MESON Chess Problem Database

Problem Display
PID: 181776 (8/1p6/1Q6/1K1kp3/8/2P5/8/4N3 w - - 0 1)

Fraisse, A

La Strategie, 1905

8/1p6/1Q6/1K1kp3/8/2P5/8/4N3

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...e4
        • 2.c4#
      • 1...Ke4!
    • 1.Sf3?
      • 1...e4
        • 2.c4#
      • 1...Ke4!
    • 1.Qg6?
      • 1...b6
        • 2.Qc6#
      • 1...e4!
  • Keys
    • 1.Qf6!
      • 1...Ke4
        • 2.Qf3#
      • 1...e4
        • 2.c4#
      • 1...b6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • P(b);SBLOCK::P(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • P(b);SBLOCK::P(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);N_GUARD::QAB1(D)
      • Refutation
        • P(b);
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • P(b);SBLOCK::P(B)
      • P(c);N_GUARD::QAB1(D)
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