MESON Chess Problem Database

Problem Display
PID: 76472 (8/8/8/K7/3N4/p1Q1N3/b7/1k6 w - - 0 1)

Cafferata, Louis William

The Tablet, 1932

(First published on Sat Jan 9 1932)

8/8/8/K7/3N4/p1Q1N3/b7/1k6

#2

4 + 3

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sec2?
      • threat
        • 2.Sxa3#
        • 2.Qa1#
      • 1...Bb3
        • 2.Qa1#
      • 1...Bc4
        • 2.Qa1#
      • 1...Bd5
        • 2.Qa1#
      • 1...Be6
        • 2.Qa1#
      • 1...Bf7
        • 2.Qa1#
      • 1...Bg8
        • 2.Qa1#
      • 1...Kc1!
    • 1.Qb4+?
      • 1...Ka1
        • 2.Sec2#
        • 2.Sdc2#
      • 1...Kc1
        • 2.Se2#
      • 1...Bb3!
    • 1.Qb3+?
      • 1...Ka1
        • 2.Sec2#
        • 2.Sdc2#
      • 1...Kc1
        • 2.Qc2#
      • 1...Bxb3!
  • Keys
    • 1.Sdc2!
      • threat
        • 2.Sxa3#
        • 2.Qa1#
      • 1...Kc1
        • 2.Sxa3#
      • 1...Bb3
        • 2.Qa1#
      • 1...Bc4
        • 2.Qa1#
      • 1...Bd5
        • 2.Qa1#
      • 1...Be6
        • 2.Qa1#
      • 1...Bf7
        • 2.Qa1#
      • 1...Bg8
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XQ(A)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR(A)+S(C),XP(c)
      • B(b);::QAR1(A)
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