MESON Chess Problem Database

Problem Display
PID: 223118 (8/4q3/3Nr3/2rNk3/1ppRpR2/4K3/4P3/8 w - - 0 1)

Cook, Eugene Beauharnais

Philadelphia Times, 1885

8/4q3/3Nr3/2rNk3/1ppRpR2/4K3/4P3/8

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qh4
      • 2.Sf7#
    • 1...Qg5
      • 2.Sf7#
    • 1...Qd8
      • 2.Sf7#
    • 1...Qf7
      • 2.Sxf7#
    • 1...Ra5
      • 2.Sxc4#
    • 1...Rb5
      • 2.Sxc4#
    • 1...Rxd5
      • 2.Sxc4#
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sg4#
        • 2.Rf5#
      • 1...Qxd6
        • 2.Sg4#
        • 2.Rdxe4#
      • 1...Qxf6
        • 2.Rfxe4#
      • 1...Rxd6
        • 2.Rdxe4#
      • 1...Rxf6
        • 2.Rfxe4#
      • 1...Rd5
        • 2.Sxc4#
        • 2.Rxd5#
      • 1...Qg7
        • 2.Rf5#
      • 1...Qh7
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • Q(g);N_GUARD::S(F)
    • Q(g);N_GUARD,P_PINR(D)::S(F)
    • Q(g);N_GUARD::S(F),XQ(g)
    • R(d);N_GUARD::S(F),XP(b)
    • R(d);N_GUARD,XS(E)::S(F),XP(b)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • Q(g);SBLOCK,XS(E)::R1(D),XP(c)
      • R(f);SBLOCK,XS(F)::R1(C),XP(c)
      • R(f);SBLOCK,XS(E)::R1(D),XP(c)
      • Q(g);::R1(D)
      • Q(g);::S(E)
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