MESON Chess Problem Database

Problem Display
PID: 219825 (8/8/8/8/8/K1Q5/1p6/1kb5 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1977

8/8/8/8/8/K1Q5/1p6/1kb5

#2

2 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Qxb2#
    • 1...Be3
      • 2.Qxb2#
    • 1...Bf4
      • 2.Qxb2#
    • 1...Bg5
      • 2.Qxb2#
    • 1...Bh6
      • 2.Qxb2#
  • Tries
    • 1.Kb3?
      • 1...Bd2
        • 2.Qxb2#
      • 1...Be3
        • 2.Qxb2#
      • 1...Bf4
        • 2.Qxb2#
      • 1...Bg5
        • 2.Qxb2#
      • 1...Bh6
        • 2.Qxb2#
      • 1...Ka1!
  • Keys
    • 1.Qb3!
      • 1...Ka1
        • 2.Qa2#
      • 1...Bd2
        • 2.Qxb2#
      • 1...Be3
        • 2.Qxb2#
      • 1...Bf4
        • 2.Qxb2#
      • 1...Bg5
        • 2.Qxb2#
      • 1...Bh6
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAR1(B),XP(c)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(b);N_GUARD::QAR1(B),XP(c)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
  • Actual
    • Q(B);P_PINP(c)
    • Vars
      • K(a);N_SPINP(c),P-FLIGHT::QAR1(B)
      • B(b);N_GUARD::QAR1(B),XP(c)
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