MESON Chess Problem Database

Problem Display
PID: 121110 (2q5/8/2B5/8/8/P1k1P3/1N1N4/2K5 w - - 0 1)

Niemeijer, Meindert

Inspanning en Ontspanning, 1969

2q5/8/2B5/8/8/P1k1P3/1N1N4/2K5

#2

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • threat
        • 2.Sb1#
        • 2.Se4#
      • 1...Qg4
        • 2.Sb1#
      • 1...Qe6
        • 2.Sb1#
      • 1...Qb7
        • 2.Sb1#
      • 1...Qc4
        • 2.Sb1#
      • 1...Qc6
        • 2.Sb1#
      • 1...Qa8
        • 2.Sb1#
      • 1...Qe8
        • 2.Sb1#
      • 1...Qf5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Sd1#
        • 2.Sa4#
      • 1...Qg4
        • 2.Sa4#
      • 1...Qa6
        • 2.Sd1#
      • 1...Qd7
        • 2.Sd1#
      • 1...Qc4
        • 2.Sd1#
      • 1...Qc6
        • 2.Sd1#
      • 1...Qa8
        • 2.Sd1#
      • 1...Qe8
        • 2.Sd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);::S(C)
      • Refutation
        • Q(b);
  • Actual
    • B(F);
    • Threat
      • DUALS(2)
    • Vars
      • Q(b);::S(B)
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