MESON Chess Problem Database

Problem Display
PID: 92660 (1K6/8/R3p3/1Q1nk2N/R3P3/p2P4/Pr6/B7 w - - 0 1)

Piatesi, Antonio

Tijdschrift vd KNSB, 1940

1K6/8/R3p3/1Q1nk2N/R3P3/p2P4/Pr6/B7

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxb2+?
      • 1...Sc3
        • 2.Qxc3#
        • 2.Qh2#
        • 2.Qb5#
      • 1...axb2!
  • Keys
    • 1.Qb7!
      • 1...Sb4
        • 2.Qg7#
      • 1...Sb6
        • 2.Qc7#
      • 1...Sc3
        • 2.d4#
      • 1...Se3
        • 2.d4#
      • 1...Sf4
        • 2.d4#
      • 1...Sf6
        • 2.d4#
      • 1...Sc7
        • 2.d4#
      • 1...Se7
        • 2.d4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK,N_PINS(c),N_SPINQ(F),XR(a)
      • Refutation
        • P(b);P_SPINP(b),XQ(F)
  • Actual
    • Q(F);N_PINS(c)
    • Vars
      • S(c);N_PINQ(F)::QAB(F)
      • S(c);N_SPINR(a)::P(C)
      • S(c);::P(C)
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