MESON Chess Problem Database

Problem Display
PID: 219022 (4Bnrn/3pbbR1/4k3/4qrP1/NpP3P1/1Kp1N3/8/B2RQ3 w - - 0 1)

Arnold, William E

Charleston Sunday News, 1882

4Bnrn/3pbbR1/4k3/4qrP1/NpP3P1/1Kp1N3/8/B2RQ3

#2

11 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sfg6
      • 2.Bxd7#
    • 1...Sh7
      • 2.Bxd7#
  • Keys
    • 1.Sxf5!
      • 1...Qxe1
        • 2.Rxe1#
      • 1...Rxg7
        • 2.Sxg7#
      • 1...Bxg5
        • 2.Rd6#
      • 1...Bxe8
        • 2.Rxe7#
      • 1...Qe2
        • 2.Qxe2#
      • 1...Qe3
        • 2.Qxe3#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Bc5
        • 2.Sxc5#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bf6
        • 2.Sc5#
        • 2.Rd6#
      • 1...Bd8
        • 2.Sc5#
        • 2.Rd6#
      • 1...Bh5
        • 2.Rxe7#
      • 1...Bg6
        • 2.Rxe7#
      • 1...Sfg6
        • 2.Bxd7#
      • 1...Sh7
        • 2.Bxd7#
      • 1...Shg6
        • 2.Bxf7#
      • 1...c2
        • 2.Qxe5#
      • 1...d5
        • 2.cxd5#
      • 1...d6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(i);N_GUARD::B(K),XP(f)
  • Actual
    • S(E);P_PINQ(c),XR(d)
    • Vars
      • Q(c);N_SPINQ(c),OGATE,XQ(C)::R(B),XQ(c)
      • R(j);XR(J)::S(E),XR(j)
      • B(g);N_GUARD,XP(I)::R1(B)
      • B(h);OGATE,XB(K)::R1(J),XB(g)
      • Q(c);OGATEB::QAR(C),XQ(c)
      • Q(c);OGATEB::QAR2(C),XQ(c)
      • B(g);N_GUARD::S(F),XB(g)
      • B(g);N_GUARD::R1(B),XB(g)
      • B(h);OGATE::R1(J),XB(g)
      • S(i);N_GUARD::B(K),XP(f)
      • S(k);N_GUARD::B(K),XB(h)
      • P(a);::QAR1(C),XQ(c)
      • P(f);OGATE::P(G),XP(f)
      • P(f);SBLOCK::S(E)
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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).