MESON Chess Problem Database

Problem Display
PID: 136334 (8/Qpp1k1p1/1R2P2R/7B/4b1N1/4K3/8/4B3 w - - 0 1)

Densmore, Darso James

Pittsburgh Gazette-Times, 1916

(First published on Sun Dec 24 1916)

8/Qpp1k1p1/1R2P2R/7B/4b1N1/4K3/8/4B3

#2

8 + 5

14689 A Memorial to D. J. Densmore 1920

SOLUTION

  • SOUND
  • Tries
    • 1.Bb4+?
      • 1...Kd8
        • 2.Rh8#
        • 2.Qb8#
        • 2.Qa8#
      • 1...c5!
    • 1.Bh4+?
      • 1...Kf8
        • 2.Rh8#
        • 2.Qb8#
        • 2.Qa8#
      • 1...g5!
    • 1.Qa3+?
      • 1...Kd8
        • 2.Rh8#
        • 2.Qf8#
      • 1...c5!
    • 1.Qa8?
      • threat
        • 2.Qe8#
      • 1...cxb6
        • 2.Bb4#
      • 1...Bc6
        • 2.Bb4#
      • 1...Bg6
        • 2.Bh4#
      • 1...g6
        • 2.Rh7#
      • 1...c6!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qe8#
      • 1...cxb6
        • 2.Bb4#
      • 1...Bc6
        • 2.Bb4#
      • 1...Bg6
        • 2.Bh4#
      • 1...c6
        • 2.Rxb7#
      • 1...g6
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • B(A);CHECK
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • Q(H);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • P(c);N_GUARD,XR(E)::B(A)
        • B(a);S_CUTP(c)::B(A)
        • B(a);S_CUTP(e)::B(A)
        • P(e);OGATEB::R(G)
      • Refutation
        • P(c);
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • P(c);N_GUARD,XR(E)::B(A)
      • B(a);S_CUTP(c)::B(A)
      • B(a);S_CUTP(e)::B(A)
      • P(c);OGATEB::R(E),XP(b)
      • P(e);OGATEB::R(G)
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