MESON Chess Problem Database

Problem Display
PID: 146171 (4n3/r1B5/rN5K/p4p2/R7/3pkP1n/1Q6/3B4 w - - 0 1)

Simay-Molnar, Aladar

3rd Prize, L'Italia Scacchistica, 1924

4n3/r1B5/rN5K/p4p2/R7/3pkP1n/1Q6/3B4

#2

7 + 8

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb6+
      • 2.Bxb6#
    • 1...Sg1
      • 2.Bf4#
    • 1...Sf2
      • 2.Bf4#
    • 1...Sf4
      • 2.Bxf4#
    • 1...Sg5
      • 2.Bf4#
    • 1...Sd6
      • 2.Sd5#
    • 1...Sf6
      • 2.Sc4#
    • 1...d2
      • 2.Qd4#
    • 1...f4
      • 2.Re4#
  • Tries
    • 1.Qf2+?
      • 1...Sxf2
        • 2.Bf4#
      • 1...Kxf2!
  • Keys
    • 1.Ra2!
      • threat
        • 2.Qe5#
      • 1...Rxb6+
        • 2.Qxb6#
      • 1...Sd6
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sg5
        • 2.Qf2#
      • 1...Sf6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(f);CHECK,OGATE,XS(E)::B(G),XR(f)
    • S(c);N_GUARD::B(G)
    • S(c);N_GUARD::B(G),XS(c)
    • S(h);N_PINS(E)::S(E)
    • P(a);::QAB1(B)
    • P(e);N_GUARD::R1(D)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • S(c);SBLOCK,XQ(B)::B(G)
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
  • Actual
    • R(D);
    • Threat
      • QAR2(B)
    • Vars
      • R(f);CHECK,OGATE,XS(E)::QAB(B),XR(f)
      • S(h);N_PINS(E)::S(E)
      • P(a);::QAB1(B),XP(a)
      • S(c);N_GUARD::QAB1(B),XS(c)
      • S(c);N_GUARD::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).