MESON Chess Problem Database

Problem Display
PID: 137501 (r2R4/pQ1N2K1/B3p3/5p2/3k2NR/2b1pp2/bp6/1q4n1 w - - 0 1)

Daniel, Arthur William

1st Prize, Source?, 1928

r2R4/pQ1N2K1/B3p3/5p2/3k2NR/2b1pp2/bp6/1q4n1

#2

7 + 12

881 The Australasian Chess Review 1929

SOLUTION

  • SOUND
  • Tries
    • 1.Sdf6+?
      • 1...Kc5
        • 2.Qb5#
      • 1...Rxd8
        • 2.Qxa7#
      • 1...Bd5!
    • 1.Qb5?
      • threat
        • 2.Qe5#
      • 1...Ke4+
        • 2.Sgf6#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Qe4
        • 2.Qc5#
      • 1...e5
        • 2.Qxe5#
      • 1...Bd5!
    • 1.Qb6+?
      • 1...Ke4+
        • 2.Sgf6#
      • 1...Kd5+
        • 2.Sdf6#
      • 1...axb6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qe5#
      • 1...Ke4+
        • 2.Sgf6#
      • 1...Kd5+
        • 2.Sdf6#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Qe4
        • 2.Qc5#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(h);P_PINS(E),S_FLIGHT::QAR1(D)
        • R(l);XR(G)::QAB(D),XP(k)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(h);CHECK,P-FLIGHT::R(B)+S(A),DCHECK
        • B(c);N_GUARD::QAR1(D),XB(c)
        • Q(a);SBLOCK::QAB1(D)
        • P(j);::QAB1(D),XP(j)
      • Refutation
        • B(c);
    • Try
      • Q(D);CHECK
      • Vars
        • K(h);CHECK,P-FLIGHT::R(B)+S(A),DCHECK
        • K(h);CHECK,P-FLIGHT::R(G)+S(E),DCHECK
      • Refutation
        • P(k);XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAB1(D)
    • Vars
      • K(h);CHECK,P-FLIGHT::R(B)+S(A),DCHECK
      • K(h);CHECK,P-FLIGHT::R(G)+S(E),DCHECK
      • B(c);N_GUARD::QAR1(D),XB(c)
      • Q(a);SBLOCK::QAB1(D)
      • P(j);::QAB1(D),XP(j)
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