MESON Chess Problem Database

Problem Display
PID: 148563 (5N2/5p2/5P2/1Np1k3/1pP1pnPB/3p3p/2bQ3P/K7 w - - 0 1)

Dawson, Thomas Rayner

Chess Amateur (The), 1913

5N2/5p2/5P2/1Np1k3/1pP1pnPB/3p3p/2bQ3P/K7

#2

9 + 9

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qb2#
    • 1...Bd1
      • 2.Qb2#
    • 1...Bb3
      • 2.Qb2#
    • 1...Ba4
      • 2.Qb2#
    • 1...Se2
      • 2.Qg5#
    • 1...Sg2
      • 2.Qg5#
    • 1...Sd5
      • 2.Qg5#
    • 1...Sh5
      • 2.Qg5#
    • 1...Se6
      • 2.Sd7#
    • 1...Sg6
      • 2.Qg5#
    • 1...b3
      • 2.Qc3#
    • 1...e3
      • 2.Qxe3#
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qb2#
      • 1...e3
        • 2.Qxe3#
      • 1...Se2
        • 2.Qg5#
      • 1...Sg2
        • 2.Qg5#
      • 1...Sd5
        • 2.Qg5#
      • 1...Sh5
        • 2.Qg5#
      • 1...Se6
        • 2.Sd7#
      • 1...Sg6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(a);OGATE::QAB(B)
    • S(f);OGATE::QAR2(B)
    • S(f);SBLOCK::S(I)
    • P(d);N_GUARD::QAB(B)
    • P(e);OGATEB::QAR2(B),XP(e)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • P(e);OGATEB::QAR2(B),XP(e)
      • S(f);OGATE::QAR2(B)
      • S(f);SBLOCK::S(I)
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Developed and maintained by Brian Stephenson.
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