MESON Chess Problem Database

Problem Display
PID: 249692 (K7/1N2p1pN/6p1/8/3Bk3/8/5Q2/8 w - - 0 1)

Petrasinovic, Petrasin

Uralski Problemist, 2007

K7/1N2p1pN/6p1/8/3Bk3/8/5Q2/8

#4

5 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sg5+
          • 2...Kd3
            • 3.Be3
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
          • 2...Kd5
            • 3.Qf4
              • threat
                • 4.Qe5#
              • 3...e5
                • 4.Qxe5#
      • 1...Kd3
        • 2.Sg5
          • threat
            • 3.Be3
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
      • 1...Kd5
        • 2.Qf4
          • threat
            • 3.Qe5#
          • 2...Ke6
            • 3.Sf8+
              • 3...Kd5
                • 4.Qe5#
      • 1...g5
        • 2.Sxg5+
          • 2...Kd3
            • 3.Be3
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
          • 2...Kd5
            • 3.Qf4
              • threat
                • 4.Qe5#
              • 3...e5
                • 4.Qxe5#
      • 1...e5
        • 2.Sg5+
          • 2...Kd3
            • 3.Be3
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
          • 2...Kd5
            • 3.Bc5
              • 3...e4
                • 4.Qd4#

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