MESON Chess Problem Database

Problem Display
PID: 107216 (8/1Q6/2pK4/p1P4n/1N1Pp3/1N6/pP2R3/rk6 w - - 0 1)

Brunner, Erich Anselm

Schweizer Turnier Biel, 1927

8/1Q6/2pK4/p1P4n/1N1Pp3/1N6/pP2R3/rk6

#3

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg7
      • 2.Qxg7
        • threat
          • 3.Qg1#
    • 1...e3
      • 2.Qh7#
    • 1...axb4
      • 2.Qxb4
        • threat
          • 3.Qe1#
  • Tries
    • 1.Sd2+?
      • 1...Kxb2
        • 2.Sxa2+
          • 2...Kxa2
            • 3.Sb1#
            • 3.Sc4#
            • 3.Qb3#
          • 2...Kc2
            • 3.Qb3#
          • 2...Ka3
            • 3.Qb3#
      • 1...Kc1!
    • 1.Qe7?
      • threat
        • 2.Qxe4#
      • 1...Sf4
        • 2.Qxe4+
          • 2...Sd3
            • 3.Qxd3#
      • 1...Sf6
        • 2.Qxf6
          • threat
            • 3.Qf1#
      • 1...Sg3!
    • 1.Qf7?
      • threat
        • 2.Qf1#
      • 1...Sf4
        • 2.Qc4
          • threat
            • 3.Qc1#
            • 3.Qc2#
        • 2.Qxf4
          • threat
            • 3.Qc1#
            • 3.Qf1#
            • 3.Qxe4#
      • 1...Sf6
        • 2.Qxf6
          • threat
            • 3.Qf1#
      • 1...Sg3!
    • 1.Qg7?
      • threat
        • 2.Qg1#
      • 1...Sg3
        • 2.Qxg3
          • threat
            • 3.Qe1#
            • 3.Qg1#
      • 1...Sxg7!
    • 1.Qh7?
      • threat
        • 2.Qxe4#
      • 1...Sf4
        • 2.Qh1#
      • 1...Sf6
        • 2.Qh1#
      • 1...Sg3!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sxa1
          • threat
            • 3.Re1#
          • 2...Kxa1
            • 3.Re1#
        • 2.Sd2+
          • 2...Kc2
            • 3.Qb3#
      • 1...exd3
        • 2.Qh7
          • threat
            • 3.Qxd3#
          • 2...Sf4
            • 3.Qh1#
      • 1...Sg3
        • 2.Sd2+
          • 2...Kc2
            • 3.Qb3#
      • 1...Sf4
        • 2.Sd2+
          • 2...Kc2
            • 3.Qb3#
      • 1...Sf6
        • 2.Sd2+
          • 2...Kc2
            • 3.Qb3#
      • 1...Sg7
        • 2.Sd2+
          • 2...Kc2
            • 3.Qb3#
        • 2.Qxg7
          • threat
            • 3.Qg1#
      • 1...e3
        • 2.Sxa1
          • threat
            • 3.Re1#
          • 2...Kxa1
            • 3.Re1#
      • 1...a4
        • 2.Sxa1
          • threat
            • 3.Re1#
          • 2...Kxa1
            • 3.Re1#
        • 2.Qb4
          • threat
            • 3.Qe1#

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