MESON Chess Problem Database

Problem Display
PID: 130638 (2N5/7b/2p2r2/2k2n1R/2P5/1BP2N2/8/1K6 w - - 0 1)

Lokker, Miklosh S

Tipografia TE TT, 1966

2N5/7b/2p2r2/2k2n1R/2P5/1BP2N2/8/1K6

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg6
      • 2.Rxf5#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sd3#
        • 2.Sd7#
      • 1...Se3+
        • 2.Sd3#
      • 1...Sg3+
        • 2.Sd3#
      • 1...Sd4+
        • 2.Sd3#
      • 1...Sh4+
        • 2.Sd3#
      • 1...Sd6+
        • 2.Sd3#
      • 1...Sh6+
        • 2.Sd3#
      • 1...Se7+
        • 2.Sd3#
      • 1...Sg7+
        • 2.Sd3#
      • 1...Rf7
        • 2.Sd3#
      • 1...Rd6!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se4#
      • 1...Re6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD,S_CUTB(e)::R(F),XS(b)
  • Tries
    • Try
      • S(D);N_PINS(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);CHECK::R(F)+S(D),DCHECK
        • R(d);::S(D)
      • Refutation
        • R(d);
  • Actual
    • S(D);N_PINS(b)
    • Threat
      • S(D)
    • Vars
      • R(d);N_GUARD::S(D),XR(d)
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