MESON Chess Problem Database

Problem Display
PID: 27793 (8/1N6/2Q5/2n5/1Rpp4/Pnkp4/1b1R4/3K4 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/1N6/2Q5/2n5/1Rpp4/Pnkp4/1b1R4/3K4

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Se4
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Sa6
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Se6
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Sxb7
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Sd7
      • 2.Rxc4#
      • 2.Qxc4#
  • Tries
    • 1.Rxd3+?
      • 1...Kxd3
        • 2.Qf3#
      • 1...Sxd3
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...cxd3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sb5#
        • 2.Rxc4#
      • 1...Bxa3
        • 2.Rxc4#
      • 1...Sxd2
        • 2.Sb5#
      • 1...Sa1
        • 2.Sb5#
      • 1...Sc1
        • 2.Sb5#
      • 1...Sa5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XP(d)
      • Vars
        • K(c);P-FLIGHT,XR(B)::QAR2(E)
      • Refutation
        • P(e);P_SPINS(g),XR(B)
  • Actual
    • S(F);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);XP(C)::R1(D),XP(e)
      • S(b);XR(B)::S(F)
      • S(b);::S(F)
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