MESON Chess Problem Database

Problem Display
PID: 31194 (8/8/5p2/8/B1K5/B3P3/3kpQ2/8 w - - 0 1)

Trcala, Stanislav

Lidove noviny, 1905

8/8/5p2/8/B1K5/B3P3/3kpQ2/8

#2

5 + 3

3437 Stanislav Trcala Sachovy odkaz 1999
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qg2?
      • 1...Ke1
        • 2.Bb4#
      • 1...Kxe3
        • 2.Bc1#
      • 1...f5!
  • Keys
    • 1.Qf5!
      • 1...Ke1
        • 2.Bb4#
      • 1...Kxe3
        • 2.Bc1#
      • 1...e1Q
        • 2.Qd3#
      • 1...e1S
        • 2.Qf2#
      • 1...e1B
        • 2.Qd3#
      • 1...e1R
        • 2.Qd3#

This anticipates 16306(1940), 157903(2011)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::B(B)
        • K(a);N_SPINP(b),S_FLIGHT,XP(C)::B(B)
      • Refutation
        • P(c);
  • Actual
    • Q(A);N_PINP(b)
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT,XP(C)::B(B)
      • P(b);SBLOCK::QAR1(A)
      • P(b);OGATEB::QAR2(A)
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