MESON Chess Problem Database

Problem Display
PID: 203473 (2b5/5Q2/r7/p3k3/3RB3/5n2/7b/3K2B1 w - - 0 1)

Simay-Molnar, Aladar

2nd HM., Uj Nemzedek, 1924

2b5/5Q2/r7/p3k3/3RB3/5n2/7b/3K2B1

#2

5 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qf5#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bb7
      • 2.Qf5#
  • Tries
    • 1.Bb1?
      • threat
        • 2.Rd5#
      • 1...Sxd4
        • 2.Bxh2#
      • 1...Re6
        • 2.Qf5#
      • 1...Rf6
        • 2.Qd5#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Be6
        • 2.Qg7#
      • 1...Bb7
        • 2.Qf5#
      • 1...Rd6!
    • 1.Bc2?
      • threat
        • 2.Rd5#
      • 1...Sxd4
        • 2.Bxh2#
      • 1...Re6
        • 2.Qf5#
      • 1...Rf6
        • 2.Qd5#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Be6
        • 2.Qg7#
      • 1...Bb7
        • 2.Qf5#
      • 1...Rd6!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Rd5#
      • 1...Sxd4
        • 2.Bxh2#
      • 1...Rd6
        • 2.Re4#
      • 1...Re6
        • 2.Qf5#
      • 1...Rf6
        • 2.Qd5#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Be6
        • 2.Qg7#
      • 1...Bb7
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);S_CUTB(f)::QAR1(E)
    • B(f);N_GUARD::QAR1(E),XB(f)
    • B(f);N_GUARD::QAR1(E)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(C)
      • Vars
        • S(b);N_GUARD,SBLOCK,XR(C)::B(B),XB(a)
        • R(e);S_CUTB(f)::QAR1(E)
        • R(e);SBLOCK::QAR1(E)
        • B(f);N_GUARD::QAR1(E),XB(f)
        • B(f);SBLOCK,S_CUTR(e)::QAB(E)
        • B(f);N_GUARD::QAR1(E)
      • Refutation
        • R(e);P_PINR(C)
    • Try
      • B(D);
      • Threat
        • R1(C)
      • Vars
        • S(b);N_GUARD,SBLOCK,XR(C)::B(B),XB(a)
        • R(e);S_CUTB(f)::QAR1(E)
        • R(e);SBLOCK::QAR1(E)
        • B(f);N_GUARD::QAR1(E),XB(f)
        • B(f);SBLOCK,S_CUTR(e)::QAB(E)
        • B(f);N_GUARD::QAR1(E)
      • Refutation
        • R(e);P_PINR(C)
  • Actual
    • B(D);
    • Threat
      • R1(C)
    • Vars
      • S(b);N_GUARD,SBLOCK,XR(C)::B(B),XB(a)
      • R(e);SBLOCK::R1(C)
      • R(e);S_CUTB(f)::QAR1(E)
      • R(e);SBLOCK::QAR1(E)
      • B(f);N_GUARD::QAR1(E),XB(f)
      • B(f);SBLOCK,S_CUTR(e)::QAB(E)
      • B(f);N_GUARD::QAR1(E)
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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).