MESON Chess Problem Database

Problem Display
PID: 6773 (7k/3p1Kp1/7b/6N1/8/7Q/8/8 w - - 0 1)

Trilling, Anton AC

Magyar Sakkvilag, 1933

7k/3p1Kp1/7b/6N1/8/7Q/8/8

#2

3 + 4

273 Mat Plus 1995
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qc8#
    • 1...d6
      • 2.Qc8#
    • 1...g6
      • 2.Qxh6#
  • Tries
    • 1.Kg6?
      • 1...d5
        • 2.Qc8#
      • 1...d6
        • 2.Qc8#
      • 1...Kg8!
    • 1.Qh1?
      • threat
        • 2.Qa8#
      • 1...g6
        • 2.Qxh6#
      • 1...d5!
    • 1.Qh2?
      • threat
        • 2.Qb8#
      • 1...g6
        • 2.Qxh6#
      • 1...d6!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qc8#
      • 1...Bxg5
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • P(b);OGATE::QAR(A)
    • P(c);N_GUARD::QAR2(A),XB(a)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);OGATE::QAR(A)
      • Refutation
        • K(d);N_SPINB(a),P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • P(c);N_GUARD::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • P(c);N_GUARD::QAR2(A),XB(a)
      • Refutation
        • P(b);
  • Actual
    • Q(A);N_PINB(a),P_PINP(c)
    • Threat
      • QAR(A)
    • Vars
      • B(a);N_GUARD,XS(B)::QAB1(A),XP(c)
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Developed and maintained by Brian Stephenson.
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