MESON Chess Problem Database

Problem Display
PID: 229848 (2N4K/6nP/p2p2p1/p7/6rn/B1R5/pp1PP2p/rk4bQ w - - 0 1)

Jakubzik, Alfred

Usath, Walter

Die Schwalbe, 1932

2N4K/6nP/p2p2p1/p7/6rn/B1R5/pp1PP2p/rk4bQ

#4

8 + 13

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxb2#
      • 1...Rb4
        • 2.Qc6
          • threat
            • 3.Rc1+
              • 3...bxc1Q
                • 4.Qxc1#
              • 3...bxc1S
                • 4.Qxc1#
              • 3...bxc1B
                • 4.Qxc1#
              • 3...bxc1R
                • 4.Qxc1#
          • 2...Rc4
            • 3.Qxc4
              • threat
                • 4.Qd3#
                • 4.Qe4#
          • 2...Bc5
            • 3.Qd5
              • threat
                • 4.Qd3#
              • 3...Rd4
                • 4.Qh1#
              • 3...Bd4
                • 4.Qe4#
      • 1...Bb6
        • 2.Sxb6
          • threat
            • 3.Qh1+
              • 3...Rg1
                • 4.Qe4#
            • 3.Sa4
              • threat
                • 4.Qxb2#
              • 3...Rb4
                • 4.Qh1#
            • 3.Sc4
              • threat
                • 4.Qxb2#
            • 3.Sd7
              • threat
                • 4.Qxb2#
              • 3...Rb4
                • 4.Qh1#
            • 3.Sa8
              • threat
                • 4.Qxb2#
              • 3...Rb4
                • 4.Qh1#
            • 3.Sc8
              • threat
                • 4.Qxb2#
              • 3...Rb4
                • 4.Qh1#
          • 2...h1Q
            • 3.Qxh1+
              • 3...Rg1
                • 4.Qe4#
                • 4.Qxg1#
          • 2...h1B
            • 3.Qxh1+
              • 3...Rg1
                • 4.Qe4#
                • 4.Qxg1#
          • 2...Rf4
            • 3.Qh1+
              • 3...Rf1
                • 4.Qe4#
                • 4.Qxf1#
        • 2.d4
          • threat
            • 3.Qh1+
              • 3...Rg1
                • 4.Qe4#
            • 3.Qxb6
              • threat
                • 4.Qxb2#
          • 2...Rxd4
            • 3.Qh1+
              • 3...Rd1
                • 4.Qxd1#
          • 2...h1Q
            • 3.Qxh1+
              • 3...Rg1
                • 4.Qe4#
                • 4.Qxg1#
          • 2...Rf4
            • 3.Qh1+
              • 3...Rf1
                • 4.Qe4#
                • 4.Qxf1#

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