MESON Chess Problem Database

Problem Display
PID: 149378 (3Nk2K/8/6N1/2nB4/8/8/1Q6/8 w - - 0 1)

Dehler, Ernst Georg

Deutsche Schachzeitung, 1922

3Nk2K/8/6N1/2nB4/8/8/1Q6/8

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6+?
      • 1...Kxd8
        • 2.Qb8#
      • 1...Sd7!
    • 1.Qb6?
      • 1...Sd7
        • 2.Bf7#
      • 1...Sb3
        • 2.Bc6#
      • 1...Sd3
        • 2.Bc6#
      • 1...Sa4
        • 2.Bc6#
      • 1...Se4
        • 2.Bc6#
      • 1...Sa6
        • 2.Bc6#
      • 1...Se6
        • 2.Bc6#
      • 1...Sb7
        • 2.Bc6#
      • 1...Kd7!
  • Keys
    • 1.Qb8!
      • 1...Kd7
        • 2.Bc6#
      • 1...Sd7
        • 2.Bf7#
      • 1...Sb3
        • 2.Bc6#
      • 1...Sd3
        • 2.Bc6#
      • 1...Sa4
        • 2.Bc6#
      • 1...Se4
        • 2.Bc6#
      • 1...Sa6
        • 2.Bc6#
      • 1...Se6
        • 2.Bc6#
      • 1...Sb7
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(A);
      • Vars
        • S(a);SBLOCK::B(B)
        • S(a);N_GUARD::B(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::B(B)
      • S(a);SBLOCK::B(B)
      • S(a);N_GUARD::B(B)
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