MESON Chess Problem Database

Problem Display
PID: 149320 (7r/3p4/8/8/1PR2PQ1/4P1b1/7P/Bk3K2 w - - 0 1)

Ott, Hans

Tribune de Geneve, 1925

7r/3p4/8/8/1PR2PQ1/4P1b1/7P/Bk3K2

#3

8 + 4

15158 Hans Ott Schachprobleme (Kummer) 1986

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa1
      • 2.Rc2
        • threat
          • 3.Qd1#
        • 2...Kb1
          • 3.Qd1#
    • 1...Ra8
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
        • 2...Rxa1
          • 3.Qc2#
        • 2...Ra2
          • 3.Qd1#
    • 1...Rc8
      • 2.Qg7
        • threat
          • 3.Qb2#
        • 2...Ka2
          • 3.Qb2#
    • 1...Rd8
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
      • 2.Qg7
        • threat
          • 3.Qb2#
        • 2...Ka2
          • 3.Qb2#
    • 1...Re8
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
    • 1...Rg8
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
    • 1...Bf2
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
      • 2.Qg7
        • threat
          • 3.Qb2#
        • 2...Ka2
          • 3.Qb2#
    • 1...Bxh2
      • 2.Qe2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
      • 2.Qg2
        • threat
          • 3.Qb2#
        • 2...Kxa1
          • 3.Rc1#
      • 2.Qg7
        • threat
          • 3.Qb2#
        • 2...Ka2
          • 3.Qb2#
  • Tries
    • 1.Rc2?
      • threat
        • 2.Qd1#
      • 1...Kxa1
        • 2.Qd1#
      • 1...Kxc2!
    • 1.Qe2?
      • threat
        • 2.Qb2#
      • 1...Kxa1
        • 2.Rc1#
      • 1...Rxh2!
    • 1.Qg7?
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Rxh2!
  • Keys
    • 1.b5!
      • threat
        • 2.Qd1+
          • 2...Ka2
            • 3.Ra4#
      • 1...Kxa1
        • 2.Rc2
          • threat
            • 3.Qd1#
          • 2...Kb1
            • 3.Qd1#
      • 1...Ka2
        • 2.Ra4+
          • 2...Kb1
            • 3.Qd1#
          • 2...Kb3
            • 3.Qd1#
      • 1...Ra8
        • 2.Qe2
          • threat
            • 3.Qb2#
          • 2...Kxa1
            • 3.Rc1#
          • 2...Rxa1
            • 3.Qc2#
          • 2...Ra2
            • 3.Qd1#

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