MESON Chess Problem Database

Problem Display
PID: 135548 (8/8/8/8/8/R5p1/4K2p/4N2k w - - 0 1)

Ivanov, Valery Alekseevich

1/2 HM., StrateGems, 2009

8/8/8/8/8/R5p1/4K2p/4N2k

#3

3 + 3

145 StrateGems 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • threat
        • 2.Sg2
          • 2...Kg1
            • 3.Ra1#
        • 2.Ra1
          • threat
            • 3.Sc2#
            • 3.Sg2#
            • 3.Sd3#
          • 2...Kg1
            • 3.Sc2#
            • 3.Sg2#
            • 3.Sd3#
          • 2...g2
            • 3.Sxg2#
      • 1...g2
        • 2.Sxg2
          • 2...Kg1
            • 3.Ra1#
      • 1...Kg1!
    • 1.Ra1?
      • threat
        • 2.Kf3
          • threat
            • 3.Sc2#
            • 3.Sg2#
            • 3.Sd3#
          • 2...Kg1
            • 3.Sc2#
            • 3.Sg2#
            • 3.Sd3#
          • 2...g2
            • 3.Sxg2#
        • 2.Sd3+
          • 2...Kg2
            • 3.Sf4#
      • 1...Kg1
        • 2.Sd3+
          • 2...Kg2
            • 3.Sf4#
      • 1...g2!
    • 1.Rf3?
      • threat
        • 2.Rf1#
      • 1...Kg1
        • 2.Rf1#
      • 1...g2!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Ra1+
          • 2...Kg2
            • 3.Sf4#
      • 1...Kg1
        • 2.Ra1+
          • 2...Kg2
            • 3.Sf4#
      • 1...Kg2
        • 2.Sf4+
          • 2...Kg1
            • 3.Ra1#
          • 2...Kh1
            • 3.Ra1#
      • 1...g2
        • 2.Sf2+
          • 2...Kg1
            • 3.Ra1#

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