MESON Chess Problem Database

Problem Display
PID: 152528 (1b4R1/1ppK2N1/3PN3/RB4p1/2p1k1r1/2r5/5Q2/1b6 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1941

1b4R1/1ppK2N1/3PN3/RB4p1/2p1k1r1/2r5/5Q2/1b6

#2

8 + 9

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sc5#
    • 1...Kd5
      • 2.Bc6#
    • 1...Re3
      • 2.Qf5#
    • 1...Rf3
      • 2.Qd4#
  • Tries
    • 1.Bc6+?
      • 1...Kd3
        • 2.Sc5#
      • 1...bxc6!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Bxc4#
        • 2.Bc6#
      • 1...Re3!
  • Keys
    • 1.Re8!
      • threat
        • 2.Sf4#
      • 1...Kd3
        • 2.Sc5#
      • 1...Kd5
        • 2.Bc6#
      • 1...Ke5
        • 2.Sxc7#
      • 1...Re3
        • 2.Qf5#
      • 1...Rf3
        • 2.Qd4#
      • 1...Rf4
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINP(c),S_FLIGHT::S(E)
    • K(d);S_FLIGHT::R(B)+B(C),DCHECK
    • R(b);SBLOCK::QAB1(A)
    • R(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);S_FLIGHT::S(E)
      • Refutation
        • P(g);XB(C)
    • Try
      • Q(A);CHECK
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • R(H);
    • Threat
      • R(H)+S(E)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::S(E)
      • K(d);S_FLIGHT::R(B)+B(C),DCHECK
      • K(d);P-FLIGHT::R(H)+S(E),XP(h)
      • R(b);SBLOCK::QAB1(A)
      • R(b);SBLOCK::QAR1(A)
      • R(e);::R(H)+S(E),XR(e)
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