MESON Chess Problem Database

Problem Display
PID: 89121 (8/2p5/2B1N3/3P4/4k3/6Q1/K7/8 w - - 0 1)

Rubens, Nathan

American Chess Problemist, 1950

8/2p5/2B1N3/3P4/4k3/6Q1/K7/8

#3

5 + 2

3713 Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2?
      • threat
        • 2.Kb3
          • 2...Kd3
            • 3.Sc5#
          • 2...Ke5
            • 3.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kd3!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kxf3!
  • Keys
    • 1.Bb5!
      • 1...Kxd5
        • 2.Bc4+
          • 2...Kxc4
            • 3.Qb3#
          • 2...Ke4
            • 3.Qf4#
          • 2...Kc6
            • 3.Qxc7#
      • 1...Kf5
        • 2.Bd3+
          • 2...Kf6
            • 3.Qg7#
      • 1...c5
        • 2.Qf4+
          • 2...Kxd5
            • 3.Sc7#
      • 1...c6
        • 2.Qf4+
          • 2...Kxd5
            • 3.Bc4#

Anticipated by 58940(0000), 78793(1946)

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