MESON Chess Problem Database

Problem Display
PID: 56077 (4QK2/2p1P3/3p3R/3k1NR1/3Pn3/2nP1rPB/2P2B2/5N2 w - - 0 1)

Mansfield, Comins

1st Prize, Gazeta Czestochowska, 1981

4QK2/2p1P3/3p3R/3k1NR1/3Pn3/2nP1rPB/2P2B2/5N2

#2

13 + 6

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf2
      • 2.Se3#
    • 1...Re3
      • 2.S1xe3#
    • 1...Rf4
      • 2.Se3#
    • 1...Rxf5+
      • 2.Rxf5#
    • 1...Sb1
      • 2.c4#
    • 1...Sd1
      • 2.c4#
    • 1...Sa2
      • 2.c4#
    • 1...Se2
      • 2.c4#
    • 1...Sa4
      • 2.c4#
    • 1...Sb5
      • 2.c4#
    • 1...c5
      • 2.Qa8#
    • 1...c6
      • 2.Qf7#
  • Keys
    • 1.Bg2!
      • 1...Rxf5+
        • 2.Rxf5#
      • 1...Rxf2
        • 2.Se3#
      • 1...Rxd3
        • 2.Sxd6#
      • 1...Rxg3
        • 2.S5xg3#
      • 1...Sxf2
        • 2.Se3#
      • 1...Sxg3
        • 2.Se3#
      • 1...Sxg5
        • 2.Se3#
      • 1...Sf6
        • 2.Sg7#
      • 1...Re3
        • 2.S1xe3#
      • 1...Rf4
        • 2.Se3#
      • 1...Sb1
        • 2.c4#
      • 1...Sd1
        • 2.c4#
      • 1...Sa2
        • 2.c4#
      • 1...Se2
        • 2.c4#
      • 1...Sa4
        • 2.c4#
      • 1...Sb5
        • 2.c4#
      • 1...Sd2
        • 2.Se3#
      • 1...Sc5
        • 2.Se3#
      • 1...c5
        • 2.Qa8#
      • 1...c6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,XB(C)::S(A)
    • R(b);N_GUARD,N_PINS(H)::S(A),XR(b)
    • R(b);N_GUARD::S(A)
    • R(b);CHECK,OGATE,P_SPINR(b),XS(H)::R(I),XR(b)
    • S(a);OGATE::P(B)
    • P(f);N_GUARD::QAB(L)
    • P(f);SBLOCK::QAB(L)
  • Actual
    • B(F);
    • Vars
      • R(b);CHECK,OGATE,P_SPINR(b),P_SPINS(c),XS(H)::R(I),XR(b)
      • R(b);N_GUARD,P_SPINS(c),XB(C)::S(A)
      • R(b);N_PINS(H),P_SPINS(c),XP(D)::R(I)+S(H),XP(e)
      • R(b);N_PINS(H),P_SPINS(c),XP(E)::R(I)+S(H),XR(b)
      • S(c);P_SPINR(b),XB(C)::S(A)
      • S(c);P_SPINR(b),XP(E)::S(A)
      • S(c);P_SPINR(b),XR(I)::S(A)
      • S(c);N_PINS(H),P_SPINR(b)::R(I)+S(H)
      • R(b);N_GUARD,N_PINS(H),P_SPINS(c)::S(A),XR(b)
      • R(b);N_GUARD,P_SPINS(c)::S(A)
      • S(a);OGATE::P(B)
      • S(c);P_SPINR(b)::S(A)
      • P(f);N_GUARD::QAB(L)
      • P(f);SBLOCK::QAB(L)
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).