MESON Chess Problem Database

Problem Display
PID: 243777 (3b3R/3k4/pp1NRp2/3P1B2/4K3/8/8/8 w - - 0 1)

Bie, Hans Petter

Skakbladet, 1999

3b3R/3k4/pp1NRp2/3P1B2/4K3/8/8/8

#2

6 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Re5#
        • 2.Ree8#
      • 1...Kc8
        • 2.Rxb6#
      • 1...Be7
        • 2.Re5#
        • 2.Rxb6#
        • 2.Rc6#
        • 2.Rd6#
        • 2.Rxf6#
      • 1...axb5!
  • Keys
    • 1.Se8!
      • threat
        • 2.Re5#
      • 1...Kc8
        • 2.Rxb6#
      • 1...Bc7
        • 2.Sxf6#
      • 1...Be7
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P_SPINB(e),S_FLIGHT::B(C)+R(E),XP(b)
      • Refutation
        • P(a);XS(D)
  • Actual
    • S(D);
    • Threat
      • B(C)+R(E)
    • Vars
      • K(d);S_FLIGHT::B(C)+R(E),XP(b)
      • B(e);N_GUARD,SBLOCK::S(D),XP(c)
      • B(e);SBLOCK::B(C)+R(E),DCHECK
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