MESON Chess Problem Database

Problem Display
PID: 262028 (1Qb5/1p1P2K1/1P3p2/4p1pk/2r5/5N2/8/3B2R1 w - - 0 1)

Somma, Francesco

Schweizerische Schachzeitung, 1924

1Qb5/1p1P2K1/1P3p2/4p1pk/2r5/5N2/8/3B2R1

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd7
      • 2.Qh8#
    • 1...e4
      • 2.Qh2#
    • 1...g4
      • 2.Rh1#
    • 1...f5
      • 2.Rxg5#
  • Keys
    • 1.Bb3!
      • 1...Bxd7
        • 2.Qh8#
      • 1...g4
        • 2.Rh1#
      • 1...Rc1
        • 2.Bf7#
      • 1...Rc2
        • 2.Bf7#
      • 1...Rc3
        • 2.Bf7#
      • 1...Ra4
        • 2.Bf7#
      • 1...Rb4
        • 2.Bf7#
      • 1...Rd4
        • 2.Bf7#
      • 1...Re4
        • 2.Bf7#
      • 1...Rf4
        • 2.Bf7#
      • 1...Rg4
        • 2.Bf7#
      • 1...Rh4
        • 2.Bf7#
      • 1...Rc5
        • 2.Bf7#
      • 1...Rc6
        • 2.Bf7#
      • 1...Rc7
        • 2.Bf7#
      • 1...e4
        • 2.Qh2#
      • 1...f5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(g);OGATE,XP(E)::QAR(G)
    • P(b);OGATE::QAR(G)
    • P(c);SBLOCK,S_CUTR(a)::R(B)
    • P(e);N_GUARD::R1(B),XP(c)
  • Actual
    • B(A);
    • Vars
      • B(g);OGATE,XP(E)::QAR(G)
      • P(c);SBLOCK,S_CUTR(a)::R(B)
      • R(a);OGATE::B(A)
      • R(a);OGATE,P_PINP(E)::B(A)
      • P(b);OGATE::QAR(G)
      • P(e);N_GUARD::R1(B),XP(c)
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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).