MESON Chess Problem Database

Problem Display
PID: 149020 (2NN2B1/6B1/4P3/1n1k4/pP1n4/Q1R5/4b1P1/4R2K w - - 0 1)

Greenwood, William M

Good Companions (May), 1918

2NN2B1/6B1/4P3/1n1k4/pP1n4/Q1R5/4b1P1/4R2K

#2

11 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Re5#
      • 2.Rc5#
    • 1...Bf1
      • 2.Re5#
      • 2.Rc5#
    • 1...Bd3
      • 2.Re5#
      • 2.Rc5#
    • 1...Bf3
      • 2.Re5#
      • 2.Rc5#
    • 1...Bc4
      • 2.Re5#
    • 1...Bg4
      • 2.Re5#
      • 2.Rc5#
    • 1...Bh5
      • 2.Re5#
      • 2.Rc5#
  • Keys
    • 1.Rc4!
      • 1...Kxc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Qf3#
      • 1...Bxc4
        • 2.Re5#
      • 1...Sxe6
        • 2.Bxe6#
      • 1...Sxa3
        • 2.Rxd4#
      • 1...Bd1
        • 2.Rc5#
      • 1...Bf1
        • 2.Rc5#
      • 1...Bd3
        • 2.Rc5#
      • 1...Bf3
        • 2.Rc5#
      • 1...Bg4
        • 2.Rc5#
      • 1...Bh5
        • 2.Rc5#
      • 1...Sc2
        • 2.e7#
      • 1...Sb3
        • 2.e7#
      • 1...Sf3
        • 2.e7#
      • 1...Sf5
        • 2.e7#
      • 1...Sc6
        • 2.e7#
      • 1...Sc3
        • 2.Rxd4#
      • 1...Sd6
        • 2.Rxd4#
      • 1...Sa7
        • 2.Rxd4#
      • 1...Sc7
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 19
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::R1(A)
  • Actual
    • R(E);
    • Vars
      • K(e);S_FLIGHT,XR(E)::S(I)
      • K(e);P_SPINB(a),P_SPINS(c),S_FLIGHT::QAB1(D)
      • B(a);OGATE,SBLOCK,XR(E)::R1(A)
      • S(c);OGATE,P_SPINS(c),XP(G)::B(K),XS(c)
      • S(d);N_GUARD,XQ(D)::R1(E),XS(c)
      • B(a);::R1(E)
      • B(a);P_PINP(C)::R1(E)
      • S(c);N_GUARD::B(K)+P(G)
      • S(d);N_GUARD::R1(E),XS(c)
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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).