MESON Chess Problem Database

Problem Display
PID: 83323 (8/8/4K3/6p1/8/2k2N2/p7/N6Q w - - 0 1)

Havel, Miroslav

Parallele 50, 1952

8/8/4K3/6p1/8/2k2N2/p7/N6Q

#4

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Qe1+
          • 2...Kb2
            • 3.Sc4#
          • 2...Kd4
            • 3.Sb3#
      • 1...Kb2
        • 2.Qf3
          • threat
            • 3.Sc4+
              • 3...Kxa1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kb1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kc1
                • 4.Qh1#
                • 4.Qf1#
          • 2...Kxa1
            • 3.Sd3
              • threat
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kb1
                • 4.Qd1#
            • 3.Sc4
              • threat
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kb1
                • 4.Qd1#
          • 2...Kb1
            • 3.Sd3
              • threat
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kxa1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
            • 3.Sc4
              • threat
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kxa1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kc1
                • 4.Qh1#
                • 4.Qf1#
          • 2...Kc1
            • 3.Sc4
              • threat
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kb1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
        • 2.Qe4
          • threat
            • 3.Qc2+
              • 3...Kxa1
                • 4.Qc1#
              • 3...Ka3
                • 4.Qb3#
          • 2...Kxa1
            • 3.Sc4
              • 3...g4
                • 4.Qh1#
                • 4.Qe1#
            • 3.Qc2
              • 3...g4
                • 4.Qc1#
          • 2...Ka3
            • 3.Sd3
              • 3...g4
                • 4.Qa8#
                • 4.Qb4#
          • 2...Kc3
            • 3.Qe1+
              • 3...Kb2
                • 4.Sc4#
              • 3...Kd4
                • 4.Sb3#
        • 2.Qc6
          • threat
            • 3.Sd3+
              • 3...Kxa1
                • 4.Qh1#
                • 4.Qc1#
              • 3...Kb1
                • 4.Qh1#
                • 4.Qc1#
              • 3...Ka3
                • 4.Qa8#
                • 4.Qa6#
            • 3.Qc2+
              • 3...Kxa1
                • 4.Qc1#
              • 3...Ka3
                • 4.Qb3#
          • 2...Kb1
            • 3.Qc2+
              • 3...Kxa1
                • 4.Qc1#
            • 3.Sd3
              • threat
                • 4.Qh1#
                • 4.Qc1#
              • 3...Kxa1
                • 4.Qh1#
                • 4.Qc1#
            • 3.Sc4
              • threat
                • 4.Qh1#
              • 3...Kxa1
                • 4.Qh1#
              • 3...Kc1
                • 4.Qh1#
          • 2...Ka3
            • 3.Sd3
              • 3...g4
                • 4.Qa8#
                • 4.Qa6#
            • 3.Qb5
              • 3...g4
                • 4.Sc2#
                • 4.Sc4#
                • 4.Qb3#
        • 2.Qd1
          • threat
            • 3.Qc2+
              • 3...Kxa1
                • 4.Qc1#
              • 3...Ka3
                • 4.Qb3#
          • 2...Kc3
            • 3.Qe1+
              • 3...Kb2
                • 4.Sc4#
              • 3...Kd4
                • 4.Sb3#
        • 2.Qe1
          • threat
            • 3.Sc4#
          • 2...Ka3
            • 3.Sc4+
              • 3...Ka4
                • 4.Qa5#
            • 3.Sd3
              • threat
                • 4.Qb4#
                • 4.Qa5#
              • 3...Ka4
                • 4.Qb4#
      • 1...Kd2
        • 2.Qf3
          • threat
            • 3.Sc4+
              • 3...Kc1
                • 4.Qh1#
                • 4.Qf1#
              • 3...Ke1
                • 4.Sc2#
          • 2...Kc1
            • 3.Sc4
              • threat
                • 4.Qh1#
                • 4.Qf1#
              • 3...Kb1
                • 4.Qd1#
                • 4.Qh1#
                • 4.Qf1#
          • 2...Ke1
            • 3.Sb3
              • threat
                • 4.Sd3#
            • 3.Sc4
              • 3...g4
                • 4.Sc2#
      • 1...Kb4
        • 2.Qc6
          • threat
            • 3.Sd3+
              • 3...Ka3
                • 4.Qa8#
                • 4.Qa6#
              • 3...Ka5
                • 4.Sb3#
          • 2...Ka3
            • 3.Sd3
              • 3...g4
                • 4.Qa8#
                • 4.Qa6#
            • 3.Qb5
              • 3...g4
                • 4.Sc2#
                • 4.Sc4#
                • 4.Qb3#
          • 2...Ka5
            • 3.Sc2
              • threat
                • 4.Sc4#
            • 3.Sd3
              • 3...g4
                • 4.Sb3#
      • 1...Kd4
        • 2.Qg1+
          • 2...Kc3
            • 3.Qe1+
              • 3...Kb2
                • 4.Sc4#
              • 3...Kd4
                • 4.Sb3#
          • 2...Ke4
            • 3.Sc2
              • threat
                • 4.Qe3#
                • 4.Qd4#
                • 4.Qg4#
              • 3...Kf4
                • 4.Qe3#
                • 4.Qg4#

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