MESON Chess Problem Database

Problem Display
PID: 134503 (8/8/4pK2/4R3/B2P3B/6NQ/3PPnpp/1N2krb1 w - - 0 1)

Marble, Murray

Globe Democrat, 1912

8/8/4pK2/4R3/B2P3B/6NQ/3PPnpp/1N2krb1

#3

10 + 7

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qa3
          • threat
            • 3.Qc1#
        • 2.Qb3
          • threat
            • 3.Qd1#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
        • 2.e4
          • threat
            • 3.Qe3#
          • 2...Ke2
            • 3.Qe3#
      • 1...exf5
        • 2.Qa3
          • threat
            • 3.Qc1#
        • 2.Qb3
          • threat
            • 3.Qd1#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
      • 1...h1S
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
      • 1...h1R
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
      • 1...h1Q!
    • 1.Sh5?
      • threat
        • 2.Sf4
          • threat
            • 3.Sxg2#
            • 3.Sd3#
        • 2.Qa3
          • threat
            • 3.Qc1#
        • 2.Qb3
          • threat
            • 3.Qd1#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
        • 2.e4
          • threat
            • 3.Qe3#
          • 2...Ke2
            • 3.Qe3#
      • 1...h1S
        • 2.Sf4
          • threat
            • 3.Sxg2#
            • 3.Sd3#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
      • 1...h1B
        • 2.Sf4
          • 2...Bh2
            • 3.Sd3#
        • 2.Qa3
          • 2...Bh2
            • 3.Qc1#
        • 2.Qb3
          • 2...Bh2
            • 3.Qd1#
        • 2.Qc3
          • 2...Bh2
            • 3.Qc1#
            • 3.d3#
        • 2.e4
          • threat
            • 3.Qe3#
          • 2...Ke2
            • 3.Qe3#
      • 1...h1R
        • 2.Sf4
          • threat
            • 3.Sxg2#
            • 3.Sd3#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
      • 1...h1Q!
  • Keys
    • 1.Sh1!
      • threat
        • 2.Qa3
          • threat
            • 3.Qc1#
        • 2.Qb3
          • threat
            • 3.Qd1#
        • 2.Qc3
          • threat
            • 3.Qc1#
            • 3.d3#
        • 2.e4
          • threat
            • 3.Qe3#
          • 2...Ke2
            • 3.Qe3#
      • 1...gxh1Q
        • 2.Qb3
          • threat
            • 3.Qd1#
          • 2...Qf3+
            • 3.exf3#
      • 1...gxh1S
        • 2.Qc3
          • 2...Sg3
            • 3.d3#
      • 1...gxh1B
        • 2.Qb3
          • threat
            • 3.Qd1#
      • 1...gxh1R
        • 2.e4
          • 2...Ke2
            • 3.Qe3#

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