MESON Chess Problem Database

Problem Display
PID: 55625 (2B3Q1/4PN2/K2PPpb1/RN3k2/3PrB2/5PP1/8/7q w - - 0 1)

Mansfield, Comins

4th HM., Paros MT, 1976

2B3Q1/4PN2/K2PPpb1/RN3k2/3PrB2/5PP1/8/7q

#2

13 + 5

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Sh6#
    • 1...Qxf3
      • 2.Sh6#
    • 1...Qa1
      • 2.Sh6#
    • 1...Qb1
      • 2.Sh6#
    • 1...Qc1
      • 2.Sh6#
    • 1...Qd1
      • 2.Sh6#
    • 1...Qe1
      • 2.Sh6#
    • 1...Qf1
      • 2.Sh6#
    • 1...Qg1
      • 2.Sh6#
    • 1...Qh6
      • 2.Sxh6#
    • 1...Rxd4
      • 2.Sxd4#
    • 1...Rxf4
      • 2.Sa3#
      • 2.Sc3#
      • 2.Sa7#
      • 2.Sc7#
    • 1...Rxe6
      • 2.Sa3#
      • 2.Sc3#
      • 2.Sa7#
      • 2.Sc7#
    • 1...Bh5
      • 2.Sh6#
    • 1...Bxf7
      • 2.Qg4#
    • 1...Bh7
      • 2.Qg4#
  • Keys
    • 1.d7!
      • threat
        • 2.Sfd6#
      • 1...Rxe6+
        • 2.Sbd6#
      • 1...Kxe6
        • 2.d8Q#
      • 1...Qxf3
        • 2.Sh6#
      • 1...Rxd4
        • 2.Sxd4#
      • 1...Rxf4
        • 2.Sc7#
      • 1...Bxf7
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • Q(a);N_GUARD::S(K)
    • Q(a);N_GUARD,XP(A)::S(K)
    • Q(a);N_GUARD,P_PINR(E)::S(K)
    • Q(a);N_GUARD,P_PINS(F)::S(K)
    • Q(a);N_GUARD::S(K),XQ(a)
    • R(b);XP(C)::R(E)+S(F),DCHECK,XR(b)
    • B(e);S_CUTQ(a)::S(K)
    • B(e);OGATE,XS(K)::QAB1(M)
    • B(e);OGATE::QAB1(M)
  • Actual
    • P(H);
    • Threat
      • S(K)
    • Vars
      • R(b);CHECK,SBLOCK,XP(I)::R(E)+S(F),DCHECK
      • K(c);S_FLIGHT,XP(I)::P=Q
      • Q(a);N_GUARD,XP(A)::S(K)
      • R(b);XP(C)::R(E)+S(F),DCHECK,XR(b)
      • R(b);N_GUARD,XB(D)::R(E)+S(F)
      • B(e);OGATE,XS(K)::QAB1(M)
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).