MESON Chess Problem Database

Problem Display
PID: 105804 (8/5K2/2pp4/2k5/Q7/2N5/8/B7 w - - 0 1)

Kichigin, Viktor Vladimirovich

Canadian Chess Chat, 1982

8/5K2/2pp4/2k5/Q7/2N5/8/B7

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sa2?
      • 1...Kd5
        • 2.Qd4#
      • 1...d5
        • 2.Qb4#
      • 1...Kb6!
    • 1.Se4+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kb6!
  • Keys
    • 1.Sd5!
      • 1...Kxd5
        • 2.Qd4#
      • 1...cxd5
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT,XS(B)::QAR1(C)
      • P(b);SBLOCK,XS(B)::B(A)
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