MESON Chess Problem Database

Problem Display
PID: 152076 (5R1n/1Bpk4/5P2/br3p2/1p1p4/1Q1K2B1/8/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1937

5R1n/1Bpk4/5P2/br3p2/1p1p4/1Q1K2B1/8/8

#2

6 + 8

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qxd5#
    • 1...Rxb7
      • 2.Qd5#
    • 1...Sf7
      • 2.Qxf7#
    • 1...c5
      • 2.Qd5#
    • 1...c6
      • 2.Bc8#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Bc6#
        • 2.Bc8#
        • 2.Qc6#
      • 1...Rxb7
        • 2.Qd5#
      • 1...Rd5
        • 2.Bc8#
        • 2.Qxd5#
        • 2.Qc6#
      • 1...Re5
        • 2.Qc6#
      • 1...f4
        • 2.Qc6#
      • 1...Rb6
        • 2.Bc8#
      • 1...c5
        • 2.Qd5#
      • 1...c6
        • 2.Bxc6#
        • 2.Bc8#
        • 2.Qxc6#
      • 1...Rc5!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Rd8#
      • 1...Rxb7
        • 2.Qd5#
      • 1...Sf7
        • 2.Qxf7#
      • 1...c5
        • 2.Qd5#
      • 1...c6
        • 2.Bc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::QAR2(A),XR(d)
    • R(d);N_GUARD,XB(E)::QAR2(A)
    • S(h);N_GUARD::QAR2(A),XS(h)
    • P(f);S_CUTR(d)::QAR2(A)
    • P(f);SBLOCK::B(E)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • R(d);N_GUARD,XB(E)::QAR2(A)
        • R(d);::QAB1(A)
        • P(e);::QAB1(A)
        • R(d);::B(E)
        • P(f);S_CUTR(d)::QAR2(A)
      • Refutation
        • R(d);
  • Actual
    • Q(A);
    • Threat
      • R1(F)
    • Vars
      • R(d);N_GUARD,XB(E)::QAR2(A)
      • S(h);N_GUARD::QAR2(A),XS(h)
      • P(f);S_CUTR(d)::QAR2(A)
      • P(f);SBLOCK::B(E)
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Developed and maintained by Brian Stephenson.
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