Problem Display
PID: 59189 (1b4b1/1N2p2p/Qp6/3PPR2/1RPk4/P3ppP1/KPprr3/2N5 w - - 0 1)

Kobets, Vasily Dimitrevich

1st Prize, Shakhmatny Listok, 1927/II

1b4b1/1N2p2p/Qp6/3PPR2/1RPk4/P3ppP1/KPprr3/2N5

#3

12 + 11


81 Chess 1960
1099 WCSC 1988
5396 World Chess Solving Championship 1977-1996 1997
5629 PE*ST*AB Solving Ty. 2003
5405 Chess Solving Yearbook 2003 2004
14986 White-Hume Collection 2017

SOLUTION


  • SOUND
  • Sets
    • 1...Rd3
      • 2.Rf4+
        • 2...Kxe5
          • 3.Sxd3#
    • 1...Bxd5
      • 2.cxd5+
        • 2...Kxd5
          • 3.Qc4#
    • 1...b5
      • 2.cxb5+
        • 2...Kxd5
          • 3.Qc6#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.c5+
          • 2...b5
            • 3.Sc1#
            • 3.Rd4#
            • 3.Qxb5#
      • 1...Ke4!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Rf4+
          • 2...Kxe5
            • 3.Qxb8#
      • 1...Ke4
        • 2.Rf4+
          • 2...Kxe5
            • 3.Qxb8#
      • 1...Bxe5
        • 2.Qb8
          • threat
            • 3.Qxe5#
          • 2...Ke4
            • 3.Qxe5#
          • 2...Bxg3
            • 3.c5#
          • 2...Bxb8
            • 3.c5#
          • 2...Bf4
            • 3.Rxf4#
            • 3.Qxf4#
            • 3.c5#
          • 2...Bd6
            • 3.c5#
          • 2...Bf6
            • 3.Rf4#
            • 3.Qf4#
            • 3.c5#
          • 2...Bc7
            • 3.c5#
          • 2...Bg7
            • 3.Rf4#
            • 3.Qf4#
            • 3.c5#
          • 2...Bh8
            • 3.Rf4#
            • 3.Qf4#
            • 3.c5#
      • 1...Bxd5
        • 2.Sc5
          • threat
            • 3.S1b3#
            • 3.Qxd5#
          • 2...Kxc5
            • 3.Sb3#
      • 1...Rd3
        • 2.Rf4+
          • 2...Kxe5
            • 3.Sxd3#
            • 3.Qxb8#
      • 1...Bd6
        • 2.Qxg8
          • threat
            • 3.Qg4#
            • 3.c5#
          • 2...Ke4
            • 3.Qg4#
      • 1...Ba7
        • 2.Qxg8
          • threat
            • 3.Qg4#
            • 3.c5#
          • 2...Ke4
            • 3.Qg4#
      • 1...Bc7
        • 2.Qxg8
          • threat
            • 3.Qg4#
            • 3.c5#
          • 2...Ke4
            • 3.Qg4#

FEATURES


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