
      • 1...Sxd6
        • 2.Sxc7#
      • 1...Bxd6!
  • Keys
    • 1.Rf6!
      • threat
        • 2.e4#
      • 1...Rxh7
        • 2.Sc3#
      • 1...Sxf6
        • 2.Sxc7#
      • 1...Re7
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(e);N_GUARD::S(F),XR(e)
    • R(e);N_GUARD::S(F)
    • R(e);N_GUARD,P_PINP(H),XB(I)::S(F)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • R(e);P_SPINR(e)::S(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(G);CHECK,XP(d)
      • Vars
        • S(f);SBLOCK,XR(G)::S(F),XR(e)
      • Refutation
        • B(b);XR(G)
  • Actual
    • R(G);
    • Threat
      • P(B)
    • Vars
      • R(e);N_GUARD,P_PINP(H),XB(I)::S(F)
      • S(f);N_GUARD,XR(G)::S(F),XR(e)
      • R(e);N_GUARD::S(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).