MESON Chess Problem Database

Problem Display
PID: 6991 (4Q2B/2r4b/1r1p4/1p1k4/1P1P4/1R6/BN1P1K2/8 w - - 0 1)

Mansfield, Comins

Lo Scacchistica di Roma, 1935

4Q2B/2r4b/1r1p4/1p1k4/1P1P4/1R6/BN1P1K2/8

#2

9 + 6

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rc3#
    • 1...Rc2
      • 2.Rc3#
    • 1...Rc3
      • 2.Rxc3#
    • 1...Ra7
      • 2.Ra3#
    • 1...Rb7
      • 2.Ra3#
      • 2.Rc3#
      • 2.Rd3#
      • 2.Re3#
      • 2.Rf3#
      • 2.Rg3#
      • 2.Rh3#
    • 1...Rd7
      • 2.Rc3#
    • 1...Re7
      • 2.Re3#
    • 1...Rf7+
      • 2.Rf3#
    • 1...Rg7
      • 2.Rd3#
  • Keys
    • 1.Sd1!
      • threat
        • 2.Se3#
      • 1...Rf7+
        • 2.Rf3#
      • 1...Kc4
        • 2.Se3#
      • 1...Rd7
        • 2.Rc3#
      • 1...Re7
        • 2.Re3#
      • 1...Rg7
        • 2.Rd3#
      • 1...Rc3
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::B(A)+R(E)
    • R(e);N_GUARD,P_PINP(C)::B(A)+R(E)
    • R(e);N_GUARD::B(A)+R(E),XR(e)
    • R(e);CHECK,N_GUARD::B(A)+R(E)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(e);CHECK,N_GUARD::B(A)+R(E)
      • K(b);S_FLIGHT::S(B)
      • R(e);N_GUARD::B(A)+R(E)
      • R(e);N_GUARD::B(A)+R(E),XR(e)
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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).