MESON Chess Problem Database

Problem Display
PID: 249826 (3B4/b2b2p1/2p2pn1/3p1p2/n2k1PP1/N3p1N1/1P2P3/2Q4K w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Computer Test FIDE Albums, 1993

3B4/b2b2p1/2p2pn1/3p1p2/n2k1PP1/N3p1N1/1P2P3/2Q4K

#4

9 + 11

SOLUTION

  • SOUND
  • Keys
    • 1.Ba5!
      • 1...Sxf4
        • 2.Qxe3+
          • 2...Kxe3
            • 3.Sc2+
              • 3...Kf2
                • 4.Be1#
      • 1...fxg4
        • 2.Qd1+
          • 2...Kc5
            • 3.Se4+
              • 3...dxe4
                • 4.b4#
      • 1...Be6
        • 2.Qxc6
          • threat
            • 3.Sc2#
            • 3.Sb5#
          • 2...Sxf4
            • 3.Sc2+
              • 3...Ke5
                • 4.Bc7#
                • 4.Qc7#
            • 3.Sb5+
              • 3...Ke5
                • 4.Bc7#
                • 4.Qd6#
                • 4.Qc7#
            • 3.Bc3+
              • 3...Sxc3
                • 4.Qxc3#
          • 2...Bc5
            • 3.Qxa4+
              • 3...Bb4
                • 4.Bb6#
                • 4.Qxb4#
        • 2.Qe1
          • threat
            • 3.Qb4#
          • 2...Sxf4
            • 3.Sc2+
              • 3...Kc4
                • 4.Qb4#
              • 3...Kc5
                • 4.Qb4#
              • 3...Ke5
                • 4.Bc7#
            • 3.Qb4+
              • 3...Ke5
                • 4.Bc7#
          • 2...Se5
            • 3.Sc2+
              • 3...Kc4
                • 4.Qb4#
              • 3...Kc5
                • 4.Qb4#
            • 3.Qb4+
              • 3...Sc4
                • 4.Sc2#
      • 1...Bc8
        • 2.Qxc6
          • threat
            • 3.Sc2#
            • 3.Sb5#
          • 2...Sxf4
            • 3.Sc2+
              • 3...Ke5
                • 4.Bc7#
            • 3.Sb5+
              • 3...Ke5
                • 4.Bc7#
                • 4.Qd6#
            • 3.Bc3+
              • 3...Sxc3
                • 4.Qxc3#
          • 2...Bc5
            • 3.Qxa4+
              • 3...Bb4
                • 4.Bb6#
                • 4.Qxb4#
      • 1...Be8
        • 2.Qd1+
          • 2...Kc5
            • 3.Sxf5
              • threat
                • 4.Qd4#
                • 4.b4#
              • 3...d4
                • 4.Qxd4#
      • 1...Se5
        • 2.Bb4
          • threat
            • 3.Qd1+
              • 3...Sd3
                • 4.Qxd3#
            • 3.Qc3+
              • 3...Sxc3
                • 4.bxc3#
            • 3.b3
              • threat
                • 4.Sc2#

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