MESON Chess Problem Database

Problem Display
PID: 24442 (8/1n3p1r/N1B1k3/1n4Qp/1B6/3b4/7K/8 w - - 0 1)

Gold, Samuel

Checkmate, 1903

8/1n3p1r/N1B1k3/1n4Qp/1B6/3b4/7K/8

#2

5 + 7

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Qe7#
    • 1...Sa3
      • 2.Sc7#
    • 1...Sc3
      • 2.Sc7#
    • 1...Sd4
      • 2.Sc7#
    • 1...S5d6
      • 2.Sc7#
    • 1...Sa7
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...S7d6
      • 2.Sc5#
    • 1...f6
      • 2.Qd5#
  • Tries
    • 1.Be7?
      • threat
        • 2.Qf6#
      • 1...f6
        • 2.Qxf6#
      • 1...Rh6!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qe5#
      • 1...Kxd6
        • 2.Qf6#
      • 1...S5xd6
        • 2.Sc7#
      • 1...S7xd6
        • 2.Sc5#
      • 1...f5
        • 2.Qg6#
      • 1...f6
        • 2.Qd5#
      • 1...Bf5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(a);SBLOCK::QAR1(C)
    • S(b);N_GUARD::S(D)
    • S(b);N_GUARD::S(D),XS(b)
    • S(e);N_GUARD,SBLOCK::S(D)
    • P(f);SBLOCK::QAB1(C)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(C)
      • Vars
        • P(f);::QAR1(C),XP(f)
      • Refutation
        • R(g);
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT,XB(B)::QAR2(C)
      • S(b);N_GUARD,SBLOCK,XB(B)::S(D)
      • S(e);N_GUARD,SBLOCK,XB(B)::S(D)
      • P(f);N_GUARD,S_CUTB(a)::QAR2(C)
      • P(f);SBLOCK::QAB1(C)
      • B(a);SBLOCK::QAR1(C)
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Developed and maintained by Brian Stephenson.
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