MESON Chess Problem Database

Problem Display
PID: 120761 (1kb5/4Q3/2Bp1b2/Kn6/2qB4/8/8/8 w - - 0 1)

Vogel, Peter

Source?, 0000

1kb5/4Q3/2Bp1b2/Kn6/2qB4/8/8/8

#2

4 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qb7#
    • 1...Bg4
      • 2.Qb7#
    • 1...Bf5
      • 2.Qb7#
    • 1...Be6
      • 2.Qb7#
    • 1...Bb7
      • 2.Qxb7#
    • 1...Sa3
      • 2.Ba7#
      • 2.Qxd6#
      • 2.Qa7#
    • 1...Sc3
      • 2.Ba7#
      • 2.Qxd6#
      • 2.Qa7#
    • 1...Sa7
      • 2.Bxa7#
      • 2.Qxd6#
      • 2.Qxa7#
  • Keys
    • 1.Ba7+!
      • 1...Sxa7
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(f);N_GUARD::QAR1(D)
    • B(f);N_GUARD::QAR1(D),XB(f)
  • Actual
    • B(A);CHECK
    • Vars
      • S(b);SBLOCK,XB(A)::QAB(D),XP(c)
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