MESON Chess Problem Database

Problem Display
PID: 198703 (1n4q1/2R1Nb2/p1pNkPp1/6Pp/K4Qr1/p5rB/8/b7 w - - 0 1)

Ellerman, Arnoldo

5th Prize, Centurini Ty. (L'Italia Scacchistica), 1921

1n4q1/2R1Nb2/p1pNkPp1/6Pp/K4Qr1/p5rB/8/b7

#2

8 + 12

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sc5#
      • 1...Be8
        • 2.Sd8#
      • 1...Rc3
        • 2.Qe4#
      • 1...Bd4
        • 2.Qd6#
      • 1...Be5
        • 2.Qc4#
      • 1...Sd7
        • 2.Rxc6#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • B(j);S_CUTQ(l)::S(E)
      • R(c);S_CUTB(a)::QAR2(C)
      • B(a);N_PINQ(C)::QAR1(C)
      • B(a);SBLOCK::QAB(C)
      • S(k);N_GUARD,SBLOCK::R(G),XP(g)
      • P(g);::S(E),XP(g)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).