MESON Chess Problem Database

Problem Display
PID: 164660 (2K5/1N3p2/8/1kB5/8/8/Q3P3/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Schach-WW, 1998

2K5/1N3p2/8/1kB5/8/8/Q3P3/8

#2

5 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1+?
      • 1...Ka4
        • 2.Qb4#
      • 1...Kc4
        • 2.Qd3#
      • 1...Ka6
        • 2.Qd3#
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qb3+?
      • 1...Ka6
        • 2.Qa4#
        • 2.Qc4#
        • 2.Qd3#
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qc4+?
      • 1...Kc6
        • 2.Sa5#
        • 2.Sd8#
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Ba7#
      • 1...Kxc4!
  • Keys
    • 1.Qxf7!
      • 1...Ka4
        • 2.Qc4#
      • 1...Ka6
        • 2.Qc4#
      • 1...Kc6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);XP(b)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::QAB(A)
      • K(a);S_FLIGHT::QAB1(A)
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