MESON Chess Problem Database

Problem Display
PID: 195061 (4N3/3n4/2b1Rp2/1n1k4/N7/2pPP2B/5K2/8 w - - 0 1)

Janet, Frank

3rd HM., Pittsburgh Gazette-Times, 1918

4N3/3n4/2b1Rp2/1n1k4/N7/2pPP2B/5K2/8

#2

7 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Sc7#
    • 1...Sd4
      • 2.Sc7#
      • 2.e4#
    • 1...Sd6
      • 2.Sc7#
    • 1...Sa7
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sc5
      • 2.Sb6#
      • 2.Sxf6#
    • 1...Se5
      • 2.Sxf6#
    • 1...Sb6
      • 2.Sxf6#
    • 1...Sb8
      • 2.Sxf6#
    • 1...Sf8
      • 2.Sxf6#
  • Keys
    • 1.Re7!
      • threat
        • 2.Bg2#
      • 1...Sd4
        • 2.e4#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sc5
        • 2.Sb6#
      • 1...Se5
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(b);N_GUARD::S(G)
    • S(b);N_GUARD::S(G),XS(b)
    • S(f);N_GUARD::S(G),XP(e)
  • Actual
    • R(F);
    • Threat
      • B(D)
    • Vars
      • S(b);SBLOCK::P(C)
      • S(b);N_GUARD,SBLOCK::S(G)
      • S(f);N_GUARD,SBLOCK::S(E)
      • S(f);SBLOCK::B(D)
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