MESON Chess Problem Database

Problem Display
PID: 72500 (8/8/PPp5/rkN2K2/1N3Q2/8/p1P2B2/r7 w - - 0 1)

Krijtenburg, Jac

Tijdschrift vd NSB, 1931

8/8/PPp5/rkN2K2/1N3Q2/8/p1P2B2/r7

#3

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb6
      • 2.Qb8#
  • Tries
    • 1.Sbd3?
      • threat
        • 2.Qb4#
      • 1...Rb1
        • 2.c4+
          • 2...Kxb6
            • 3.Qb8#
      • 1...Ra4!
    • 1.Sd5?
      • threat
        • 2.Qb4#
        • 2.c4#
      • 1...Rxa6
        • 2.Qb4#
      • 1...Ra3
        • 2.Qb4#
      • 1...Ra4
        • 2.Qxa4#
      • 1...Rb1
        • 2.c4#
      • 1...Rc1
        • 2.Qb4#
      • 1...cxd5!
    • 1.c4+?
      • 1...Kxb6
        • 2.Qb8#
      • 1...Kxb4!
    • 1.b7?
      • threat
        • 2.b8Q#
        • 2.b8R#
      • 1...Ra3
        • 2.b8Q+
          • 2...Ka5
            • 3.Sxc6#
            • 3.Qfc7#
        • 2.b8R+
          • 2...Ka5
            • 3.Sxc6#
            • 3.Qc7#
      • 1...Ra4
        • 2.b8Q+
          • 2...Ka5
            • 3.Sxc6#
            • 3.Sb3#
            • 3.Qfc7#
        • 2.b8R+
          • 2...Ka5
            • 3.Sxc6#
            • 3.Sb3#
            • 3.Qc7#
      • 1...Rxa6!
  • Keys
    • 1.Sa4!
      • threat
        • 2.Sc3#
      • 1...Kxa4+
        • 2.Sd5+
          • 2...Ka3
            • 3.Qb4#
          • 2...Kb5
            • 3.Sc7#
      • 1...Rxa4
        • 2.Qe5+
          • 2...Kxb4
            • 3.Qc5#
          • 2...Kc4
            • 3.Qc5#
          • 2...c5
            • 3.Qxc5#
      • 1...Rxa6
        • 2.Sc3+
          • 2...Ka5
            • 3.Sxc6#
      • 1...c5
        • 2.Sc3+
          • 2...Kxb6
            • 3.Qb8#

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