MESON Chess Problem Database

Problem Display
PID: 85293 (8/8/8/4K3/kp6/2p5/2NN4/3Q4 w - - 0 1)

Ivunin, Alexey Vsevolodovich

Na Smenu!, 1972

8/8/8/4K3/kp6/2p5/2NN4/3Q4

#3

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...b3
        • 2.Qxb3+
          • 2...Ka5
            • 3.Qb5#
      • 1...Ka5!
    • 1.Sb3?
      • threat
        • 2.Scd4
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
      • 1...Kb5
        • 2.Qd6
          • 2...Ka4
            • 3.Qxb4#
          • 2...Kc4
            • 3.Qd5#
      • 1...Kxb3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sd4+
          • 2...c2
            • 3.Qa1#
          • 2...b3
            • 3.Qxb3#
      • 1...Kb3
        • 2.S2a3+
          • 2...Ka2
            • 3.Qb1#
          • 2...c2
            • 3.Qxc2#
      • 1...Kb5
        • 2.Qd7+
          • 2...Kxc4
            • 3.Qd5#
          • 2...Kc5
            • 3.Qd5#
          • 2...Ka6
            • 3.Sxb4#

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