MESON Chess Problem Database

Problem Display
PID: 93460 (1n4b1/3R4/3p4/pkpp4/3pp3/1B6/Q7/n1K5 w - - 0 1)

Fomichev, Evgeny Vasilevich

Svetilsky, Anatoly Volodimirovich

Shakhmaty v SSSR, 1991

1n4b1/3R4/3p4/pkpp4/3pp3/1B6/Q7/n1K5

#4

4 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • threat
        • 2.Ba4+
          • 2...Kxa4
            • 3.Rb7
              • threat
                • 4.Qa2#
                • 4.Qxa1#
              • 3...Sb3+
                • 4.Qxb3#
              • 3...Ka3
                • 4.Qxa1#
              • 3...Sc2
                • 4.Qb3#
          • 2...Kc4
            • 3.Bb5+
              • 3...Kc3
                • 4.Qb2#
        • 2.Rb7+
          • 2...Ka6
            • 3.Bc4+
              • 3...dxc4
                • 4.Qb5#
                • 4.Qb6#
      • 1...Kb4
        • 2.Rb7+
          • 2...Kc3
            • 3.Qb2+
              • 3...Kd3
                • 4.Qd2#
      • 1...Kb6
        • 2.Bd1+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb7#
              • 3...Kc6
                • 4.Qb7#
        • 2.Ba2+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb7#
              • 3...Kc6
                • 4.Qb7#
        • 2.Bc2+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb7#
              • 3...Kc6
                • 4.Qb7#
        • 2.Ba4+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb5#
                • 4.Qb7#
        • 2.Bc4+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Kc6
                • 4.Qb5#
                • 4.Qb7#
        • 2.Bxd5+
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb7#
      • 1...Sxd7
        • 2.Bxd5+
          • 2...Ka4
            • 3.Bc6+
              • 3...Ka3
                • 4.Qb2#
          • 2...Sb3+
            • 3.Qxb3+
              • 3...Ka6
                • 4.Qb7#
      • 1...a4
        • 2.Bxa4+
          • 2...Kxa4
            • 3.Ra7+
              • 3...Sa6
                • 4.Rxa6#
          • 2...Kc4
            • 3.Bb5+
              • 3...Kc3
                • 4.Qb2#
      • 1...c4
        • 2.Bxc4+
          • 2...Ka4
            • 3.Bb5+
              • 3...Ka3
                • 4.Qb2#
            • 3.Qb5+
              • 3...Ka3
                • 4.Qxa5#
            • 3.Rb7
              • threat
                • 4.Qa2#
                • 4.Qxa1#
              • 3...Sb3+
                • 4.Qxb3#
              • 3...Ka3
                • 4.Qa2#
                • 4.Qxa1#
              • 3...Sc2
                • 4.Qb3#
          • 2...Kxc4
            • 3.Rc7+
              • 3...Sc6
                • 4.Rxc6#

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