MESON Chess Problem Database

Problem Display
PID: 27329 (8/BN6/N7/8/Q1p1r3/2kp4/K2p4/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/BN6/N7/8/Q1p1r3/2kp4/K2p4/8

#2

5 + 5

SOLUTION

  • SOUND
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sxe4#
        • 2.Sb5#
      • 1...d1Q
        • 2.Sxe4#
      • 1...d1S
        • 2.Sxe4#
      • 1...d1B
        • 2.Sxe4#
      • 1...d1R
        • 2.Sxe4#
      • 1...Re1
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Re2
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Re3
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Rd4
        • 2.Sb5#
      • 1...Rf4
        • 2.Sb5#
      • 1...Rg4
        • 2.Sb5#
      • 1...Rh4
        • 2.Sb5#
      • 1...Re5
        • 2.Qxc4#
      • 1...Re6
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Re7
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Re8
        • 2.Sb5#
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);::S(E),XR(e)
      • R(e);::S(E)
      • R(e);N_GUARD::QAR1(B),XP(d)
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