MESON Chess Problem Database

Problem Display
PID: 91818 (8/8/5Nn1/K5N1/8/3kp3/1Q6/8 w - - 0 1)

Kauweeb, H

Belga Sakkszovetseg, 1964

8/8/5Nn1/K5N1/8/3kp3/1Q6/8

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2+?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kxc2!
  • Keys
    • 1.Sf3!
      • 1...Kc4
        • 2.Qc2#
      • 1...e2
        • 2.Qb3#
      • 1...Sf4
        • 2.Se5#
      • 1...Sh4
        • 2.Se5#
      • 1...Se5
        • 2.Sxe5#
      • 1...Se7
        • 2.Se5#
      • 1...Sf8
        • 2.Se5#
      • 1...Sh8
        • 2.Se5#

Anticipated by 175090(1902)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
      • S(c);N_GUARD::S(C)
      • S(c);N_GUARD::S(C),XS(c)
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