MESON Chess Problem Database

Problem Display
PID: 147843 (1nN5/1N3p2/3P2b1/1p2kpB1/1pB1p1P1/Q1P2RP1/3K4/1R6 w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1910

(First published on Sat Dec 10 1910)

1nN5/1N3p2/3P2b1/1p2kpB1/1pB1p1P1/Q1P2RP1/3K4/1R6

#2

12 + 8

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Rxf5#
    • 1...bxa3
      • 2.Rxb5#
    • 1...bxc3+
      • 2.Qxc3#
    • 1...b3
      • 2.Qc5#
    • 1...exf3
      • 2.Re1#
    • 1...e3+
      • 2.Rxe3#
    • 1...fxg4
      • 2.Bf6#
    • 1...f4
      • 2.gxf4#
    • 1...f6
      • 2.Bf4#
  • Keys
    • 1.Sd8!
      • 1...bxc3+
        • 2.Qxc3#
      • 1...e3+
        • 2.Rxe3#
      • 1...bxa3
        • 2.Rxb5#
      • 1...exf3
        • 2.Re1#
      • 1...bxc4
        • 2.Qa5#
      • 1...fxg4
        • 2.Bf6#
      • 1...Bh5
        • 2.Rxf5#
      • 1...Bh7
        • 2.Sxf7#
      • 1...Sa6
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...b3
        • 2.Qc5#
      • 1...f4
        • 2.gxf4#
      • 1...f6
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::R1(E),XP(e)
    • P(a);OGATE,XQ(C)::R(A),XP(c)
    • P(a);CHECK,OGATE,XP(D)::QAB(C),XP(a)
    • P(a);OGATE::QAR2(C)
    • P(b);OGATEB,XR(E)::R(A)
    • P(b);CHECK,OGATEB::R(E),XP(b)
    • P(e);XP(H)::B(I)
    • P(e);OGATE::P(F),XP(e)
    • P(g);SBLOCK::B(I)
  • Actual
    • S(K);
    • Vars
      • P(a);CHECK,OGATE,XP(D)::QAB(C),XP(a)
      • P(b);CHECK,OGATEB::R(E),XP(b)
      • P(a);OGATE,XQ(C)::R(A),XP(c)
      • P(b);OGATEB,XR(E)::R(A)
      • P(c);OGATEB,XB(G)::QAR(C)
      • P(e);XP(H)::B(I)
      • B(f);N_GUARD::R1(E),XP(e)
      • B(f);N_GUARD::S(K),XP(g)
      • S(h);N_GUARD::S(K)
      • S(h);N_GUARD::S(K),XS(h)
      • P(a);OGATE::QAR2(C)
      • P(e);OGATE::P(F),XP(e)
      • P(g);SBLOCK::B(I)
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