MESON Chess Problem Database

Problem Display
PID: 162636 (b6b/nN3N1K/7B/4P3/4k3/5R2/B5P1/8 w - - 0 1)

Andrade, Barry Jack da Costa

The Observer, 1924

(First published on Sun Sep 21 1924)

b6b/nN3N1K/7B/4P3/4k3/5R2/B5P1/8

#3

8 + 4

15239 Valois Notebooks 2017
3713 Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sfd6+?
      • 1...Kxe5
        • 2.Re3+
          • 2...Kd4
            • 3.Sf5#
          • 2...Kf6
            • 3.Re6#
        • 2.Rf4
          • threat
            • 3.Sf7#
      • 1...Kd4!
    • 1.Bc1?
      • threat
        • 2.Sg5+
          • 2...Kd4
            • 3.Bb2#
          • 2...Kxe5
            • 3.Bb2#
        • 2.Sfd6+
          • 2...Kd4
            • 3.Bb2#
          • 2...Kxe5
            • 3.Bb2#
        • 2.Bb2
          • threat
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Kd4
        • 2.Bb2+
          • 2...Ke4
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Bxb7
        • 2.Bb2
          • threat
            • 3.Sg5#
            • 3.Sd6#
      • 1...Bxe5
        • 2.Sg5+
          • 2...Kd4
            • 3.Bb2#
      • 1...Bf6
        • 2.Sfd6+
          • 2...Kd4
            • 3.Bb2#
          • 2...Kxe5
            • 3.Bb2#
      • 1...Sc6
        • 2.Bb2
          • threat
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Sc8
        • 2.Sg5+
          • 2...Kd4
            • 3.Bb2#
          • 2...Kxe5
            • 3.Bb2#
        • 2.Bb2
          • threat
            • 3.Sc5#
            • 3.Sg5#
      • 1...Sb5!
    • 1.Bd2?
      • threat
        • 2.Sg5+
          • 2...Kd4
            • 3.Bc3#
          • 2...Kxe5
            • 3.Bc3#
        • 2.Sfd6+
          • 2...Kd4
            • 3.Bc3#
          • 2...Kxe5
            • 3.Bc3#
        • 2.Bc3
          • threat
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Kd4
        • 2.Bc3+
          • 2...Ke4
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Bxb7
        • 2.Bc3
          • threat
            • 3.Sg5#
            • 3.Sd6#
      • 1...Bxe5
        • 2.Sg5+
          • 2...Kd4
            • 3.Bc3#
      • 1...Bf6
        • 2.Sfd6+
          • 2...Kd4
            • 3.Bc3#
          • 2...Kxe5
            • 3.Bc3#
      • 1...Sc6
        • 2.Bc3
          • threat
            • 3.Sc5#
            • 3.Sbd6#
            • 3.Sg5#
            • 3.Sfd6#
      • 1...Sc8
        • 2.Sg5+
          • 2...Kd4
            • 3.Bc3#
          • 2...Kxe5
            • 3.Bc3#
        • 2.Bc3
          • threat
            • 3.Sc5#
            • 3.Sg5#
      • 1...Sb5!
    • 1.Bf8?
      • threat
        • 2.Sc5+
          • 2...Kd4
            • 3.Rd3#
      • 1...Kd4
        • 2.Bc5+
          • 2...Ke4
            • 3.Sbd6#
      • 1...Bxb7!
    • 1.Re3+?
      • 1...Kd4
        • 2.Sfd8
          • threat
            • 3.Se6#
      • 1...Kf5!
  • Keys
    • 1.Sfd8!
      • threat
        • 2.Re3+
          • 2...Kd4
            • 3.Se6#
          • 2...Kf5
            • 3.Be6#
      • 1...Kd4
        • 2.Re3
          • threat
            • 3.Se6#
      • 1...Kxe5
        • 2.Rf4
          • threat
            • 3.Sf7#
      • 1...Bxe5
        • 2.Sc5+
          • 2...Kd4
            • 3.Sde6#
      • 1...Sb5
        • 2.Re3+
          • 2...Kd4
            • 3.Sc6#
            • 3.Se6#
          • 2...Kf5
            • 3.Be6#
      • 1...Sc6
        • 2.Re3+
          • 2...Kd4
            • 3.Sxc6#
            • 3.Se6#
          • 2...Kf5
            • 3.Be6#
      • 1...Sc8
        • 2.Re3+
          • 2...Kd4
            • 3.Sc6#
            • 3.Se6#
          • 2...Kf5
            • 3.Be6#

This anticipates 271475(1960)

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