MESON Chess Problem Database

Problem Display
PID: 257905 (8/8/7N/8/2B1k3/2b2NP1/bR1P3P/Q3K3 w - - 0 1)

Bowater, Percy

British Chess Magazine, 1934

8/8/7N/8/2B1k3/2b2NP1/bR1P3P/Q3K3

#2

9 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qa8#
    • 1...Bb3
      • 2.Qa8#
  • Keys
    • 1.Rb3!
      • 1...Bxd2+
        • 2.Sxd2#
      • 1...Kxf3
        • 2.Bd5#
      • 1...Bxb3
        • 2.Qa8#
      • 1...Bxa1
        • 2.Re3#
      • 1...Bb1
        • 2.Qa8#
      • 1...Bb2
        • 2.Re3#
      • 1...Bb4
        • 2.Sg5#
        • 2.Re3#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Ba5
        • 2.Sg5#
        • 2.Re3#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Be5
        • 2.Sg5#
        • 2.Re3#
        • 2.Qxe5#
      • 1...Bf6
        • 2.Re3#
      • 1...Bg7
        • 2.Sg5#
        • 2.Re3#
      • 1...Bh8
        • 2.Sg5#
        • 2.Re3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
  • Actual
    • R(C);
    • Vars
      • B(b);CHECK,XP(D)::S(F),XB(b)
      • K(c);N_GUARD,P_SPINB(b),S_FLIGHT,XS(F)::B(H)
      • B(a);OGATE,XR(C)::QAB(A)
      • B(b);N_PINP(D),OGATE,XQ(A)::R1(C)
      • B(a);OGATE::QAB(A)
      • B(b);N_PINP(D),OGATE::R1(C)
      • B(b);N_PINP(D),OGATE::QAR1(A),XB(b)
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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).