MESON Chess Problem Database

Problem Display
PID: 221937 (7B/1P2R1nB/KQ3prr/1NpPq1p1/2P1k1b1/p2p4/3P1R2/8 w - - 0 1)

Vatarescu, Paul

Stella Polaris, 1967

7B/1P2R1nB/KQ3prr/1NpPq1p1/2P1k1b1/p2p4/3P1R2/8

#2

11 + 11

SOLUTION

  • SOUND
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Rxe5#
      • 1...Qe6+
        • 2.Sd6#
      • 1...Qxe7
        • 2.Sc3#
      • 1...Be6
        • 2.Qf3#
      • 1...Se6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);P_SPINQ(G),XP(h)
    • Threat
      • R1(I),XQ(f)
    • Vars
      • Q(f);CHECK,N_PINQ(G)::S(D)
      • Q(f);N_SPINQ(f),XR(I)::S(D)
      • B(d);N_PINQ(G),N_SPINQ(f)::QAB1(G)
      • S(k);N_PINQ(G),N_SPINQ(f)::QAR1(G),XQ(f)
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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).