MESON Chess Problem Database

Problem Display
PID: 183669 (2N5/3p4/1K3B2/2Nk1pp1/2p3b1/8/4PR2/1n1B4 w - - 0 1)

Jackson, EL

British Chess Magazine, 1915

2N5/3p4/1K3B2/2Nk1pp1/2p3b1/8/4PR2/1n1B4

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe2
      • 2.Rxf5#
    • 1...Bh5
      • 2.Rxf5#
    • 1...c3
      • 2.Bb3#
    • 1...d6
      • 2.Se7#
  • Keys
    • 1.e3!
      • 1...Bxd1
        • 2.Rxf5#
      • 1...c3
        • 2.Bb3#
      • 1...Bf3
        • 2.Bxf3#
      • 1...Be2
        • 2.Rxf5#
      • 1...Bh3
        • 2.Bf3#
      • 1...Bh5
        • 2.Rxf5#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sa3
        • 2.Rd2#
      • 1...Sc3
        • 2.Rd2#
      • 1...f4
        • 2.e4#
      • 1...d6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD,XP(B)::R(C),XP(e)
    • B(c);N_GUARD::R(C),XP(e)
    • P(b);OGATEB::B(A)
    • P(g);SBLOCK::S(G)
  • Actual
    • P(B);
    • Vars
      • B(c);N_GUARD,XB(A)::R(C),XP(e)
      • P(b);OGATEB::B(A)
      • B(c);N_GUARD::B(A),XB(c)
      • B(c);N_GUARD::R(C),XP(e)
      • B(c);N_GUARD::B(A)
      • S(a);N_GUARD::R(C),XS(a)
      • S(a);N_GUARD::R(C)
      • P(e);N_GUARD::P(B)
      • P(g);SBLOCK::S(G)
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