MESON Chess Problem Database

Problem Display
PID: 224293 (7N/6k1/5bn1/7R/8/B7/1p6/1B3Q1K w - - 0 1)

Rockwell, Almon Ferdinand

Brownson's Chess Journal, 1887

7N/6k1/5bn1/7R/8/B7/1p6/1B3Q1K

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Qf7#
    • 1...Bd4
      • 2.Qf7#
    • 1...Bh4
      • 2.Qf7#
    • 1...Be5
      • 2.Qf7#
    • 1...Bg5
      • 2.Qf7#
    • 1...Be7
      • 2.Qf7#
    • 1...Bd8
      • 2.Qf7#
  • Tries
    • 1.Qxf6+?
      • 1...Kg8
        • 2.Ba2#
        • 2.Qxg6#
        • 2.Qf7#
      • 1...Kxf6!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qf7#
      • 1...Sxh8
        • 2.Rh7#
      • 1...Se5
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(b);OGATE::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK,XB(b)
      • Refutation
        • K(d);S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • S(c);XS(F)::R1(E)
      • S(c);::R1(E)
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