MESON Chess Problem Database

Problem Display
PID: 269562 (8/8/2QN4/3p1B2/2pk3P/8/5p2/5K2 w - - 0 1)

Petrasinovic, Petrasin

Springaren, 2007

8/8/2QN4/3p1B2/2pk3P/8/5p2/5K2

#4

5 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Bb1!
      • 1...Kc3
        • 2.Qb6
          • 2...Kd2
            • 3.Qb2+
              • 3...Kd1
                • 4.Qc2#
              • 3...Ke3
                • 4.Qxf2#
      • 1...Ke3
        • 2.Qxd5
          • threat
            • 3.Sf5+
              • 3...Kf4
                • 4.Qe4#
            • 3.Qg5+
              • 3...Kf3
                • 4.Be4#
              • 3...Kd4
                • 4.Sb5#
          • 2...Kf4
            • 3.Qg5+
              • 3...Kf3
                • 4.Be4#
      • 1...Ke5
        • 2.Sf5
          • threat
            • 3.Qd6#
          • 2...Kf4
            • 3.Qg6
              • threat
                • 4.Qg3#
              • 3...Kf3
                • 4.Qg3#
              • 3...Ke5
                • 4.Qd6#

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