MESON Chess Problem Database

Problem Display
PID: 214514 (8/1Q5b/8/p7/4p3/3P4/2R5/2K4k w - - 0 1)

Wheeler, Charles Henry

Brownson's Chess Journal, 1877

8/1Q5b/8/p7/4p3/3P4/2R5/2K4k

#2

4 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe4+?
      • 1...Kg1
        • 2.Qg2#
        • 2.Qe1#
      • 1...Bxe4!
    • 1.Qb4?
      • threat
        • 2.Qe1#
      • 1...Kg1
        • 2.Qe1#
      • 1...axb4!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Kb2#
      • 1...Kg1
        • 2.Kb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK,XP(b)
      • Refutation
        • B(d);XQ(D)
    • Try
      • Q(D);N_PINP(b)
      • Threat
        • QAR(D)
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • P(c);XQ(D)
  • Actual
    • Q(D);N_PINP(b)
    • Threat
      • QAR(D)+K(A)
    • Vars
      • K(a);P-FLIGHT::QAR(D)+K(A)
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