Problem Display
PID: 19968 (4nKn1/1Q6/2p2P2/1p6/6r1/2P1B3/1N1Np1b1/4k3 w - - 0 1)

Kockelkorn, Carl

Kohtz, Johannes

Festschrift des Akademischen Schachklubs Munchen, 1911

4nKn1/1Q6/2p2P2/1p6/6r1/2P1B3/1N1Np1b1/4k3

#4

7 + 8


5007 Zadachi i Etyudi 1928
78 Bulletin Ouvrier des Echecs 1953
3147 Chess Problems: Introduction to an Art 1963
6479 Problemschach (Sidler) 1968
5066 Classic Chess Problems by Pioneer Composers 1970
102 Probleemblad 1974
14583 Hans + Peter + Rehm = Schach 1994
145 StrateGems 1999
328 Schweizerische Schachzeitung 2000
23 Die Schwalbe 2010
23 Die Schwalbe 2012
23 Die Schwalbe 2017

SOLUTION


  • SOUND
  • Keys
    • 1.Qf7!
      • threat
        • 2.Sd3+
          • 2...Kd1
            • 3.Qb3#
      • 1...Rb4
        • 2.cxb4
          • threat
            • 3.Sd3+
              • 3...Kd1
                • 4.Qb3#
            • 3.Qh5
              • threat
                • 4.Qh4#
            • 3.Qg6
              • threat
                • 4.Qb1#
                • 4.Qg3#
            • 3.Qh7
              • threat
                • 4.Qb1#
                • 4.Qh4#
        • 2.Qa2
          • threat
            • 3.Qb1#
            • 3.Qa1#
          • 2...Rxb2
            • 3.Qa1+
              • 3...Rb1
                • 4.Qxb1#
            • 3.Qxb2
              • threat
                • 4.Qa1#
                • 4.Qc1#
                • 4.Qb1#
              • 3...Kd1
                • 4.Qb1#
          • 2...Be4
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
      • 1...Rd4
        • 2.cxd4
          • threat
            • 3.Sd3+
              • 3...Kd1
                • 4.Qb3#
            • 3.Qh5
              • threat
                • 4.Qh4#
            • 3.Qg6
              • threat
                • 4.Qb1#
                • 4.Qg3#
            • 3.Qh7
              • threat
                • 4.Qb1#
                • 4.Qh4#
        • 2.Qg6
          • threat
            • 3.Qb1#
            • 3.Qg3#
          • 2...Rxd2
            • 3.Qg3+
              • 3...Kf1
                • 4.Qf2#
            • 3.Qxg2
              • threat
                • 4.Bf2#
                • 4.Qh1#
                • 4.Qg1#
                • 4.Qf2#
      • 1...Be4
        • 2.Qa2
          • threat
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bc2
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
              • 3...Bd1
                • 4.Sd3#
          • 2...Bd3
            • 3.Sxd3+
              • 3...Kd1
                • 4.Qb1#
                • 4.Qb3#
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bf5
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bg6
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bh7
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
        • 2.Qa7
          • threat
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bb1
            • 3.Qa1
              • threat
                • 4.Qxb1#
          • 2...Bc2
            • 3.Bf2+
              • 3...Kxd2
                • 4.Qe3#
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
              • 3...Bd1
                • 4.Sd3#
          • 2...Bd3
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bf5
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bg6
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
          • 2...Bh7
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#
      • 1...Bd5
        • 2.Qa7
          • threat
            • 3.Qa1#
          • 2...Ra4
            • 3.Qh7
              • threat
                • 4.Qb1#
              • 3...Ra1
                • 4.Qh4#
              • 3...Re4
                • 4.Qh1#
              • 3...Ba2
                • 4.Qh1#
              • 3...Bb3
                • 4.Qh1#
              • 3...Be4
                • 4.Qh4#
          • 2...Ba2
            • 3.Qxa2
              • threat
                • 4.Qb1#
                • 4.Qa1#
          • 2...Bb3
            • 3.Qa1+
              • 3...Bd1
                • 4.Sd3#
          • 2...Be4
            • 3.Qa1+
              • 3...Bb1
                • 4.Qxb1#

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