MESON Chess Problem Database

Problem Display
PID: 248145 (1n1r1n2/bQ5b/q7/p5N1/6N1/1BPk1P2/1P6/3K4 w - - 0 1)

Horowitz, T

Kashdan, Isaac

1st Prize, Metropolitan Chess League Composing Ty., 1926

1n1r1n2/bQ5b/q7/p5N1/6N1/1BPk1P2/1P6/3K4

#2

8 + 8

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Bc2#
    • 1...Qb5
      • 2.Qxb5#
    • 1...Qd6
      • 2.Qb5#
    • 1...Qf6
      • 2.Qb5#
    • 1...Qg6
      • 2.Qb5#
    • 1...Qh6
      • 2.Qb5#
    • 1...Be3
      • 2.Se5#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bg8
      • 2.Qe4#
    • 1...Sc6
      • 2.Qxa6#
    • 1...Sbd7
      • 2.Qxa6#
    • 1...Se6
      • 2.Qxh7#
    • 1...Sg6
      • 2.Qe4#
  • Tries
    • 1.Qd5+?
      • 1...Bd4
        • 2.Bc2#
      • 1...Rxd5!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Sf4#
      • 1...Qc4
        • 2.Bc2#
      • 1...Qd6
        • 2.Qb5#
      • 1...Qf6
        • 2.Qb5#
      • 1...Qh6
        • 2.Qb5#
      • 1...Rd4
        • 2.Shf2#
      • 1...Be3
        • 2.Se5#
      • 1...Se6
        • 2.Qxh7#
      • 1...Sg6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(c);SBLOCK::B(C)
    • Q(c);N_GUARD::QAB(H),XQ(c)
    • Q(c);N_GUARD::QAB(H)
    • B(d);SBLOCK::S(F)
    • B(e);N_GUARD::QAB1(H),XB(e)
    • B(e);N_GUARD::QAB1(H)
    • S(f);N_GUARD::QAB(H),XQ(c)
    • S(h);N_GUARD,S_CUTQ(c)::QAB(H),XB(e)
    • S(h);S_CUTB(e)::QAB1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • B(d);P_SPINB(d)::B(C)
      • Refutation
        • R(g);XQ(H)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(c);SBLOCK::B(C)
      • Q(c);N_GUARD::QAB(H)
      • R(g);S_CUTB(d)::S(G)
      • B(d);SBLOCK::S(F)
      • S(h);N_GUARD,S_CUTQ(c)::QAB(H),XB(e)
      • S(h);S_CUTB(e)::QAB1(H)
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