MESON Chess Problem Database

Problem Display
PID: 6042 (7B/3B3Q/2NR2r1/7b/4knnR/5rP1/2PP1b1p/7K w - - 0 1)

Mansfield, Comins

Morning Post, 1926

7B/3B3Q/2NR2r1/7b/4knnR/5rP1/2PP1b1p/7K

#2

10 + 8

4797 A Genius of the Two-mover 1936
3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Rd4#
    • 1...Bxg3
      • 2.Rd4#
    • 1...Bd4
      • 2.Rxd4#
    • 1...Se3
      • 2.Rd4#
      • 2.d3#
    • 1...Sf6
      • 2.Qe7#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Bf5#
      • 1...Bxd4
        • 2.Rxd4#
      • 1...Sf6
        • 2.Qe7#
      • 1...Se2
        • 2.Bc6#
      • 1...Sg2
        • 2.Bc6#
      • 1...Sd3
        • 2.Bc6#
      • 1...Sh3
        • 2.Bc6#
      • 1...Sd5
        • 2.Re6#
      • 1...Se6
        • 2.Bc6#
      • 1...Se3
        • 2.d3#
      • 1...Sh6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::R1(G)
    • B(a);N_GUARD,XP(D)::R1(G)
    • B(a);N_GUARD::R1(G),XB(a)
    • S(f);N_GUARD,P_SPINS(e)::QAR(I)
  • Actual
    • S(F);
    • Threat
      • B(H)
    • Vars
      • B(a);OGATE,XS(F)::R1(G),XB(a)
      • S(f);N_GUARD,P_SPINS(e)::QAR(I)
      • S(e);N_GUARD,P_SPINS(f)::B(H)
      • S(e);N_GUARD,P_SPINS(f),SBLOCK::R(G)
      • S(f);P_SPINS(e),SBLOCK,S_CUTR(c)::P(C)
      • S(f);P_SPINS(e)::B(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).