MESON Chess Problem Database

Problem Display
PID: 16497 (4R1K1/3p4/1p1P4/1P1kN3/2rbp3/QrP1P1B1/BN6/3b4 w - - 0 1)

Bridgwater, Ralph Herbert

Chess, 1941

4R1K1/3p4/1p1P4/1P1kN3/2rbp3/QrP1P1B1/BN6/3b4

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Bxc4#
    • 1...Rxb5
      • 2.Bxc4#
    • 1...Bxe5
      • 2.Rxe5#
  • Keys
    • 1.Sed3!
      • threat
        • 2.Sf4#
      • 1...Rxa3
        • 2.Bxc4#
      • 1...Rxb5
        • 2.Qa8#
      • 1...Bxe3
        • 2.Re5#
      • 1...exd3
        • 2.e4#
      • 1...Rbb4
        • 2.Qa8#
      • 1...Rcb4
        • 2.Qa8#
      • 1...Rc5
        • 2.Sb4#
      • 1...Bc5
        • 2.Qa8#
      • 1...Be5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE,P_SPINR(c),XS(B)::B(A),XR(c)
    • R(b);OGATE,P_SPINR(c),XP(G)::B(A),XR(c)
    • B(d);OGATE,XS(H)::R1(J),XB(d)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • R(b);OGATE,P_SPINR(c),XQ(C)::B(A),XR(c)
      • R(b);P_SPINR(c),XP(G)::QAB(C)
      • B(d);N_GUARD,XP(E)::R1(J)
      • P(e);OGATE,XS(H)::P(E)
      • R(b);P_SPINR(c)::QAB(C)
      • R(c);N_GUARD,P_SPINR(b)::QAB(C)
      • R(c);N_GUARD,P_SPINR(b),SBLOCK::S(H)
      • B(d);S_CUTR(c)::QAB(C)
      • B(d);N_GUARD::R1(J),XB(d)
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).