MESON Chess Problem Database

Problem Display
PID: 177257 (B7/B7/R7/1P6/1K4pp/7p/6qp/Q5bk w - - 0 1)

Renn, Albert

Schach-Echo, 1973

B7/B7/R7/1P6/1K4pp/7p/6qp/Q5bk

#4

6 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Ra2!
      • threat
        • 2.Qf1
          • threat
            • 3.Bxg2+
              • 3...hxg2
                • 4.Qxg2#
            • 3.Qxg2+
              • 3...hxg2
                • 4.Bxg2#
            • 3.Rxg2
              • threat
                • 4.Rxg1#
                • 4.Ra2#
                • 4.Rb2#
                • 4.Rc2#
                • 4.Rd2#
                • 4.Re2#
                • 4.Rf2#
                • 4.Rg3#
                • 4.Rxg4#
              • 3...hxg2
                • 4.Bxg2#
                • 4.Qxg2#
          • 2...Qxa8
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
          • 2...Qf3
            • 3.Bxf3+
              • 3...gxf3
                • 4.Qxf3#
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
            • 3.Qxf3+
              • 3...gxf3
                • 4.Bxf3#
      • 1...g3
        • 2.Bd4
          • 2...Qxa8
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Qxa8#
          • 2...Qf3
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Bxf3#
          • 2...Qe4
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Bxe4#
          • 2...Qd5
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Bxd5#
          • 2...Qc6
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Bxc6#
          • 2...Qb7
            • 3.Rxh2+
              • 3...Kxh2
                • 4.Qxg1#
              • 3...gxh2
                • 4.Bxb7#

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