MESON Chess Problem Database

Problem Display
PID: 269449 (3Q4/2pn4/2pk4/8/7R/7K/6B1/8 w - - 0 1)

Petrasinovic, Petrasin

Euximus Pontus Romania, 2011

3Q4/2pn4/2pk4/8/7R/7K/6B1/8

#4

4 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Rg4!
      • 1...Kc5
        • 2.Qxd7
          • threat
            • 3.Qxc6#
          • 2...Kb5
            • 3.Qxc6+
              • 3...Ka5
                • 4.Ra4#
          • 2...Kb6
            • 3.Qxc6+
              • 3...Ka5
                • 4.Ra4#
              • 3...Ka7
                • 4.Qb7#
      • 1...Ke6
        • 2.Rg6+
          • 2...Ke5
            • 3.Qh4
              • threat
                • 4.Qe4#
              • 3...Kf5
                • 4.Qg5#
                • 4.Qe4#
              • 3...Sf6
                • 4.Qxf6#
              • 3...Sc5
                • 4.Qf6#
          • 2...Kf7
            • 3.Qg8+
              • 3...Ke7
                • 4.Re6#
          • 2...Sf6
            • 3.Bxc6
              • threat
                • 4.Qxf6#
              • 3...Ke5
                • 4.Qxf6#
              • 3...Kf5
                • 4.Qxf6#
              • 3...Kf7
                • 4.Qxf6#
      • 1...c5
        • 2.Rg6+
          • 2...Ke5
            • 3.Qh4
              • threat
                • 4.Qe4#
              • 3...Kf5
                • 4.Qg5#
                • 4.Qe4#
              • 3...Sf6
                • 4.Qxf6#

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