MESON Chess Problem Database

Problem Display
PID: 159078 (1N6/8/1p6/1P6/kp1N4/3P1B2/1P6/K7 w - - 0 1)

Lassahn, Holger

Schwabische Zeitung, 2000

1N6/8/1p6/1P6/kp1N4/3P1B2/1P6/K7

#2

7 + 3

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Bd1+?
      • 1...Ka5
        • 2.Sbc6#
      • 1...b3!
    • 1.b3+?
      • 1...Ka5
        • 2.Sbc6#
      • 1...Ka3!
  • Keys
    • 1.Sb3!
      • 1...Kxb3
        • 2.Bd1#
      • 1...Kxb5
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(G)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::S(G)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(E)::B(D)
      • K(a);OGATEB,S_FLIGHT,XP(F)::B(D)
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