MESON Chess Problem Database

Problem Display
PID: 106213 (2bn2R1/np1kp2R/1P1N1pp1/1r1P1rp1/Q1N3B1/B1K5/8/8 w - - 0 1)

Wrobel, Marian

Praca, 1947

2bn2R1/np1kp2R/1P1N1pp1/1r1P1rp1/Q1N3B1/B1K5/8/8

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bxf5+?
      • 1...Se6
        • 2.Bxe6#
      • 1...gxf5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc5#
        • 2.Sxf6#
        • 2.Rxe7#
      • 1...Sac6
        • 2.Sxf6#
      • 1...Sdc6
        • 2.Sxf6#
      • 1...Se6
        • 2.Rxe7#
      • 1...Sf7
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK,XR(b)
      • Vars
        • S(k);N_GUARD,P_SPINS(k)::B(E),XS(k)
      • Refutation
        • P(e);XB(E)
  • Actual
    • S(H);
    • Threat
      • DUALS(3)
    • Vars
      • S(f);N_SPINR(a),P_SPINR(b)::S(H),XP(d)
      • S(k);N_SPINR(a),P_SPINR(b)::S(H),XP(d)
      • S(k);::R1(I),XP(i)
      • S(k);N_SPINP(i)::S(H)
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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).