MESON Chess Problem Database

Problem Display
PID: 208103 (3N1r2/1p3p2/3p1nn1/3Pk1PQ/4P3/4KPp1/8/8 w - - 0 1)

Teed, E

Dubuque Chess Journal, 1874

3N1r2/1p3p2/3p1nn1/3Pk1PQ/4P3/4KPp1/8/8

#2

7 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re8
      • 2.Sxf7#
    • 1...Rg8
      • 2.Sxf7#
    • 1...Rh8
      • 2.Sxf7#
    • 1...Sh4
      • 2.f4#
    • 1...Se7
      • 2.f4#
    • 1...Sh8
      • 2.f4#
    • 1...b5
      • 2.Sc6#
    • 1...b6
      • 2.Sc6#
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qxf6#
      • 1...Rxh8
        • 2.Sxf7#
      • 1...Sxh8
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD::S(G),XP(g)
    • S(e);N_GUARD::P(B)
    • P(f);N_GUARD::S(G)
  • Actual
    • Q(F);P_PINS(d)
    • Threat
      • QAB1(F),XS(d)
    • Vars
      • R(h);N_GUARD,N_SPINS(d),XQ(F)::S(G),XP(g)
      • S(e);N_GUARD,N_SPINS(d),XQ(F)::P(B)
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