MESON Chess Problem Database

Problem Display
PID: 199864 (3n4/1p3p2/4kp2/nBR2N2/N2P1p1K/p7/4P3/2b5 w - - 0 1)

Webb, CA

The Observer, 1946

(First published on Sun Oct 6 1946)

3n4/1p3p2/4kp2/nBR2N2/N2P1p1K/p7/4P3/2b5

#3

7 + 9

15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • threat
        • 2.Bd7#
      • 1...Sac6
        • 2.Bc4#
      • 1...Sdc6!
    • 1.Rc7?
      • threat
        • 2.Sc5+
          • 2...Kd5
            • 3.Rd7#
          • 2...Kxf5
            • 3.Bd3#
        • 2.Bd7+
          • 2...Kd5
            • 3.Sc3#
        • 2.Re7+
          • 2...Kd5
            • 3.Sc3#
            • 3.Sb6#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Kd5
        • 2.Sc3+
          • 2...Ke6
            • 3.Bd7#
        • 2.Sb6+
          • 2...Ke4
            • 3.Bd3#
          • 2...Ke6
            • 3.Bd7#
        • 2.Rd7+
          • 2...Ke4
            • 3.Bd3#
          • 2...Ke6
            • 3.Sg7#
        • 2.Re7
          • threat
            • 3.Sc3#
            • 3.Sb6#
      • 1...Bb2
        • 2.Sc5+
          • 2...Kd5
            • 3.Rd7#
          • 2...Kxf5
            • 3.Bd3#
        • 2.Re7+
          • 2...Kd5
            • 3.Sb6#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Bd2
        • 2.Sc5+
          • 2...Kd5
            • 3.Rd7#
          • 2...Kxf5
            • 3.Bd3#
        • 2.Re7+
          • 2...Kd5
            • 3.Sb6#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Sb3
        • 2.Bd7+
          • 2...Kd5
            • 3.Sc3#
        • 2.Re7+
          • 2...Kd5
            • 3.Sc3#
            • 3.Sb6#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Sc4
        • 2.Bd7+
          • 2...Kd5
            • 3.Sc3#
      • 1...Sac6
        • 2.Sc5+
          • 2...Kd5
            • 3.Rd7#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Sdc6
        • 2.Sc5+
          • 2...Kd5
            • 3.Rd7#
          • 2...Kxf5
            • 3.Bd3#
      • 1...f3
        • 2.Bd7+
          • 2...Kd5
            • 3.Sc3#
      • 1...b6
        • 2.Bd7+
          • 2...Kd5
            • 3.Sc3#
        • 2.Re7+
          • 2...Kd5
            • 3.Sc3#
            • 3.Sxb6#
          • 2...Kxf5
            • 3.Bd3#
      • 1...Kxf5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Rd6+
          • 2...Kxf5
            • 3.Bd3#
      • 1...Kxd5
        • 2.Sb6+
          • 2...Ke4
            • 3.Bd3#
          • 2...Ke6
            • 3.Bd7#
      • 1...Sc4
        • 2.Bd7+
          • 2...Kxd5
            • 3.Sc3#
      • 1...f3
        • 2.Sc5+
          • 2...Kxd5
            • 3.e4#

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