MESON Chess Problem Database

Problem Display
PID: 251098 (K7/8/8/8/8/2pp4/Q1pk4/6R1 w - - 0 1)

Soroka, Ivan Ivanovich

Uralski Problemist, 2011

K7/8/8/8/8/2pp4/Q1pk4/6R1

#4

3 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Rg3!
      • 1...Kc1
        • 2.Rg2
          • threat
            • 3.Qa1#
          • 2...Kd1
            • 3.Qa7
              • threat
                • 4.Qg1#
              • 3...Kc1
                • 4.Qa1#
              • 3...Ke1
                • 4.Qg1#
      • 1...Kd1
        • 2.Rxd3+
          • 2...Ke1
            • 3.Qxc2
              • 3...Kf1
                • 4.Rd1#
          • 2...Ke2
            • 3.Qxc2+
              • 3...Ke1
                • 4.Rd1#
              • 3...Kf1
                • 4.Rd1#
      • 1...Ke1
        • 2.Qe6+
          • 2...Kd1
            • 3.Rg1+
              • 3...Kd2
                • 4.Qe1#
          • 2...Kf1
            • 3.Qe3
              • threat
                • 4.Rg1#
          • 2...Kd2
            • 3.Qe3+
              • 3...Kd1
                • 4.Rg1#
          • 2...Kf2
            • 3.Qe3+
              • 3...Kf1
                • 4.Rg1#
      • 1...Ke2
        • 2.Qe6+
          • 2...Kd1
            • 3.Rg1+
              • 3...Kd2
                • 4.Qe1#
          • 2...Kf1
            • 3.Qe3
              • threat
                • 4.Rg1#
          • 2...Kd2
            • 3.Qe3+
              • 3...Kd1
                • 4.Rg1#
          • 2...Kf2
            • 3.Qe3+
              • 3...Kf1
                • 4.Rg1#

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