MESON Chess Problem Database

Problem Display
PID: 166549 (4r3/8/8/2p5/1p2p3/2p5/3NKQ2/1BkN4 w - - 0 1)

Fomichev, Evgeny Vasilevich

Sachove umeni (Ceskoslovensky sach), 2017

4r3/8/8/2p5/1p2p3/2p5/3NKQ2/1BkN4

#4

5 + 6

SOLUTION

  • SOUND
  • Keys
    • 1.Qe1!
      • threat
        • 2.Se3+
          • 2...Kb2
            • 3.Sec4+
              • 3...Ka1
                • 4.Sb3#
      • 1...c2
        • 2.Sc3+
          • 2...Kb2
            • 3.Sc4+
              • 3...Ka1
                • 4.Bxc2#
              • 3...Kb3
                • 4.Ba2#
      • 1...b3
        • 2.Sxc3+
          • 2...Kb2
            • 3.Sc4+
              • 3...Ka1
                • 4.Ba2#
                • 4.Bc2#
                • 4.Bd3#
                • 4.Bxe4#
        • 2.Se3+
          • 2...Kb2
            • 3.Sec4+
              • 3...Ka1
                • 4.Sxb3#
        • 2.Sxb3+
          • 2...Kxb1
            • 3.Qxc3
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
        • 2.Sf1
          • threat
            • 3.Qxc3+
              • 3...Kxb1
                • 4.Qb2#
          • 2...Kxb1
            • 3.Qxc3
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...b2
                • 4.Qxb2#
          • 2...c2
            • 3.Qc3
              • threat
                • 4.Qb2#
              • 3...Kxb1
                • 4.Qb2#
              • 3...b2
                • 4.Qxb2#
                • 4.Qxc2#
        • 2.Sc4
          • threat
            • 3.Sdb2#
            • 3.Sf2#
            • 3.Sxc3#
            • 3.Sde3#
          • 2...Kxb1
            • 3.Sxc3+
              • 3...Kc2
                • 4.Qd2#
            • 3.Qxc3
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...b2
                • 4.Qxb2#
          • 2...Rd8
            • 3.Sdb2+
              • 3...Rd1
                • 4.Qxd1#
            • 3.Sf2+
              • 3...Rd1
                • 4.Qxd1#
            • 3.Sxc3+
              • 3...Rd1
                • 4.Qxd1#
            • 3.Sde3+
              • 3...Rd1
                • 4.Qxd1#
            • 3.Qxc3+
              • 3...Kxb1
                • 4.Qb2#
      • 1...e3
        • 2.Sf2+
          • 2...Kb2
            • 3.Qc1+
              • 3...Ka1
                • 4.Sb3#
              • 3...Kxc1
                • 4.Sd3#
      • 1...c4
        • 2.Se3+
          • 2...Kb2
            • 3.Sexc4+
              • 3...Ka1
                • 4.Sb3#

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