MESON Chess Problem Database

Problem Display
PID: 102886 (8/4pKp1/1N1P3P/1Q3n2/1P1PkB1R/4P2R/8/8 w - - 0 1)

Mansfield, Comins

Densmore MT (Pittsburgh Gazette-Times), 1918-20

8/4pKp1/1N1P3P/1Q3n2/1P1PkB1R/4P2R/8/8

#2

11 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe3
      • 2.Bxe3#
    • 1...Sxd4
      • 2.Bh2#
      • 2.Bg5#
    • 1...Sxd6+
      • 2.Bxd6#
    • 1...Sxh6+
      • 2.Bxh6#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Sc3#
      • 1...Sxd6+
        • 2.Bxd6#
      • 1...Sxh6+
        • 2.Bxh6#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sg3!
    • 1.Rg4?
      • threat
        • 2.Bh2#
        • 2.Be5#
        • 2.Bg5#
      • 1...Sxd6+
        • 2.Bxd6#
      • 1...Sxh6+
        • 2.Bxh6#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sxd4
        • 2.Bh2#
        • 2.Bg5#
      • 1...Sh4
        • 2.Bh2#
        • 2.Bg5#
      • 1...e5
        • 2.Bh2#
        • 2.Bxe5#
        • 2.Bg5#
      • 1...g5
        • 2.Bh2#
        • 2.Be5#
        • 2.Bxg5#
      • 1...Sg3!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qb1#
      • 1...Sxd6+
        • 2.Bxd6#
      • 1...Sxh6+
        • 2.Bxh6#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sxd4
        • 2.Bh2#
      • 1...Sg3
        • 2.Bg5#

There are these versions: 21455

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,XP(A)::R(F)+B(E),XS(b)
    • S(b);CHECK,OGATE,XP(I)::R(F)+B(E),XS(b)
    • S(b);CHECK,OGATE,XP(J)::R(F)+B(E),XS(b)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • S(b);CHECK,OGATE,XP(I)::R(F)+B(E),XS(b)
        • S(b);CHECK,OGATE,XP(J)::R(F)+B(E),XS(b)
        • S(b);OGATE,XP(A)::R(F)+B(E),XS(b)
      • Refutation
        • S(b);
    • Try
      • R(F);
      • Threat
        • DUALS(3)
      • Vars
        • S(b);CHECK,OGATE,XP(I)::R(F)+B(E),XS(b)
        • S(b);CHECK,OGATE,XP(J)::R(F)+B(E),XS(b)
        • S(b);OGATE,XP(A)::R(F)+B(E),XS(b)
      • Refutation
        • S(b);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • S(b);CHECK,OGATE,XP(I)::R(F)+B(E),XS(b)
      • S(b);CHECK,OGATE,XP(J)::R(F)+B(E),XS(b)
      • S(b);OGATE,XP(A)::R(F)+B(E),XS(b)
      • S(b);N_GUARD,XP(D)::R(F)+B(E)
      • S(b);N_GUARD::R(F)+B(E)
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