MESON Chess Problem Database

Problem Display
PID: 107827 (B2N4/8/1N1P3R/Pnk3K1/1n2p3/3bP3/3R4/Q7 w - - 0 1)

Buchwald, Julius

Dosnaje Lebu, 1948

B2N4/8/1N1P3R/Pnk3K1/1n2p3/3bP3/3R4/Q7

#2

10 + 5

6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Se6#
    • 1...Bf1
      • 2.Se6#
    • 1...Bc2
      • 2.Se6#
    • 1...Be2
      • 2.Se6#
    • 1...Bc4
      • 2.Sa4#
      • 2.Sd7#
  • Tries
    • 1.Qc3+?
      • 1...Bc4
        • 2.Sa4#
        • 2.Sd7#
        • 2.Se6#
        • 2.Qxc4#
      • 1...Sxc3!
  • Keys
    • 1.Qa4!
      • 1...Sxd6
        • 2.Se6#
      • 1...Bb1
        • 2.Se6#
      • 1...Bf1
        • 2.Se6#
      • 1...Bc2
        • 2.Se6#
      • 1...Be2
        • 2.Se6#
      • 1...Bc4
        • 2.Sd7#
      • 1...Sa2
        • 2.Sd7#
      • 1...Sc2
        • 2.Sd7#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sa6
        • 2.Sd7#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sa3
        • 2.Sb7#
      • 1...Sc3
        • 2.Sb7#
      • 1...Sd4
        • 2.Sb7#
      • 1...Sa7
        • 2.Sb7#
      • 1...Sc7
        • 2.Sb7#

This anticipates 150367(1983)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • B(a);::S(J)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • S(d);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • S(d);SBLOCK,XP(G)::S(J)
      • B(a);::S(J)
      • B(a);SBLOCK::S(F)
      • S(b);::S(F)
      • S(b);SBLOCK::S(J)
      • S(d);::S(J)
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