MESON Chess Problem Database

Problem Display
PID: 177523 (2n5/p4Q2/3p2p1/N3k2N/6r1/2K2b2/8/1B6 w - - 0 1)

Artz, MDL

Seilberger, Johann Joseph Petrus Adrianus

De Maasbode, 1950

2n5/p4Q2/3p2p1/N3k2N/6r1/2K2b2/8/1B6

#2

5 + 7

4901 Best Problems 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Sc4#
    • 1...Rg2
      • 2.Sc4#
    • 1...Rg3
      • 2.Sc4#
    • 1...Rc4+
      • 2.Sxc4#
    • 1...Re4
      • 2.Sc6#
    • 1...Rg5
      • 2.Sc4#
    • 1...Bd1
      • 2.Sc6#
    • 1...Be2
      • 2.Sc6#
    • 1...Be4
      • 2.Sc4#
    • 1...Bd5
      • 2.Qf6#
    • 1...Bc6
      • 2.Sxc6#
    • 1...d5
      • 2.Qf6#
    • 1...gxh5
      • 2.Qf5#
    • 1...g5
      • 2.Qf5#
  • Keys
    • 1.Be4!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Rxe4
        • 2.Sc6#
      • 1...Bxe4
        • 2.Sc4#
      • 1...gxh5
        • 2.Qf5#
      • 1...d5
        • 2.Qxd5#
      • 1...Sb6
        • 2.Qe8#
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • R(b);N_GUARD::S(C)
    • R(b);CHECK,N_GUARD::S(C),XR(b)
    • R(b);S_CUTB(a)::S(C)
    • B(a);N_GUARD::S(C)
    • B(a);S_CUTR(b)::S(C)
    • B(a);SBLOCK::QAB1(E)
    • B(a);N_GUARD::S(C),XB(a)
    • P(d);SBLOCK::QAB1(E)
    • P(e);N_GUARD,XS(D)::QAR1(E)
    • P(e);N_GUARD::QAR1(E)
  • Actual
    • B(A);
    • Threat
      • QAR1(E)
    • Vars
      • K(c);P-FLIGHT,XB(A)::QAR2(E)
      • R(b);SBLOCK,XB(A)::S(C)
      • B(a);SBLOCK,XB(A)::S(C)
      • P(e);N_GUARD,XS(D)::QAR1(E)
      • P(d);::QAR1(E),XP(d)
      • S(g);N_GUARD::QAR2(E),XS(g)
HTML5 logo

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).