MESON Chess Problem Database

Problem Display
PID: 259252 (b3K3/r2p3N/4k3/1Q6/1b4Pn/4rp2/7B/8 w - - 0 1)

Camponovo, Elios

Schweizerische Schachzeitung, 1944

b3K3/r2p3N/4k3/1Q6/1b4Pn/4rp2/7B/8

#2

5 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rea3
      • 2.Qe5#
    • 1...Rb3
      • 2.Qe5#
    • 1...Rc3
      • 2.Qe5#
    • 1...Rd3
      • 2.Qe5#
    • 1...Re5
      • 2.Qxe5#
    • 1...Ra1
      • 2.Qxd7#
    • 1...Ra2
      • 2.Qxd7#
    • 1...Raa3
      • 2.Qxd7#
    • 1...Ra4
      • 2.Qxd7#
    • 1...Ra5
      • 2.Qxd7#
    • 1...Ra6
      • 2.Qxd7#
    • 1...Be4
      • 2.Qe5#
    • 1...Bb7
      • 2.Qxd7#
    • 1...Sg2
      • 2.Qf5#
    • 1...Sf5
      • 2.Qxf5#
      • 2.gxf5#
    • 1...Sg6
      • 2.Qf5#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qg8#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sg6
        • 2.Qf5#
      • 1...d5
        • 2.Qxe3#
        • 2.Qf6#
      • 1...d6
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • R(a);N_GUARD::QAR1(C)
    • R(a);N_GUARD::QAR1(C),XR(a)
    • R(f);N_GUARD::QAB1(C),XP(g)
    • B(h);S_CUTR(a)::QAR1(C)
    • B(h);S_CUTR(f)::QAB1(C),XP(g)
    • S(d);N_GUARD::QAB1(C)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • R(a);N_GUARD::QAR1(C),XR(a)
      • S(d);N_GUARD::QAB1(C)
      • P(g);S_CUTB(c)::S(D)
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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).