MESON Chess Problem Database

Problem Display
PID: 133225 (4Q3/7b/3p2N1/3k4/1Pp3R1/r2r4/Pb2B2N/1KnR3q w - - 0 1)

Baxter, FL

The Field, 1960

(First published on Thu Sep 1 1960)

4Q3/7b/3p2N1/3k4/1Pp3R1/r2r4/Pb2B2N/1KnR3q

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Bxf3#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qxd1
      • 2.Qe4#
    • 1...Qe1
      • 2.Qe4#
    • 1...Qf1
      • 2.Qe4#
    • 1...Qg1
      • 2.Bf3#
      • 2.Qe4#
    • 1...Qxh2
      • 2.Bf3#
      • 2.Qe4#
    • 1...Rxd1
      • 2.Bxc4#
    • 1...Rd2
      • 2.Bxc4#
    • 1...Rd4
      • 2.Rg5#
    • 1...Bd4
      • 2.Sf4#
  • Keys
    • 1.Sf1!
      • threat
        • 2.Se3#
      • 1...Qxf1
        • 2.Qe4#
      • 1...Rxd1
        • 2.Bxc4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qf3
        • 2.Bxf3#
      • 1...Qg1
        • 2.Bf3#
        • 2.Qe4#
      • 1...Qh3
        • 2.Qe4#
      • 1...Qh6
        • 2.Bf3#
        • 2.Qe4#
      • 1...Rd2
        • 2.Bxc4#
      • 1...Rd4
        • 2.Rg5#
      • 1...Bd4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::B(D),XQ(b)
    • Q(b);N_GUARD::QAB1(I),XQ(b)
    • Q(b);N_GUARD,N_SPINR(e),XR(B)::QAB1(I)
    • Q(b);N_GUARD::QAB1(I)
    • R(e);N_SPINR(e),OGATE,P_PINS(H),XR(B)::B(D),XP(f)
    • R(e);OGATE,P_PINS(H)::B(D),XP(f)
    • R(e);P_PINS(H),S_CUTB(c)::R(G)
    • B(c);N_SPINR(e),SBLOCK::S(H)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • Q(b);N_GUARD,XS(E)::QAB1(I)
      • R(e);N_SPINR(e),OGATE,P_PINS(H),XR(B)::B(D),XP(f)
      • Q(b);N_GUARD::QAB1(I),XQ(b)
      • Q(b);N_GUARD::B(D),XQ(b)
      • Q(b);N_GUARD::QAB1(I)
      • R(e);OGATE,P_PINS(H)::B(D),XP(f)
      • R(e);P_PINS(H),S_CUTB(c)::R(G)
      • B(c);N_SPINR(e),SBLOCK::S(H)
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).