MESON Chess Problem Database

Problem Display
PID: 236265 (b7/8/8/4K3/5p2/8/3Q2Bp/6k1 w - - 0 1)

Wermelinger, Charles

L'Alsace, 1951

b7/8/8/4K3/5p2/8/3Q2Bp/6k1

#4

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Bh1!
      • threat
        • 2.Qe1#
      • 1...Kf1
        • 2.Kxf4
          • threat
            • 3.Ke3
              • threat
                • 4.Qc1#
                • 4.Qd1#
                • 4.Qf2#
              • 3...Kg1
                • 4.Qc1#
                • 4.Qe1#
                • 4.Qd1#
            • 3.Kg3
              • threat
                • 4.Qd1#
                • 4.Qf2#
              • 3...Kg1
                • 4.Qc1#
                • 4.Qe1#
                • 4.Qd1#
          • 2...Bxh1
            • 3.Ke3
              • threat
                • 4.Qf2#
              • 3...Kg1
                • 4.Qf2#
            • 3.Kg3
              • threat
                • 4.Qd1#
                • 4.Qf2#
              • 3...Kg1
                • 4.Qc1#
                • 4.Qe1#
                • 4.Qd1#
                • 4.Qf2#
          • 2...Bg2
            • 3.Ke3
              • threat
                • 4.Qc1#
                • 4.Qd1#
                • 4.Qf2#
              • 3...Kg1
                • 4.Qxg2#
            • 3.Kg3
              • threat
                • 4.Qd1#
                • 4.Qf2#
              • 3...Kg1
                • 4.Qxg2#
          • 2...Bf3
            • 3.Kxf3
              • 3...Kg1
                • 4.Qc1#
                • 4.Qe1#
                • 4.Qd1#
                • 4.Qg2#
      • 1...Kxh1
        • 2.Qf2
          • threat
            • 3.Qf1#
          • 2...Bg2
            • 3.Qe1+
              • 3...Bf1
                • 4.Qxf1#
      • 1...Bxh1
        • 2.Qe1+
          • 2...Kg2
            • 3.Kxf4
              • 3...Kh3
                • 4.Qg3#

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