MESON Chess Problem Database

Problem Display
PID: 231049 (K7/8/8/3Q4/8/3p4/3p4/2NkN3 w - - 0 1)

Svitek, Miroslav

ChessStar, 2010

K7/8/8/3Q4/8/3p4/3p4/2NkN3

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb3+?
      • 1...Kxc1
        • 2.Sxd3#
      • 1...Kxe1!
    • 1.Qf3+?
      • 1...Kxe1
        • 2.Sxd3#
      • 1...Kxc1!
  • Keys
    • 1.Qxd3!
      • 1...Kxc1
        • 2.Qc2#
      • 1...Kxe1
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(A)::S(B),XP(c)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(B)::S(A),XP(c)
      • Refutation
        • K(a);P-FLIGHT,XS(A)
  • Actual
    • Q(C);P_PINP(b),XP(c)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT,XS(A)::QAR1(C)
      • K(a);N_SPINP(b),P-FLIGHT,XS(B)::QAR1(C)
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