MESON Chess Problem Database

Problem Display
PID: 17508 (4R3/br3pB1/b2pN1p1/1n3kpq/K1Q3rp/2p1p2B/8/8 w - - 0 1)

Mansfield, Comins

4th Prize, Jacobs MT, 1947

4R3/br3pB1/b2pN1p1/1n3kpq/K1Q3rp/2p1p2B/8/8

#2

6 + 14

461 Schach-Express 1948
3105 FIDE Album (1945-1955) 1964
3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qh6
      • 2.Bxg4#
      • 2.Qxg4#
    • 1...Qh7
      • 2.Bxg4#
      • 2.Qxg4#
    • 1...Qh8
      • 2.Bxg4#
      • 2.Qxg4#
    • 1...Bd4
      • 2.Qd3#
    • 1...Sd4
      • 2.Qd5#
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qe4#
      • 1...Bd4
        • 2.Qf1#
      • 1...Sd4
        • 2.Qxf7#
      • 1...d5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(l);N_PINQ(C)::QAB(C)
    • S(e);N_PINQ(C)::QAR2(C)
  • Actual
    • S(D);
    • Threat
      • QAB1(C)
    • Vars
      • B(l);N_PINQ(C)::QAR(C)
      • S(e);N_PINQ(C)::QAR2(C),XP(n)
      • P(j);N_GUARD::R1(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).