MESON Chess Problem Database

Problem Display
PID: 125624 (K1N5/1n6/1P6/N1pk2pP/P3R1P1/2pP1Pp1/1Pr3r1/3Q4 w - - 0 1)

Jahn, Gunther

Canadian Chess Chat, 1981

K1N5/1n6/1P6/N1pk2pP/P3R1P1/2pP1Pp1/1Pr3r1/3Q4

#4

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qa2+
          • 2...c4
            • 3.Qxc4#
      • 1...Rxb2
        • 2.Re5+
          • 2...Kxe5
            • 3.d4+
              • 3...Kxd4
                • 4.Qe4#
              • 3...Kf4
                • 4.Qe4#
              • 3...Kd5
                • 4.Qe4#
              • 3...Ke6
                • 4.Qf5#
              • 3...Kf6
                • 4.Qg6#
              • 3...cxd4
                • 4.Qf5#
      • 1...Sxa5
        • 2.Qa2+
          • 2...Sb3
            • 3.Qxb3+
              • 3...Kc6
                • 4.Qe6#
              • 3...c4
                • 4.Qxc4#
                • 4.Qb5#
          • 2...Sc4
            • 3.Qxc4+
              • 3...Kc6
                • 4.Qe6#
          • 2...c4
            • 3.Qa3
              • threat
                • 4.Se7#
                • 4.Qd6#
              • 3...Kc6
                • 4.Qd6#
      • 1...cxb2
        • 2.Qa2+
          • 2...c4
            • 3.dxc4+
              • 3...Kc5
                • 4.Qa3#
              • 3...Rxc4
                • 4.Qxc4#

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