MESON Chess Problem Database

Problem Display
PID: 148641 (r3k2r/1R2p2p/1p2K3/8/8/8/2p4p/B1Q4B w qk - 0 1)

Hernitz, Zvonimir

Novi Temi, 1969

r3k2r/1R2p2p/1p2K3/8/8/8/2p4p/B1Q4B

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa1
      • 2.Rb8#
    • 1...Ra2
      • 2.Rb8#
    • 1...Ra3
      • 2.Rb8#
    • 1...Ra4
      • 2.Rb8#
    • 1...Ra5
      • 2.Rb8#
    • 1...Ra6
      • 2.Rb8#
    • 1...Ra7
      • 2.Rb8#
    • 1...Rb8
      • 2.Rxb8#
    • 1...0-0
      • 2.Qg5#
    • 1...0-0-0
      • 2.Qxc2#
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qxe7#
        • 2.Qxa8#
      • 1...Kd8
        • 2.Qxa8#
      • 1...Kf8
        • 2.Qxa8#
      • 1...0-0
        • 2.Qg3#
      • 1...0-0-0
        • 2.Qc3#
        • 2.Qa8#
      • 1...Rxa3
        • 2.Rb8#
      • 1...c1Q
        • 2.Qxe7#
      • 1...c1R
        • 2.Qxe7#
      • 1...Ra4
        • 2.Rb8#
        • 2.Qxe7#
      • 1...Ra5
        • 2.Rb8#
        • 2.Qxe7#
      • 1...Ra6
        • 2.Rb8#
        • 2.Qxe7#
      • 1...Ra7
        • 2.Rb8#
        • 2.Qxe7#
      • 1...Rb8
        • 2.Rxb8#
        • 2.Qxe7#
      • 1...Rc8
        • 2.Qxe7#
      • 1...Rd8
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • R(f);N_GUARD,XB(A)::R(E)
    • R(f);N_GUARD::R(E)
    • R(f);N_GUARD::R(E),XR(f)
    • K(g);0-0,OGATEB::QAR(B)
    • K(g);0-0-0,OGATEB,P_SPINP(a)::QAR(B),XP(a)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(g);P-FLIGHT::QAR(B),XR(f)
      • K(g);P-FLIGHT,P_SPINP(d)::QAR(B),XR(f)
      • K(g);0-0,OGATEB::QAR(B)
      • R(f);N_GUARD,XQ(B)::R(E)
      • P(a);::QAR1(B),XP(d)
      • R(f);::QAR1(B),XP(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).