MESON Chess Problem Database

Problem Display
PID: 258236 (8/6K1/p7/k1NPN3/P7/1P6/8/7Q w - - 0 1)

Biddle, WT

English Mechanic and World of Science, 1890

(First published on Fri Aug 1 1890)

8/6K1/p7/k1NPN3/P7/1P6/8/7Q

#3

7 + 2

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • 1...Kb4
        • 2.Scd3+
          • 2...Ka3
            • 3.Sc4#
            • 3.Qb2#
          • 2...Kc3
            • 3.Qb2#
          • 2...Ka5
            • 3.Sc4#
      • 1...Kb6!
    • 1.Qc1?
      • 1...Kb4
        • 2.Sc6#
      • 1...Kb6!
    • 1.Qg1?
      • 1...Kb4
        • 2.Sc6+
          • 2...Ka3
            • 3.Qa1#
          • 2...Kc3
            • 3.Qc1#
      • 1...Kb6!
    • 1.Qh8?
      • 1...Kb6
        • 2.Scd7+
          • 2...Ka5
            • 3.Sc6#
          • 2...Ka7
            • 3.Qb8#
          • 2...Kb7
            • 3.Qb8#
          • 2...Kc7
            • 3.Qb8#
      • 1...Kb4!
    • 1.b4+?
      • 1...Kb6
        • 2.d6
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Kxb4!
    • 1.d6?
      • 1...Kb6
        • 2.Sed7+
          • 2...Ka5
            • 3.Qe1#
          • 2...Ka7
            • 3.Qb7#
        • 2.b4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Kb4!
  • Keys
    • 1.Qh2!
      • 1...Kb4
        • 2.Sed3+
          • 2...Ka3
            • 3.Qb2#
          • 2...Kc3
            • 3.Qb2#
          • 2...Ka5
            • 3.Qc7#
      • 1...Kb6
        • 2.Sed7+
          • 2...Ka5
            • 3.Qd2#
          • 2...Ka7
            • 3.Qb8#

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