MESON Chess Problem Database

Problem Display
PID: 206994 (8/8/8/3k1B2/1K1np1Q1/5n2/2q4B/8 w - - 0 1)

Reid, Neville C

New York Clipper, 1859

8/8/8/3k1B2/1K1np1Q1/5n2/2q4B/8

#2

4 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qc1
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qa2
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qf2
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qg2
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qc6
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qc7
      • 2.Bxe4#
      • 2.Qxe4#
    • 1...Qc8
      • 2.Bxe4#
      • 2.Qxe4#
  • Keys
    • 1.Bxe4+!
      • 1...Qxe4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(D);CHECK,XP(d)
    • Vars
      • Q(a);SBLOCK,XB(D)::QAR2(C)
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