MESON Chess Problem Database

Problem Display
PID: 2909 (5B2/8/3p1kp1/3PN3/3Q1K2/8/8/8 w - - 0 1)

von Gottschall, Hermann

Source?, 1905

5B2/8/3p1kp1/3PN3/3Q1K2/8/8/8

#2

5 + 3

5501 Chess Cameos 1936

SOLUTION

  • SOUND
  • Tries
    • 1.Kg4?
      • threat
        • 2.Qf4#
      • 1...dxe5
        • 2.Qf2#
      • 1...g5!
    • 1.Qg1?
      • threat
        • 2.Qg5#
        • 2.Qxg6#
      • 1...g5+
        • 2.Qxg5#
      • 1...dxe5+!
  • Keys
    • 1.Qf2!
      • 1...dxe5+
        • 2.Kg4#
      • 1...g5+
        • 2.Ke4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAR2(A)
      • Vars
        • P(a);P_SPINP(a),SBLOCK,XS(D)::QAR(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);CHECK::QAB1(A),XP(c)
      • Refutation
        • P(a);CHECK,XS(D)
  • Actual
    • Q(A);
    • Vars
      • P(a);CHECK,SBLOCK,XS(D)::QAR(A)+K(B)
      • P(c);CHECK,SBLOCK::QAR(A)+K(B)
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