MESON Chess Problem Database

Problem Display
PID: 201663 (4K2Q/2B3N1/8/3k2P1/P7/2b1P1N1/P7/2R5 w - - 0 1)

Jakab, Arpad

Bekes Sakk, 1922

4K2Q/2B3N1/8/3k2P1/P7/2b1P1N1/P7/2R5

#2

10 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qh1#
      • 2.Qg8#
    • 1...Be1
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bb2
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bd2
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bb4
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bd4
      • 2.Qh1#
      • 2.Qg8#
      • 2.e4#
    • 1...Ba5
      • 2.Qh1#
      • 2.Qg8#
    • 1...Be5
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bf6
      • 2.Qh1#
      • 2.Qg8#
    • 1...Bxg7
      • 2.Qg8#
  • Keys
    • 1.Se6!
      • 1...Kc4
        • 2.Qd4#
      • 1...Kc6
        • 2.Qh1#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxh8
        • 2.Sf4#
      • 1...Ba1
        • 2.Sf4#
      • 1...Be1
        • 2.Sf4#
        • 2.Qe5#
      • 1...Bb2
        • 2.Sf4#
      • 1...Bd2
        • 2.Sf4#
        • 2.Qe5#
      • 1...Bb4
        • 2.Sf4#
        • 2.Qe5#
      • 1...Bd4
        • 2.Sf4#
      • 1...Ba5
        • 2.Sf4#
        • 2.Qe5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6
        • 2.Sf4#
      • 1...Bg7
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(a);XS(H)::QAB(J)
  • Actual
    • S(H);
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::QAR1(J)
      • K(b);P_SPINB(a),S_FLIGHT::QAB(J)
      • K(b);OGATEB,S_FLIGHT,XS(H)::QAB(J)
      • B(a);XQ(J)::S(H)
      • B(a);::S(H)
      • B(a);N_GUARD::QAR1(J),XB(a)
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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).