MESON Chess Problem Database

Problem Display
PID: 247410 (8/1bP3p1/1p1Bp1B1/4ppn1/RP2Pk2/3P1p2/1P3P2/3N1KR1 w - - 0 1)

Wirtanen, Erkki Aukusti

Stella Polaris, 1968

8/1bP3p1/1p1Bp1B1/4ppn1/RP2Pk2/3P1p2/1P3P2/3N1KR1

#3

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...fxe4
      • 2.Se3
        • threat
          • 3.Rg4#
    • 1...b5
      • 2.Bc5
        • threat
          • 3.Be3#
  • Tries
    • 1.c8Q?
      • threat
        • 2.Qc1#
      • 1...Sxe4
        • 2.Qc1+
          • 2...Sd2+
            • 3.Qxd2#
      • 1...fxe4
        • 2.Se3
          • threat
            • 3.Rg4#
        • 2.Qc1+
          • 2...e3
            • 3.Qxe3#
            • 3.fxe3#
        • 2.Qc7
          • threat
            • 3.Bxe5#
          • 2...Sf7
            • 3.Qxf7#
        • 2.Qd8
          • threat
            • 3.Qxg5#
          • 2...Sh3
            • 3.Qh4#
            • 3.Qf8#
          • 2...Sf7
            • 3.Qh4#
          • 2...Sh7
            • 3.Qh4#
        • 2.Qf8+
          • 2...Sf7
            • 3.Qxf7#
      • 1...Bc6
        • 2.Qd8
          • threat
            • 3.Qxg5#
          • 2...Sxe4
            • 3.Qh4#
          • 2...Sh3
            • 3.Qh4#
          • 2...Sf7
            • 3.Qh4#
          • 2...Sh7
            • 3.Qh4#
      • 1...Bxc8!
  • Keys
    • 1.b5!
      • threat
        • 2.Bb4
          • threat
            • 3.Bd2#
      • 1...Bxe4
        • 2.c8Q
          • threat
            • 3.Qc1#
      • 1...Sxe4
        • 2.Be7
          • threat
            • 3.Bg5#
      • 1...fxe4
        • 2.Se3
          • threat
            • 3.Rg4#
        • 2.Bb4
          • threat
            • 3.Bd2#
          • 2...e3
            • 3.fxe3#
      • 1...Sh3
        • 2.exf5+
          • 2...Be4
            • 3.Rxe4#

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