MESON Chess Problem Database

Problem Display
PID: 174587 (3K1Q2/p1n1RN1n/4p2r/r1p3p1/R1P1kbP1/1NP1p1p1/4B3/7b w - - 0 1)

Belchikov, Nikolai Ivanovich

Makaronets, Leonid

Volchek, Viktor Fedorovich

3rd Prize, 09. Warsaw Chess Solving Grand Prix, 2010

3K1Q2/p1n1RN1n/4p2r/r1p3p1/R1P1kbP1/1NP1p1p1/4B3/7b

#3

10 + 13

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa4
      • 2.Sxc5#
    • 1...Ra6
      • 2.Sxc5#
    • 1...Be5
      • 2.Sd6+
        • 2...Bxd6
          • 3.Qf5#
    • 1...Bd6
      • 2.Sxg5+
        • 2...Ke5
          • 3.Qf5#
        • 2...Sxg5
          • 3.Qf5#
    • 1...Sb5
      • 2.Sxc5#
    • 1...e5
      • 2.Sxg5+
        • 2...Bxg5
          • 3.Qf5#
        • 2...Sxg5
          • 3.Qf5#
  • Tries
    • 1.Sxg5+?
      • 1...Bxg5
        • 2.Qf5#
      • 1...Sxg5
        • 2.Qf5#
      • 1...Ke5!
    • 1.Sd6+?
      • 1...Bxd6
        • 2.Qf5#
      • 1...Ke5!
    • 1.Rxa5?
      • threat
        • 2.Sxc5#
      • 1...Be5
        • 2.Sxg5+
          • 2...Sxg5
            • 3.Sxc5#
        • 2.Sd6+
          • 2...Bxd6
            • 3.Qf5#
      • 1...Bd6
        • 2.Sxg5+
          • 2...Ke5
            • 3.Qf5#
          • 2...Sxg5
            • 3.Qf5#
      • 1...Sa6!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Sxc5+
          • 2...Rxc5
            • 3.Rd4#
      • 1...Be5
        • 2.Sxg5+
          • 2...Sxg5
            • 3.Bd3#
      • 1...Bd6
        • 2.Qxd6
          • threat
            • 3.Qe5#
          • 2...e5
            • 3.Qxe5#
      • 1...Rb5
        • 2.Sxc5+
          • 2...Rxc5
            • 3.Rd4#
        • 2.cxb5+
          • 2...c4
            • 3.Sc5#
            • 3.Rxc4#
            • 3.Rd4#
      • 1...Sd5
        • 2.cxd5+
          • 2...Rxa4
            • 3.Sxc5#
          • 2...c4
            • 3.Rxc4#
      • 1...Sa6
        • 2.Sxc5+
          • 2...Rxc5
            • 3.Rd4#
          • 2...Sxc5
            • 3.Rd4#
      • 1...e5
        • 2.Sd6+
          • 2...Rxd6
            • 3.Qf5#

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