MESON Chess Problem Database

Problem Display
PID: 27136 (1nn5/3p4/2p5/r1N2Q2/2PkN1K1/4p3/4p3/4B1b1 w - - 0 1)

Jacobs, Walter William

1st Prize, American Chess Bulletin, 1940

1nn5/3p4/2p5/r1N2Q2/2PkN1K1/4p3/4p3/4B1b1

#3

6 + 9

5088 How to Solve Chess Problems 1945
5063 Spectacular Chess Problems 1965
56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Qe5+
        • 2...Kxc4
          • 3.Sd6#
        • 2...Kxe5
          • 3.Bc3#
    • 1...Sd6
      • 2.Qe5+
        • 2...Kxc4
          • 3.Sxd6#
        • 2...Kxe5
          • 3.Bc3#
    • 1...Sa7
      • 2.Qe5+
        • 2...Kxc4
          • 3.Sd6#
        • 2...Kxe5
          • 3.Bc3#
    • 1...Se7
      • 2.Qe5+
        • 2...Kxc4
          • 3.Sd6#
        • 2...Kxe5
          • 3.Bc3#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Sf2+
          • 2...Kxc4
            • 3.Qd3#
        • 2.Sec5+
          • 2...Kxc4
            • 3.Qd3#
      • 1...Kxc4!
    • 1.Qxd7+?
      • 1...Sd6
        • 2.Qxd6+
          • 2...Kxc4
            • 3.Qd3#
      • 1...Sxd7!
    • 1.Qe5+?
      • 1...Kxe5
        • 2.Bc3#
      • 1...Kxc4!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Bb4
          • threat
            • 3.Sd2#
            • 3.Sf2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sg5#
            • 3.Sd6#
            • 3.Sf6#
          • 2...Kxc4
            • 3.Sc3#
          • 2...Sd6
            • 3.Sxd6#
      • 1...Kxc4
        • 2.Sf6+
          • 2...Kb5
            • 3.Qb4#
          • 2...Kxc5
            • 3.Qb4#
      • 1...Ra4
        • 2.Sc3+
          • 2...Kxc5
            • 3.Sxa4#
      • 1...Rb5
        • 2.Sc3+
          • 2...Kxc5
            • 3.Sa4#
      • 1...Bf2
        • 2.Bb4
          • threat
            • 3.Sd2#
            • 3.Sxf2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sg5#
            • 3.Sd6#
            • 3.Sf6#
          • 2...Kxc4
            • 3.Sc3#
          • 2...Bg3
            • 3.Sxg3#
          • 2...Sd6
            • 3.Sxd6#
      • 1...Bh2
        • 2.Qxe3+
          • 2...Kxe3
            • 3.Bf2#
          • 2...Kxc4
            • 3.Qd3#
          • 2...Ke5
            • 3.Bc3#
            • 3.Qc3#
      • 1...Sa6
        • 2.Sf6+
          • 2...Kxc5
            • 3.Sxd7#
      • 1...Sb6
        • 2.Sf2+
          • 2...Kxc5
            • 3.Sd3#
        • 2.Sd6+
          • 2...Kxc5
            • 3.Sb7#
        • 2.Qe5+
          • 2...Kxc4
            • 3.Sd6#
          • 2...Kxe5
            • 3.Bc3#
      • 1...Sd6
        • 2.Qe5+
          • 2...Kxc4
            • 3.Sxd6#
          • 2...Kxe5
            • 3.Bc3#
        • 2.Qxd6+
          • 2...Kxc4
            • 3.Qd3#
      • 1...Sa7
        • 2.Bb4
          • threat
            • 3.Sd2#
            • 3.Sf2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sg5#
            • 3.Sd6#
            • 3.Sf6#
          • 2...Kxc4
            • 3.Sc3#
        • 2.Qe5+
          • 2...Kxc4
            • 3.Sd6#
          • 2...Kxe5
            • 3.Bc3#
        • 2.Qd6+
          • 2...Kxc4
            • 3.Qd3#
      • 1...Se7
        • 2.Qe5+
          • 2...Kxc4
            • 3.Sd6#
          • 2...Kxe5
            • 3.Bc3#
      • 1...d5
        • 2.Bb4
          • threat
            • 3.Sd2#
            • 3.Sf2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sg5#
            • 3.Sd6#
            • 3.Sf6#
          • 2...Kxc4
            • 3.Sd6#
          • 2...dxe4
            • 3.Qxe4#
          • 2...Sd6
            • 3.Sxd6#
      • 1...d6
        • 2.Bb4
          • threat
            • 3.Sd2#
            • 3.Sf2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sg5#
            • 3.Sxd6#
            • 3.Sf6#
          • 2...Kxc4
            • 3.Sc3#

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