MESON Chess Problem Database

Problem Display
PID: 252219 (7n/Np3r1N/2PB3R/p2kP2p/Pp1pR3/b2Pp2p/4P3/6QK w - - 0 1)

Rudenko, Valentin Fedorovich

2nd Prize, Schakend Nederland, 1978

7n/Np3r1N/2PB3R/p2kP2p/Pp1pR3/b2Pp2p/4P3/6QK

#3

12 + 11

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Qd1
        • threat
          • 3.Qb3#
        • 2...b3
          • 3.Qxb3#
    • 1...Rxh7
      • 2.Qd1
        • threat
          • 3.Qb3#
        • 2...b3
          • 3.Qxb3#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Rf6
        • 2.Rxd4+
          • 2...Ke6
            • 3.Rxf6#
        • 2.Qxd4+
          • 2...Ke6
            • 3.Rxf6#
        • 2.Qa2+
          • 2...b3
            • 3.Qxb3#
      • 1...Sg6
        • 2.Qa2+
          • 2...b3
            • 3.Qxb3#
      • 1...Bb2
        • 2.Qa2+
          • 2...b3
            • 3.Qxb3#
      • 1...Rf1+!
    • 1.Qb1?
      • threat
        • 2.Qb3#
      • 1...Bb2
        • 2.Qa2+
          • 2...b3
            • 3.Qxb3#
      • 1...Rf1+!
    • 1.Qd1?
      • threat
        • 2.Qb3#
      • 1...b3
        • 2.Qxb3#
      • 1...Rf1+!
  • Keys
    • 1.Qg8!
      • 1...bxc6
        • 2.Sc8
          • threat
            • 3.Sb6#
            • 3.Se7#
          • 2...Sg6
            • 3.Qxf7#
      • 1...Bc1
        • 2.Be7
          • threat
            • 3.Qd8#
          • 2...Sg6
            • 3.Qxf7#
      • 1...Bb2
        • 2.Be7
          • threat
            • 3.Qd8#
          • 2...Sg6
            • 3.Qxf7#
      • 1...h2
        • 2.Rf4
          • threat
            • 3.Qg2#
          • 2...Sg6
            • 3.Qxf7#
      • 1...b3
        • 2.Bxa3
          • threat
            • 3.Rd6#
          • 2...Sg6
            • 3.Qxf7#
      • 1...h4
        • 2.Sf6+
          • 2...Ke6
            • 3.Qg4#
      • 1...b5
        • 2.c7
          • threat
            • 3.Qa8#
          • 2...Sg6
            • 3.Qxf7#
      • 1...b6
        • 2.c7
          • threat
            • 3.Qa8#
          • 2...Sg6
            • 3.Qxf7#

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