MESON Chess Problem Database

Problem Display
PID: 156870 (8/3p3K/5p2/5N1p/1p1Pk1Pb/3pP3/2PP2P1/2Q5 w - - 0 1)

Ivanov, VV

Shakhmatnoe obozrenie, 1909

8/3p3K/5p2/5N1p/1p1Pk1Pb/3pP3/2PP2P1/2Q5

#3

9 + 7

14986 White-Hume Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.c4
        • threat
          • 3.Sd6#
        • 2...Bg3
          • 3.Sxg3#
        • 2...d6
          • 3.Sxd6#
    • 1...d5
      • 2.Sd6#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#
      • 1...Kd5
        • 2.Qa8+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke6
            • 3.Qg8#
      • 1...hxg4
        • 2.Qa8+
          • 2...Kxf5
            • 3.Qd5#
          • 2...d5
            • 3.Sd6#
      • 1...Bg3
        • 2.Qa8+
          • 2...d5
            • 3.Sxg3#
      • 1...Bg5
        • 2.Qa8+
          • 2...d5
            • 3.Sg3#
            • 3.Sd6#
            • 3.Qe8#
      • 1...d6
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#
      • 1...dxc2!
    • 1.cxd3+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kxd3!
    • 1.c4?
      • threat
        • 2.Sd6#
      • 1...Bg3
        • 2.Sxg3#
      • 1...d6
        • 2.Sxd6#
      • 1...bxc4 ep!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qb3
          • threat
            • 3.Sd6#
            • 3.cxd3#
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#
      • 1...Kd5
        • 2.Qa8+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke6
            • 3.Qg8#
      • 1...dxc2
        • 2.Qb3
          • threat
            • 3.Sd6#
            • 3.d3#
      • 1...bxa3
        • 2.c4
          • threat
            • 3.Sd6#
          • 2...Bg3
            • 3.Sxg3#
          • 2...d6
            • 3.Sxd6#
      • 1...hxg4
        • 2.Qb3
          • threat
            • 3.Sd6#
          • 2...Kxf5
            • 3.Qd5#
          • 2...Bg3
            • 3.Sxg3#
          • 2...d6
            • 3.Sxd6#
            • 3.Qe6#
        • 2.Qa8+
          • 2...Kxf5
            • 3.Qd5#
          • 2...d5
            • 3.Sd6#
      • 1...Bf2
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#
      • 1...Bg3
        • 2.Qb3
          • threat
            • 3.Sxg3#
            • 3.cxd3#
        • 2.Qa8+
          • 2...d5
            • 3.Sxg3#
      • 1...Bg5
        • 2.Qa8+
          • 2...d5
            • 3.Sg3#
            • 3.Sd6#
            • 3.Qe8#
      • 1...b3
        • 2.Qxb3
          • threat
            • 3.Sd6#
            • 3.cxd3#
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#
        • 2.c4
          • threat
            • 3.Sd6#
            • 3.Qe7#
          • 2...Bg3
            • 3.Sxg3#
          • 2...d6
            • 3.Sxd6#
      • 1...d6
        • 2.Qb3
          • threat
            • 3.Sxd6#
            • 3.Qe6#
            • 3.cxd3#
        • 2.Qa8+
          • 2...d5
            • 3.Sd6#
            • 3.Qe8#

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