MESON Chess Problem Database

Problem Display
PID: 174793 (8/n1K5/PN2p3/1k1pPpP1/R2P4/p1P1p1R1/4N2p/3n3B w - - 0 1)

Zajic, Helmut

8th Place, Match: Austria - Switzerland, 1978

8/n1K5/PN2p3/1k1pPpP1/R2P4/p1P1p1R1/4N2p/3n3B

#5

11 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Rg2!
      • threat
        • 2.Rxh2
          • 2...a2
            • 3.c4+
              • 3...dxc4
                • 4.Sc3+
                  • 4...Sxc3
                    • 5.Rb2#
          • 2...f4
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                • 4.Rxf2
                  • threat
                    • 5.Bd3#
                  • 4...dxe4
                    • 5.c4#
      • 1...Sc6
        • 2.c4+
          • 2...dxc4
            • 3.Sc3+
              • 3...Sxc3
                • 4.Rb2+
                  • 4...Sb4
                    • 5.Bc6#
                    • 5.Rbxb4#
                  • 4...axb2
                    • 5.Bxc6#
      • 1...Sc8
        • 2.c4+
          • 2...dxc4
            • 3.Sc3+
              • 3...Sxc3
                • 4.Rb2+
                  • 4...axb2
                    • 5.Bc6#
      • 1...f4
        • 2.Rg1
          • threat
            • 3.c4+
              • 3...dxc4
                • 4.Rxd1
                  • threat
                    • 5.Sc3#
                    • 5.Rb1#
            • 3.Rxd1
              • threat
                • 4.Rb1#
              • 3...Sc6
                • 4.Rb1+
                  • 4...Sb4
                    • 5.Rbxb4#
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                    • 5.Bxc6#
              • 3...a2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                • 4.Be4
                  • threat
                    • 5.Bd3#
                  • 4...dxe4
                    • 5.c4#
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
                • 4.Rb1
                  • threat
                    • 5.Bd3#
                  • 4...dxe4
                    • 5.c4#
          • 2...hxg1Q
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
          • 2...hxg1S
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
          • 2...hxg1B
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
          • 2...hxg1R
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
          • 2...a2
            • 3.Rxd1
              • threat
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                • 4.Be4
                  • threat
                    • 5.Bd3#
                  • 4...dxe4
                    • 5.c4#
              • 3...a1Q
                • 4.Rb4+
                  • 4...Ka5
                    • 5.Rxa1#
                  • 4...Kxa6
                    • 5.Rxa1#
              • 3...Sc6
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                    • 5.Bxc6#
              • 3...Sc8
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#
                    • 5.Bc6#
            • 3.Be4
              • threat
                • 4.Bd3#
              • 3...Sb2
                • 4.c4+
                  • 4...Sxc4
                    • 5.Sc3#
                  • 4...dxc4
                    • 5.Sc3#
              • 3...Sf2
                • 4.c4+
                  • 4...dxc4
                    • 5.Sc3#

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