MESON Chess Problem Database

Problem Display
PID: 55252 (1Q6/4p3/6pr/R1BP4/4k3/8/2K2b1N/1B6 w - - 0 1)

Mansfield, Comins

4th HM., Europe Echecs, 1972

1Q6/4p3/6pr/R1BP4/4k3/8/2K2b1N/1B6

#2

7 + 5

4054 Complete Mansfield/III 1999
133 The Problemist Supplement 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4?
      • threat
        • 2.Kc3#
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe5#
      • 1...Bxd4
        • 2.Kd2#
      • 1...e5
        • 2.Qxe5#
      • 1...Rh3
        • 2.Qe5#
      • 1...Rh5
        • 2.Kc3#
      • 1...Be1
        • 2.Qe5#
      • 1...Bg3
        • 2.Kc3#
      • 1...Rxh2!
  • Keys
    • 1.Be3!
      • threat
        • 2.Kd2#
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kf5
        • 2.Qf4#
      • 1...Rxh2
        • 2.Qf4#
      • 1...Bxe3
        • 2.Kc3#
      • 1...Rh4
        • 2.Kd2#
      • 1...Be1
        • 2.Qf4#
      • 1...Bg3
        • 2.Kd2#
      • 1...g5
        • 2.Kd2#
      • 1...e5
        • 2.Kd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT,XB(E)::QAR2(G)
        • K(b);S_FLIGHT::QAR1(G)
        • B(a);SBLOCK,XB(E)::B(A)+K(B)
        • P(e);::QAR1(G),XP(e)
        • R(d);::QAR1(G)
        • R(d);::B(A)+K(B)
        • B(a);::QAR1(G)
        • B(a);::B(A)+K(B)
      • Refutation
        • R(d);XS(C)
  • Actual
    • B(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT,XB(E)::QAR2(G)
      • K(b);S_FLIGHT::QAR1(G)
      • R(d);XS(C)::QAR1(G)
      • B(a);SBLOCK,XB(E)::B(A)+K(B)
      • R(d);::B(A)+K(B)
      • B(a);::QAR1(G)
      • B(a);::B(A)+K(B)
      • P(c);::B(A)+K(B)
      • P(e);::B(A)+K(B)
HTML5 logo

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).