MESON Chess Problem Database

Problem Display
PID: 60197 (5RB1/6P1/5B2/3N1k1p/KQ3p1P/R5nP/6r1/2b1rn1b w - - 0 1)

Smith, William James

1st Highly Comm., Brisbane Courier, 1932

5RB1/6P1/5B2/3N1k1p/KQ3p1P/R5nP/6r1/2b1rn1b

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Se7#
    • 1...Re6
      • 2.Bh7#
    • 1...Re7
      • 2.Sxe7#
    • 1...Be3
      • 2.Se7#
    • 1...Se3
      • 2.Se7#
    • 1...Se2
      • 2.Se7#
      • 2.Qb1#
    • 1...Se4
      • 2.Se7#
  • Tries
    • 1.Bd4+?
      • 1...Ke4
        • 2.Ba1#
        • 2.Bb2#
      • 1...Kg6!
    • 1.Be5+?
      • 1...Kg6
        • 2.Qd6#
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Be7+?
      • 1...Ke5
        • 2.Bd6#
      • 1...Kg6!
    • 1.Bd8+?
      • 1...Ke5
        • 2.Bc7#
      • 1...Kg6!
    • 1.Qd6?
      • threat
        • 2.Bh7#
      • 1...Re4+
        • 2.Bd4#
      • 1...Ke4
        • 2.Qe5#
        • 2.Qe6#
      • 1...Kg6
        • 2.Be5#
      • 1...Se4
        • 2.Se7#
      • 1...Se2!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Bh7#
      • 1...Re4+
        • 2.Bd4#
      • 1...Ke4
        • 2.Qe6#
      • 1...Kg6
        • 2.Be5#
      • 1...Se2
        • 2.Qb1#
      • 1...Se4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD::S(F)
    • R(b);SBLOCK::B(J)
    • R(b);N_GUARD::S(F),XR(b)
    • B(a);S_CUTR(b)::S(F)
    • S(c);S_CUTR(b)::S(F)
    • S(f);S_CUTR(b)::S(F)
  • Tries
    • Try
      • B(G);CHECK
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • B(G);CHECK
      • Refutation
        • K(h);P-FLIGHT,XB(G)
    • Try
      • B(G);CHECK
      • Vars
        • K(h);P-FLIGHT::B(G)
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(h);P-FLIGHT::B(G)
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • B(J)
      • Vars
        • R(b);CHECK,SBLOCK::R(I)+B(G)
        • K(h);S_FLIGHT::QAR(D)+B(G)
        • S(f);SBLOCK,S_CUTR(b)::S(F)
      • Refutation
        • S(f);
  • Actual
    • Q(D);
    • Threat
      • B(J)
    • Vars
      • R(b);CHECK,SBLOCK::R(I)+B(G)
      • K(h);S_FLIGHT::QAR2(D)
      • K(h);S_FLIGHT::QAR(D)+B(G)
      • S(f);N_GUARD,S_CUTR(b),S_CUTR(e)::QAB(D)
      • S(f);SBLOCK,S_CUTR(b)::S(F)
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