MESON Chess Problem Database

Problem Display
PID: 245985 (4B3/N7/nP6/k7/N1K1Q3/8/8/8 w - - 0 1)

Paslack, Rainer

Europa-Rochade, 2004

4B3/N7/nP6/k7/N1K1Q3/8/8/8

#2

6 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5?
      • threat
        • 2.Sc6#
      • 1...Sb8
        • 2.Qe1#
      • 1...Sb4!
  • Keys
    • 1.Qa8!
      • 1...Sb4
        • 2.Sc6#
      • 1...Sc5
        • 2.Sc6#
      • 1...Sc7
        • 2.Sc6#
      • 1...Sb8
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • S(E)
      • Vars
        • S(b);N_GUARD::QAB(C)
      • Refutation
        • S(b);
  • Actual
    • Q(C);
    • Vars
      • S(b);::QAR(C)+S(E),DCHECK
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