MESON Chess Problem Database

Problem Display
PID: 124251 (n5BK/3RB3/1p1b4/1pkp2N1/1pP4R/4pp2/2N1q3/5Q2 w - - 0 1)

Barth, Michael

Source?, 0000

n5BK/3RB3/1p1b4/1pkp2N1/1pP4R/4pp2/2N1q3/5Q2

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc7
      • 2.Rxc7#
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Se6#
        • 2.Re6#
        • 2.Rf6#
        • 2.Rg6#
        • 2.Rdh6#
      • 1...dxc4
        • 2.Se4#
        • 2.Se6#
        • 2.Rf6#
        • 2.Rg6#
        • 2.Rdh6#
      • 1...Qh2
        • 2.Se6#
      • 1...Sc7
        • 2.Re6#
        • 2.Rf6#
        • 2.Rg6#
        • 2.Rdh6#
      • 1...d4
        • 2.Se4#
        • 2.Rf6#
        • 2.Rg6#
        • 2.Rdh6#
      • 1...bxc4!
  • Keys
    • 1.cxd5!
      • threat
        • 2.Bxd6#
      • 1...Bxe7
        • 2.Se6#
      • 1...Qh2
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(j);N_GUARD::R(F),XS(j)
  • Tries
    • Try
      • R(F);XB(i)
      • Threat
        • DUALS(5)
      • Vars
        • Q(a);P_PINR(D)::S(E)
      • Refutation
        • P(e);XP(C)
  • Actual
    • P(C);XP(g)
    • Threat
      • B(G),XB(i)
    • Vars
      • B(i);N_SPINB(i),XB(G)::S(E)
      • Q(a);P_PINR(D)::S(E)
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