MESON Chess Problem Database

Problem Display
PID: 177602 (1N6/n1p5/2b1p2K/r2pBk2/8/Np5p/4Q3/8 w - - 0 1)

Iskra, Leonid Grigorievich

Sahs (Latvia), 1970

1N6/n1p5/2b1p2K/r2pBk2/8/Np5p/4Q3/8

#4

5 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qf3#
      • 1...Bxd7
        • 2.Sc4
          • threat
            • 3.Qf3#
          • 2...dxc4
            • 3.Qe3
              • threat
                • 4.Qf4#
              • 3...Kg4
                • 4.Qf4#
                • 4.Qe4#
              • 3...Rxe5
                • 4.Qf3#
      • 1...d4
        • 2.Qf1+
          • 2...Ke4
            • 3.Sf6+
              • 3...Ke3
                • 4.Sc4#
                • 4.Bf4#
              • 3...Kxe5
                • 4.Sc4#
        • 2.Qd3+
          • 2...Kg4
            • 3.Sf6+
              • 3...Kh4
                • 4.Bg3#
                • 4.Qg3#
            • 3.Qg3+
              • 3...Kf5
                • 4.Qf4#
                • 4.Qg6#
        • 2.Kh5
          • threat
            • 3.Qg4#
          • 2...Bxd7
            • 3.Qf3+
              • 3...Kxe5
                • 4.Sc4#
        • 2.Sf6
          • threat
            • 3.Qh5#
          • 2...Rxe5
            • 3.Qf1+
              • 3...Bf3
                • 4.Qxf3#
            • 3.Qf2+
              • 3...Bf3
                • 4.Qxf3#
          • 2...Bf3
            • 3.Qxf3+
              • 3...Kxe5
                • 4.Sc4#

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