MESON Chess Problem Database

Problem Display
PID: 93656 (8/rp6/8/p3R3/1npp4/1Bp4p/2Q5/k1N4K w - - 0 1)

Vasta, Jan

Parallele 50, 1949

8/rp6/8/p3R3/1npp4/1Bp4p/2Q5/k1N4K

#3

5 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Qxa2#
    • 1...Sd3
      • 2.Qa2#
    • 1...Sd5
      • 2.Qa2#
    • 1...Sa6
      • 2.Rxa5#
      • 2.Qa2#
    • 1...Sc6
      • 2.Qa2#
    • 1...cxb3
      • 2.Sxb3#
  • Tries
    • 1.Sa2?
      • threat
        • 2.Re1#
        • 2.Qc1#
      • 1...Sd3
        • 2.Re1+
          • 2...Sc1
            • 3.Rxc1#
            • 3.Qxc1#
          • 2...Sxe1
            • 3.Qc1#
      • 1...Sxc2!
    • 1.Sd3?
      • threat
        • 2.Re1#
        • 2.Qd1#
        • 2.Qc1#
      • 1...Sxd3
        • 2.Qa2#
      • 1...cxb3
        • 2.Re1#
      • 1...cxd3
        • 2.Re1#
        • 2.Qc1#
      • 1...Sa2
        • 2.Qxa2#
      • 1...Sxc2!
    • 1.Ba2?
      • threat
        • 2.Qb1#
      • 1...Sxa2
        • 2.Qxa2#
      • 1...Sxc2!
    • 1.Bxc4?
      • threat
        • 2.Sb3#
      • 1...a4
        • 2.Sb3+
          • 2...axb3
            • 3.Re1#
      • 1...Sxc2!
    • 1.Re1?
      • threat
        • 2.Sa2#
        • 2.Se2#
        • 2.Sd3#
      • 1...Sa2
        • 2.Sxa2#
        • 2.Qxa2#
      • 1...Sd3
        • 2.Sxd3#
        • 2.Qa2#
      • 1...d3
        • 2.Sa2#
        • 2.Se2#
        • 2.Sxd3#
      • 1...Sxc2!
    • 1.Rxa5+?
      • 1...Sa2
        • 2.Qxa2#
      • 1...Rxa5!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Ba2
          • threat
            • 3.Qb1#
          • 2...Sxc2
            • 3.Rb1#
      • 1...Sxc2
        • 2.Bxc2
          • threat
            • 3.Rb1#
      • 1...d3
        • 2.Qxc3+
          • 2...Kb1
            • 3.Ba2#

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