MESON Chess Problem Database

Problem Display
PID: 224309 (Q7/b7/8/8/4pp2/4Nk2/7P/5K2 w - - 0 1)

Rockwell, Almon Ferdinand

Brownson's Chess Journal, 1887

Q7/b7/8/8/4pp2/4Nk2/7P/5K2

#2

4 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qh8?
      • threat
        • 2.Qh3#
      • 1...Kxe3
        • 2.Qc3#
      • 1...fxe3!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qh3#
      • 1...Kxe3
        • 2.Qc3#
      • 1...fxe3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);N_PINP(b)
      • Threat
        • QAR2(D)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(D)
      • Refutation
        • P(c);XS(C)
  • Actual
    • Q(D);N_PINP(b)
    • Threat
      • QAR2(D)
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(D)
      • P(c);OGATEB,SBLOCK,XS(C)::QAR2(D)
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