MESON Chess Problem Database

Problem Display
PID: 166687 (1Q6/4K3/bp6/kp6/1p6/1p6/1N6/8 w - - 0 1)

Rubens, Nathan

Pittsburgh Sun, 1925

(First published on Sat Sep 12 1925)

1Q6/4K3/bp6/kp6/1p6/1p6/1N6/8

#3

3 + 6

14986 White-Hume Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kd7?
      • 1...Bc8+
        • 2.Kxc8
          • 2...Ka6
            • 3.Qa8#
      • 1...Bb7!
    • 1.Kd8?
      • 1...Bc8
        • 2.Kxc8
          • 2...Ka6
            • 3.Qa8#
      • 1...Bb7!
    • 1.Qg3?
      • threat
        • 2.Qe1
          • threat
            • 3.Qa1#
        • 2.Qg1
          • threat
            • 3.Qa1#
        • 2.Qxb3
          • threat
            • 3.Qa2#
      • 1...Bb7
        • 2.Qe1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
        • 2.Qg1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qf4?
      • threat
        • 2.Qc1
          • threat
            • 3.Qa1#
        • 2.Qf1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qc1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
        • 2.Qf1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qe5?
      • threat
        • 2.Sc4+
          • 2...Ka4
            • 3.Qa1#
        • 2.Qe1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Sc4+
          • 2...Ka4
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
        • 2.Qe1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qd6?
      • threat
        • 2.Qd1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qd1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qc7?
      • threat
        • 2.Qc1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qc1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qc8?
      • threat
        • 2.Qc1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qc1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bxc8!
    • 1.Qd8?
      • threat
        • 2.Qd1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qd1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qf8?
      • threat
        • 2.Qf1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qf1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qg8?
      • threat
        • 2.Qxb3
          • threat
            • 3.Qa2#
        • 2.Qg1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qg1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8!
    • 1.Qh8?
      • threat
        • 2.Qh1
          • threat
            • 3.Qa1#
      • 1...Bc8
        • 2.Qh1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa8#
      • 1...Bb7!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qg1
          • threat
            • 3.Qa1#
        • 2.Qh1
          • threat
            • 3.Qa1#
      • 1...Bb7
        • 2.Qg1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Bc8
        • 2.Qh1
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa8#

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